Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

340 results about "Pogo pin" patented technology

A pogo pin or spring-loaded pin is a type of electrical connector mechanism that is used in many modern electronic applications and in the electronics testing industry. They are used for their improved durability over other electrical contacts, and the resilience of their electrical connection to mechanical shock and vibration.

Pogo pin and test socket including the same

A lower plunger of a pogo pin according to the present disclosure includes a metal pin and an electro-conductive rubber, and the electro-conductive rubber having a configuration in which a plurality of electro-conductive particles are contained in an elastic insulating material is attached to a lower end of the metal pin to increase a contact area between the lower plunger and a pad of a test board through a surface contact, thereby preventing the occurrence of inductive spikes and thus improving signal quality in a high-speed signal transmission environment.
Owner:TSE CO LTD

Connector with in-place plugging detection function

The invention discloses a connector with an in-place plugging detection function. The connector comprises a plug and a socket, the plug comprises a plug shell assembly, a pin base assembly and a clamping ring; the needle base assembly is composed of an upper needle base, a lower needle base, an interface sealing gasket, a contact pin and a detection lifting pin; the socket comprises a socket shell, a hole base assembly, a sealing ring and a clamping ring; the hole base assembly is composed of an upper hole base, a lower hole base, a jack assembly, an adapter pin and a spring needle. When the plug and the socket are not plugged, the device can detect that the plug and the socket are in a non-plugging state through a loop connected by the jack assembly and the spring needle; when the plug and the socket are plugged in place, equipment can detect that the plug is in place by detecting a loop connected between the lifting pin and the spring needle, so as to detect the plugging state of the connector. And based on a shell structure of a GJB599B series III, the high-voltage switch cabinet has higher salt mist resistance, strong vibration resistance, water resistance, moisture resistance, dust resistance and the like.
Owner:GUIZHOU ZHENHUA HUALIAN ELECTRONICS

Connector

Provided is a connector. The connector is configured to electrically connect a docking element to a circuit board. The connector includes an insulation body, a pogo pin, a clip, a hook member, and a metal casing. The insulation body includes a base and a plug-in portion disposed at one end of the base. The plug-in portion is provided with a slot for accommodating the docking element. The pogo pin is disposed on the insulation body, where one end of the pogo pin is accommodated in the slot, and another end of the pogo pin is exposed outside the base. The clip is disposed on the plug-in portion, and part of the clip extends into the slot to abut the docking element.
Owner:BOZHOU LIAN TAO ELECTRONICS

Modular robot assembling and repairing system based on cooperation of multiple mechanical arms

The invention discloses a modular robot assembling and repairing system based on cooperation of multiple mechanical arms, and the system comprises a modular robot subsystem which integrates a fault sensing module, a butt joint and communication module, a task execution module and a charging and power supply module, and each modular robot is equipped with a starting self-inspection mechanism and supports various peripheral extensions; a robot assembly is formed through butt joint of magnetic attraction type spring needle connectors; the multi-mechanical-arm cooperation subsystem adopts an offline-online double-layer planning framework and introduces a pairwise coordination and global coordination mechanism for a multi-mechanical-arm scene; and the central monitoring and diagnosis subsystem is used for carrying out environment modeling and mechanical arm planning calculation in real time and providing visual monitoring, service life prediction and fault diagnosis functions. The technical bottlenecks that a traditional modular robot system is insufficient in autonomy, single in function, weak in fault sensing capacity and long in fault recovery time are broken through, and the autonomous operation capacity of the robot in the extreme environment is effectively improved.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Special safety plug and socket for charging and discharging of new energy automobile

The invention discloses a safety plug and socket special for charging and discharging of a new energy automobile, which comprises a charging gun plug, the charging gun plug is respectively provided with a three-pin insertion piece I and two cylindrical grooves, and probes are fixed in the cylindrical grooves; a slot matched with the charging gun plug is formed in one side of the conversion plug, the charging gun plug is connected with the slot in a pluggable mode, a three-pin jack matched with the first three-pin insertion piece and two protruding columns connected with the two cylindrical grooves in a pluggable mode one by one are arranged in the slot, spring needles are fixed in the protruding columns, and the spring needles are connected with the two cylindrical grooves in a pluggable mode. The other side corresponding to the conversion plug is an external plugging area, a resistor and ground wire hardware are fixed in the conversion plug, two ends of the ground wire hardware are respectively in one-to-one correspondence with the ground wire hole site on the three-pin jack and the external plugging area, one end of the spring needle is in contact conduction with the corresponding probe, and the other end of the spring needle is electrically connected with the ground wire hardware through the resistor. The device has the beneficial effect that the purpose of improving the use convenience is achieved.
Owner:HANGZHOU DONGCHAN TEMPERATURE CONTROL EQUIP CO LTD

