High-power power supply management system

Abstract

The utility model relates to a high-power power management system. The high-power power supply management system comprises an input module, a voltage transformation module and an output module, the input module comprises a protection unit and a rectification unit, the protection unit comprises a fuse F1, a thermistor NTC and a common mode inductor LF1, the fuse F1 is electrically connected with the first end of the common mode inductor LF1, the thermistor NTC is electrically connected with the first end of the common mode inductor LF1, and the rectification unit is electrically connected with the first end of the common mode inductor LF1. The second end of the common mode inductor LF1 is electrically connected with the rectifying unit; the voltage transformation module is electrically connected with the rectification unit; and the output module is electrically connected with the voltage transformation module. According to the scheme provided by the invention, the problem of circuit component damage caused by sudden current fluctuation due to insufficient heat dissipation or current fluctuation of a high-power charger can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to charging technical field especially relates to a high power supply management system. BACKGROUND

[0002] TYPE-C as a kind of hardware interface, is widely applied in charging, data transmission.

[0003] In the related art, the traditional high-power charger exists the problem that heat dissipation is insufficient or current fluctuation leads to sudden fluctuation of current, which leads to damage of circuit components, so that the equipment cannot be charged. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the insufficient of prior art, provide a kind of high power supply management system, can solve the problem that high-power charger exists heat dissipation is insufficient or current fluctuation leads to sudden fluctuation of current, which leads to damage of circuit components.

[0005] The utility model aims at overcoming the insufficient of prior art, provide a kind of high power supply management system, can solve the problem that high-power charger exists heat dissipation is insufficient or current fluctuation leads to sudden fluctuation of current, which leads to damage of circuit components.

[0006] The first aspect of the application provides a kind of high power supply management system, comprising: input module, including protection unit and rectifier unit, the protection unit includes fuse F1, thermistor NTC and common mode inductance LF1, the fuse F1 with the first end of the common mode inductance LF1 Electric connection, the thermistor NTC with the first end of the common mode inductance LF1 Electric connection, the second end of the common mode inductance LF1 With the rectifier unit electric connection;Voltage conversion module, the voltage conversion module with the rectifier unit electric connection;Output module, the output module with the voltage conversion module electric connection.

[0007] The rectifier unit includes rectifier BD1, and the rectifier BD1 is electrically connected with the second end of the common mode inductance LF1.

[0008] The rectifier unit further includes capacitor EC2, inductance L2, capacitor EC4 and capacitor EC5, the first end of the capacitor EC2 is electrically connected with the rectifier BD1, the second end of the capacitor EC2 is grounded, the first end of the inductance L2 is electrically connected with the rectifier BD1, the second end of the inductance L2 is respectively electrically connected with the first end of the capacitor EC4 and the first end of the capacitor EC5, the second end of the capacitor EC4 is grounded, and the second end of the capacitor EC5 is grounded.

[0009] The voltage conversion module includes transformer T1B, MOS tube Q5 and MOS tube Q6, the transformer T1B is electrically connected with the second end of the inductance L2, the MOS tube Q5 is electrically connected with the transformer T1B, and the MOS tube Q5 is electrically connected with the MOS tube Q6.

[0010] The voltage conversion module further comprises a capacitor C13 and a sampling resistor RS1, a first end of the capacitor C13 is electrically connected with the MOS tube Q6, and a first end of the sampling resistor RS1 is electrically connected with a second end of the capacitor C13.

[0011] The voltage conversion module further comprises a chip U5, and the chip U5 is electrically connected with the MOS tube Q5.

[0012] The voltage conversion module further comprises a chip U6, a resistor R10, a magnetic bead B2, a MOS tube Q4 and a magnetic bead B1, the chip U6 is electrically connected with a first end of the resistor R10, a second end of the resistor R10 is electrically connected with a first end of the magnetic bead B2, a second end of the magnetic bead B2 is electrically connected with the MOS tube Q4, a first end of the magnetic bead B1 is electrically connected with the MOS tube Q4, and a second end of the magnetic bead B1 is electrically connected with the transformer T1B.

[0013] The output module comprises a MOS tube Q1 and a chip U4, a first end of the MOS tube Q1 is electrically connected with the MOS tube Q5 and the MOS tube Q6 respectively, and a second end of the MOS tube Q1 is electrically connected with the chip U4.

[0014] The output module further comprises a resistor R23 and a resistor R24, and a first end of the resistor R23 and a first end of the resistor R24 are electrically connected with the chip U4.

[0015] The output module further comprises an output port, and the output port is electrically connected with a second end of the resistor R23 and a second end of the resistor R24 respectively.