Shielding pogo pin assembly

The utility model discloses a shielding pogo pin assembly which comprises a plastic support and further comprises a sliding groove body which is linearly distributed at the lower end of the interior of the plastic support, a second sliding groove body which is linearly distributed at the upper end of the interior of the plastic support, and a shielding needle head which is slidably arranged in the second sliding groove body in a sleeved mode. The shielding pin head is arranged in the first sliding groove body in a sliding and penetrating mode, the top of the shielding pin head extends towards the outer portion of the plastic support, and the connecting assembly is arranged in the shielding pin head in a sliding and penetrating mode. The spring can exert force to enable the conductive bead to jack up the connecting needle head to be in close contact with an equipment connecting point, so that a stable current and signal transmission path is formed, the top of the shielding needle head adopts a riveting opening closing design, the shielding needle head is additionally arranged to meet the design requirement that a riveting opening is hidden in a product, and then the waterproof and dustproof performance is better.
Owner:SHENZHEN AMOS SCI & TECH CO LTD

Optical chip test assembly

The invention discloses an optical chip test assembly. The optical chip test assembly comprises a substrate and an optical chip fixed on the substrate, the bearing platform is arranged on the substrate; the metal cover plate covers the optical chip; when a test is carried out, the pressure-bearing table and the metal cover plate bear pressure together, so that the substrate pushes the ejector pin on the PCB test board back, and the substrate is electrically connected with the PCB test board. According to the invention, the pressure bearing platform is arranged on the substrate and is used for bearing the downward pressure, so that the optical chip is protected under the condition of ensuring the successful electric connection with the PCB test board. Meanwhile, the optical chip is also provided with the metal cover plate, and when the optical chip is pressed, the metal cover plate bears pressure at the same time, thereby solving the problem of non-uniform stress.
Owner:LIGHT-BASED INTELLIGENT TECHNOLOGY (SHANGHAI) CO LTD

System and method for high-density electromyographic signal synchronous acquisition

The present disclosure relates to the field of signal acquisition, and in particular, to a system and method for high-density electromyographic signal synchronous acquisition. In the system, a signal acquisition module and a base station are electrically connected via a pogo pin connector and are mechanically connected via an electromagnetic lock. The pogo pin connector comprises various communication protocols and functional ports and supports various synchronous operations. Module charging, data export, state reading, parameter configuration, firmware upgrading, time synchronization, and other functions can be completed by simply inserting the module into the base station, featuring ease to use and compactness. The electromagnetic lock locks the module inserted into the base station to ensure reliable communication between the module and the base station and the safety and integrity of data files. The method is automatically implemented in the condition that the module is inserted into the base station, so as to ensure the real-time synchronization of all modules inserted in the base station with the base station. The electromyographic signal acquisition process does not depend on wireless networks or limit the scene of use to areas with network coverage, thus reducing the wireless connection power consumption, increasing the cost-efficiency, and greatly improving the synchronization reliability.
Owner:ONESENSE MEDICAL TECHNOLOGY (SUZHOU) CO LTD

Modular peripheral display assembly sustainable power board architecture

An information handling system peripheral display presents visual images with a display panel. A timing controller board has an edge connector that interfaces with a scalar board edge connector when the scalar board couples with slots at posts of the back side. The scalar board couples display cable ports to accept display information from an information handling system and extends the display cable ports out of openings of the midplane. The scalar board communicates visual information to the adjacent timing controller board through the edge connector without the use of a cable. A power board couples with posts and slots adjacent the scalar board to engage a power connector with power pins into a socket of the power board. Power communicates from the power board through the scalar board to the timing controller board and then to a backlight through a pogo pin and contact pad interface.
Owner:DELL PROD LP

Microphone transmitter, microphone receiver, and microphone

The present application relates to the technical field of microphones, and discloses a microphone transmitter, mainly comprising an upper cover, a lower cover, a battery, a PCB, a microphone capsule assembly, a pogo pin, an antenna, and a button. The battery, the PCB, and the antenna are sequentially assembled and fixed in a preset direction to ultimately form an integral, compact transmitter. In addition, the connection between the upper cover and the lower cover is configured as a snap-fit connection. A first positioning post is provided on the lower cover and a corresponding positioning sleeve is provided on the upper cover; by means of snap-fit engagement between the first positioning post and the positioning sleeve, assembly of the entire housing is facilitated, replacing a screw-fastened connection and reducing the overall volume of the microphone transmitter.
Owner:GUANGDONG DINGCHUANG SMART MANUFACTURING CO LTD

thermostat

Described herein is a thermostat that comprises a plurality of pogo pins operatively connected to a plurality of terminal tabs associated with a terminal block assembly of the thermostat. The terminal block assembly is configured in / on a mounting bracket associated with the thermostat, such that a tip of the pogo pins extends at least partially outside from a front side of the mounting bracket. The thermostat further comprises a control unit comprising a printed circuit board that comprises a plurality of electrical pads, wherein the PCB is configured within a housing that is adapted to be removably fitted on the front side of the mounting bracket, wherein the pogo pins are configured to align and engage with the electrical pads of the PCB, upon fitment of the housing on the mounting bracket. to operatively connect the electrical pads of the PCB to the terminal tabs of the terminal block assembly.
Owner:CARRIER CORP

CIS wafer test probe card

The invention discloses a CIS wafer test probe card which comprises a PCB, a main frame used for fixing the PCB, an installation plate fixedly installed on the back face of the PCB, a lens module substrate fixed to the installation plate, an adapter plate installed on the front face of the PCB and a ceramic substrate fixedly installed on the front face of the adapter plate. A plurality of lens modules are fixedly mounted on the lens module substrate, the mounting plate, the PCB, the adapter plate and the ceramic substrate are all provided with lens mounting holes allowing lens bodies to penetrate through, and a plurality of spring needles electrically connected with the ceramic substrate and the PCB are arranged in the adapter plate. And a plurality of cantilever probes are arranged on the front surface of the ceramic substrate.
Owner:MAXONE SEMICON CO LTD

Production and assembly equipment for plastic parts

PendingCN120792173AHot meltTransfer line
The invention discloses production and assembly equipment for plastic parts. The production and assembly equipment comprises a main conveying line, a rack, a material taking and turning-over module, a positioning jig module, a heating and conveying module, a hot melting and embedding module, a transplanting module, a material discharging module, a pre-placing module and a hot pressing module. The device has the following beneficial effects that 1, manual copper nut and Pogo Pin placing can be replaced, and manual participation is not needed; and 2, the efficiency of hot melting the copper nut and implanting the PoGoPin is improved, and meanwhile, the crushing damage of the PoGoPin is also avoided. And 3, due to the integrated scheme design, the transfer time is shortened, and the system is more intelligent.
Owner:BANSHING PLASTICS PROD SHANGHAI CO LTD

Pogo pin cooling system and electronic device testing apparatus having the system

The present invention relates to a pogo pin cooling system and a pogo pin cooling method and an electronic device testing apparatus having the system. The system uses a cooling fluid supply module for the cooling of the pogo pin, and the cooling fluid may be either a coolant or a cooling gas. When an electronic device is accommodated in the chip socket, the cooling fluid supply module supplies a cooling fluid into the chip socket through the cooling fluid supply channel and the inlet, and the cooling fluid passes through the pogo pins and then flows into the cooling fluid discharge channel through the outlet. In the present invention, the cooling fluid is mainly used to cool not only the pogo pins in the chip socket but also the bottom surface of the electronic device and the solder ball contacts on the bottom surface.
Owner:CHROMA ATE INC

Identification method of shared mobile power supply and shared charging cabinet

The invention relates to an identification method of a shared mobile power supply and a shared charging cabinet, and the method comprises the steps: carrying out the near-field communication tag scanning of the tops and bottoms of all charging bins through a near-field communication antenna, storing the scanned identification data in the at least one target near field communication tag to the corresponding double buffer areas; wherein the target near field communication tag is a built-in near field communication tag of the newly stored shared mobile power supply; and de-duplicating the identification data in all the double buffer areas, and reporting the de-duplicated identification data to a server so as to identify a near field communication tag built in the newly stored shared mobile power supply. Different shared mobile power supplies can be identified on the basis of NFC communication under the condition that multiple shared mobile power supplies shielding POGO PINs are returned at the same time, so that accurate identification of the shared mobile power supplies can be successfully realized on the basis of NFC communication.
Owner:HANGZHOU XPOWER TECH CO LTD

Composite spring type connector for battery pack

The invention discloses a composite spring type connector for a battery pack. The composite spring type connector comprises a base, a main body part arranged in a mounting groove of the base, an elastic sheet, a conductive sheet, a spring needle and an outer spring, the elastic sheet comprises an upper end portion, a lower end portion and a bending elastic portion. The lower end of the spring needle acts on the main body part; the upper end of the outer spring acts on the upper end of the elastic piece. The upper end portion of the elastic sheet abuts against the inner wall of the base, so that the spring needle and the outer spring are compressed, and downward forward contact force larger than 10 N is provided for the conductive sheet together. Through a composite elastic structure of the elastic piece, the spring needle and the outer spring, multi-stage elastic force is gathered to form huge positive force, the problems that a traditional elastic piece connector is insufficient in positive force and poor in connection reliability and vibration resistance are thoroughly solved, and the elastic piece connector is particularly suitable for a power battery pack with extremely high requirements for connection safety and stability.
Owner:GUANGDONG SHENGLAN ELECTRONIC TECH CO LTD

Combined structure of main body energy storage battery and expansion piece

The utility model relates to a combined structure of a main body energy storage battery and an expansion piece. The combined structure comprises an energy storage main body, at least one mounting groove is formed in the energy storage main body; an expansion module is detachably arranged in the mounting groove; at least one self-locking buckle is arranged in the mounting groove; a clamping hook matched with the self-locking buckle is arranged on the expansion module; a jacking assembly which is matched with the mounting groove and is used for jacking the expansion module to protrude out of the mounting groove after the expansion module is unlocked is arranged on the expansion module; a plurality of spring needles are arranged at the bottom of the expansion module; and a contact matched with the spring needle is arranged in the mounting groove so as to realize electric connection between the expansion module and the energy storage main body. The energy storage main body retains the most basic function, the size and the weight of the energy storage main body are reduced, and the energy storage main body is convenient to carry; after the expansion module is assembled on the energy storage power supply main body, a complete product is formed through combination and is stable and firm; the expansion module and the energy storage power supply main body can be quickly disassembled; the expansion module can be designed in a diversified mode according to market requirements.
Owner:XIAMEN NIANYU TECH CO LTD

Glasses

The embodiment of the utility model discloses a pair of glasses, and relates to the technical field of glasses. The glasses comprise glasses legs, the surfaces of which are attached with sensors through nano-silver paste; the sensor is attached to the surface of the mirror frame through the nano-silver paste; and the spring needle connectors are arranged at the joints of the glasses legs and the glasses frame and are used for connecting the pins on the glasses legs and the pins on the glasses frame. Therefore, according to the scheme, the sensors can be arranged on the glasses legs and the glasses frame, and good contact is realized through the spring needle connectors.
Owner:FALCON INNOVATIONS TECH (SHENZHEN) CO LTD

TO-254AA metal packaging insulation resistance testing device and method

The invention belongs to the field of insulation resistance testing, and relates to a TO-254AA metal packaging insulation resistance testing device and method. The device lead jacks on the jig base are used for insertion connection of the leading-out ends of the devices, and the device lead jacks provide necessary electrical connection points for testing. And the three-end leading-out end is used for an external circuit to carry out resistance test. During testing, the moving end of the needle planting plate is pushed, the elastic part is compressed through the moving end of the needle planting plate, and the device shell is arranged on the jig base, so that the leading-out end of the device can be conveniently arranged in the device lead jack in a penetrating manner. The moving end of the needle planting plate is released, and the elastic component pushes the moving end of the needle planting plate, so that the spring needles are in close contact with the surface of the device shell, and the insulation resistance test of the device shell is realized. Through the arrangement of the elastic component, the problem of excessive extrusion or insufficient contact between the spring needle and the device shell is avoided, the contact stability of the spring needle and the device shell is ensured, and meanwhile, the spring needle is prevented from scratching the device shell during detection.
Owner:XIAN MICROELECTRONICS TECH INST

Electronic cigarette atomizer

An electronic cigarette atomizer includes a housing body, a mouthpiece, and a base. A battery bin and a cigarette cartridge bin are disposed in the housing body. A battery is detachably disposed in the battery bin. A first opening communicating with the battery bin and the cigarette cartridge bin is defined at a first end of the housing body. A second opening communicating with the cigarette cartridge bin is defined at a second end of the housing body. The mouthpiece communicating with the second opening is detachably disposed at one end, close to the second opening, of the housing body. A printed circuit board (PCB) is disposed in the base. A pogo pin is connected to the PCB. A mounting hole is further defined on the base. The mounting hole is configured to detachably mount a cigarette cartridge. An air inlet hole is further defined on the base.
Owner:SHENZHEN IMPETUS TECH CO LTD

Portable fan with detachable storage battery

The utility model provides a portable fan with a detachable storage battery, which comprises a handheld shell and a fan main body, the handheld shell is provided with the storage battery, and the top end of the handheld shell is provided with a connecting groove; a connecting base is arranged at the bottom end of the fan body and slidably mounted in the connecting groove, two spring needles are arranged at the other end of the connecting groove, and copper sheets correspondingly making contact with the spring needles are arranged on one side of the connecting base. A control main board is installed in the handheld shell, and a plurality of sets of sockets used for discharging outwards are arranged on one side of the control main board. The handheld shell and the fan body are arranged, under the sliding fit of the connecting groove of the handheld shell and the connecting base of the fan body, detachable assembly of the handheld shell and the fan body is achieved, a user can rapidly complete disassembly and assembly without tools, and the storage portability and maintenance convenience of equipment are remarkably improved; after the connecting base slides to a preset position, circuit connection is automatically completed, contact is tight, and electric conduction is stable.
Owner:SHENZHEN IMMANUEL TECHNOLOGY CO LTD

A planar POGO PIN female connector

The application provides a flat POGO PIN female head connector, which comprises a stainless steel back shell, a plastic front cover and a plastic upper cover arranged at the lower end and the upper end of the front side of the stainless steel back shell respectively, three upper stretch terminals equidistantly arranged on the plastic upper cover, three lower stretch terminals equidistantly arranged on the plastic front cover, and a plastic body integrally injection molded on the upper stretch terminals and the lower stretch terminals; the surface of the upper stretch terminals is sequentially plated with a nickel base layer, a palladium-nickel alloy layer and a gold layer, the surface of the contact area of the lower stretch terminals is sequentially plated with a nickel base layer, a gold layer, a platinum alloy layer, a palladium-nickel alloy layer and a platinum alloy layer to form an anti-electrolytic corrosion plating layer; the end of the upper stretch terminal is provided with a cantilever, and the ends of the three cantilevers are stacked and riveted with a flat plate part; and the front side of the plastic front cover is a flat surface. The flat POGO PIN female head connector realizes quick mutual matching, high-reliability power supply and signal transmission.
Owner:ZHENGDE CONNECTOR DONGGUAN

Quick and convenient burning device

The utility model discloses a quick and convenient burning device, which relates to the technical field of electronic products and comprises a box body, adapter plates are fixedly mounted at two ends of the front surface of the box body, and an off-line downloader is fixedly mounted at one end of the front surface of the box body and positioned below the adapter plate at the corresponding position. According to the utility model, the offline downloader is arranged on the front surface of the box body, the pressing mechanism and the control mechanism are arranged above the box body, a plurality of structures such as the pressing plate, the upper positioning plate, the bottom plate and the lower positioning plate in the pressing mechanism are combined, and the structures are matched with one another, so that the box body is more stable and reliable. Meanwhile, due to the design of spring needles in the upper positioning plate and slot positions of different models on the lower positioning plate, a plurality of programming programs can be downloaded in the off-line programming device, corresponding programs can be selected as required, then the programming device is connected to the programming tool, a programming mainboard is placed in the corresponding lower positioning plate, and the programming program can be downloaded in the off-line programming device. And multiple programming is carried out at a time.
Owner:JIANGSU YIGE BIOTECHNOLOGY CO LTD

A combined shear-resistivity testing device and method for soil-rock mixed fill material

This invention discloses a combined shear-resistivity testing device and method for soil-rock mixed fillers, belonging to the field of geotechnical engineering testing technology. It addresses the shortcomings of existing combined testing methods, such as unstable contact resistance, fluctuating electrical signals, and asynchronous data. The device includes a direct shear test, resistivity test, and data acquisition and control system. The shear test chamber has a multi-layered composite structure integrated electrode embedded in its inner wall, coupled with an array of spring needles, and features a stress-driven electrical connection and hardware synchronous triggering structure. The method completes the test through steps including sample preparation, system initialization, stress-driven electrical connection establishment, and synchronous triggering of the combined test. This invention achieves synchronous and accurate acquisition of shear mechanics and resistivity data, enabling real-time non-destructive characterization of the internal structural damage evolution of the sample, significantly improving testing accuracy and stability, and providing reliable technical support for the mechanical research and engineering applications of soil-rock mixed fillers.
Owner:THE SECOND ENG COMPANY OF CCCC FOURTH HARBOR ENG +1

High-fault-tolerance spring type contact interface

The utility model relates to a high fault tolerance spring type contact interface, which is used for electrical contact arranged on a circuit board, the contact interface structure comprises a group of spring needles, a mother board, a group of adapter plates and a test board, the spring needles are welded on the mother board to form a spring needle group, needle heads with the diameter of 0.9 mm are used, and the stroke is 2mm; the adapter plate is manufactured by processing a PCB (printed circuit board), two 4.25 mm * 6.6 mm gold-plated contact surfaces are arranged on the adapter plate, the distance between the two 4.25 mm * 6.6 mm gold-plated contact surfaces is 10.16 mm, each contact surface is provided with four welding points, and the two contact surfaces are finally welded on the user board. The high-fault-tolerance spring type contact interface is simple in structure and easy and accurate in butt joint; high operability is achieved, and the allowable dislocation range is large; the electrical connection capability is strong and the stability is good; installation is convenient, maintenance is simple, and working reliability is high.
Owner:BEIJING HANCHEN TECO TECH CO LTD

Display device and operating method thereof

A display device according to an embodiment of the present disclosure may comprise a stand and a head supported by the stand, including a display and a battery, wherein the head is electrically connected through a pogo pin provided in a connector of the stand, wherein the head further comprises a main board configured to obtain an operating state of the head and an input voltage input to the head through the pogo pin, and determine whether an error has occurred in the pogo pin based on the operating state of the head and the input voltage.
Owner:LG ELECTRONICS INC

Power supply system for vaping devices

PCT designated stage expiredWO2024243370A3TobaccoElectrical batteryStructural engineering
This disclosure relates generally to vaping devices and power supply systems for vaping devices. A battery deck system for a vaping device can include a housing having a proximal end and a distal end, and at least one battery contained within the housing. The battery deck system may also include at least one threaded connection in the proximal end of the housing for receiving an oil tank having a threaded connection. Further, the battery deck system may include a plurality of pogo targets and / or anode(s) in the proximal end of the housing for receiving an oil tank having a plurality of pogo pins. The battery deck system may additionally include a control module for controlling an operational function of the at least one battery.
Owner:NEXT LEVEL VENTURES LLC

Multipath bidirectional current-limiting protection circuit and method

The invention relates to the technical field of integrated circuit testing, and particularly discloses a multipath bidirectional current-limiting protection circuit and method, and the protection circuit comprises a current path which comprises a first NMOS power tube, a first resistor, a second resistor and a second NMOS power tube which are electrically connected in sequence; and the sampling control unit comprises a first NPN tube, a second NPN tube and a plurality of control resistors, and is used for sampling the total voltage of the first resistor and the second resistor, adjusting the grid voltages of the first NMOS power tube and the second NMOS power tube based on the sampled total voltage value, and limiting the current of the current path. The total voltage of the first resistor and the second resistor is sampled through the first NPN tube, the second NPN tube and the plurality of control resistors, and the grid voltage of the first NMOS power tube and the grid voltage of the second NMOS power tube are adjusted based on the sampled total voltage value, so that the first NMOS power tube and the second NMOS power tube both work in a saturation region, the current of a current path is limited, and the voltage of the first NMOS power tube and the second NMOS power tube is reduced. Therefore, the probe and the spring needle on the test hardware are effectively protected.
Owner:苏州领慧立芯科技有限公司