[0016] Compared with the prior art, the utility model has at least the following advantages:

[0017] Through setting the fuse F1, the thermistor NTC and the common mode inductor LF1, a triple protection mechanism is formed, so that the inrush current can be inhibited, the risk of circuit overheating can be prevented, and the safety and stability of the circuit are improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment.

[0019] Figure 1 It is the function module diagram of high power supply management system in an embodiment of the utility model;

[0020] Figure 2 It is the circuit diagram of high power supply management system in an embodiment of the utility model;

[0021] Figure 3The utility model discloses a circuit diagram of high power power management system in one embodiment. DETAILED DESCRIPTION

[0022] Embodiments of the present application will be described in more detail with reference to the drawings. Although the embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0023] It should be understood that although the terms "first", "second", "third" and the like can be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish the same type of information from each other. For example, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information without departing from the scope of the present application. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0024] Unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection or integral; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The technical solutions of the embodiments of the present application will be described in detail below with reference to the drawings.

[0026] Please refer to Figure 1 and Figure 2 A high-power power management system, comprising: an input module 100, a transformer module 200 and an output module 300, the input module 100 comprising a protection unit and a rectifier unit, the protection unit comprising a fuse F1, a thermistor NTC and a common mode inductor LF1, the fuse F1 being electrically connected with the first end of the common mode inductor LF1, the thermistor NTC being electrically connected with the first end of the common mode inductor LF1, the second end of the common mode inductor LF1 being electrically connected with the rectifier unit; the transformer module 200 being electrically connected with the rectifier unit; the output module 300 being electrically connected with the transformer module.

[0027] It should be noted that the fuse F1 can be when the circuit appears short circuit, overload and other faults caused by excessive current, the fuse body due to heating and melting, thereby cutting off the circuit, prevent other components in the circuit from burning due to overcurrent, avoid causing fire and other safety accidents. The NTC thermistor can be in a high resistance state at the moment of starting the circuit, limiting the inrush current, preventing excessive current from impacting the circuit components. When working normally, the temperature of the thermistor rises, the resistance decreases, and the normal current of the circuit is less affected. In cooperation with the fuse, it can protect against overcurrent at different stages. The common mode inductor LF1 presents high impedance to common mode interference signals, which can effectively suppress common mode interference and keep the signals and power in the circuit stable. It works with the NTC thermistor and fuse F1 to create a low-interference environment for the circuit.

[0028] Therefore, by setting the fuse F1, the NTC thermistor and the common mode inductor LF1, a triple protection mechanism is formed, which can suppress the inrush current and prevent the risk of overheating of the circuit, thereby improving the safety and stability of the circuit.

[0029] Referring to Figure 2 In an embodiment, the rectifying unit includes a rectifier BD1, and the rectifier BD1 is electrically connected with the second end of the common mode inductor LF1.

[0030] It should be noted that the rectifier BD1 is used to rectify alternating current into direct current.

[0031] Referring to Figure 2 In an embodiment, the rectifying unit further includes a capacitor EC2, an inductor L2, a capacitor EC4 and a capacitor EC5, the first end of the capacitor EC2 is electrically connected with the rectifier BD1, the second end of the capacitor EC2 is grounded, the first end of the inductor L2 is electrically connected with the rectifier BD1, the second end of the inductor L2 is respectively electrically connected with the first end of the capacitor EC4 and the first end of the capacitor EC5, the second end of the capacitor EC4 is grounded, and the second end of the capacitor EC5 is grounded.

[0032] It should be noted that the capacitor EC2, the inductor L2, the capacitor EC4 and the capacitor EC5 work together to filter the voltage, making the voltage more smooth.

[0033] Referring to Figure 2 In an embodiment, the voltage conversion module 200 includes a transformer T1B, a MOS tube Q5 and a MOS tube Q6, the transformer T1B is electrically connected with the second end of the inductor L2, the MOS tube Q5 is electrically connected with the transformer T1B, and the MOS tube Q5 is electrically connected with the MOS tube Q6. Specifically, the voltage conversion module 200 further includes a capacitor C13 and a sampling resistor RS1, the first end of the capacitor C13 is electrically connected with the MOS tube Q6, and the first end of the sampling resistor RS1 is electrically connected with the second end of the capacitor C13.

[0034] It should be noted that the MOS tube Q5 is designed in parallel with the MOS tube Q6, cooperates with the high-precision sampling resistor RS1, and improves the current carrying capacity and response speed.

[0035] Please refer to Figure 2 In an embodiment, the voltage conversion module 200 further comprises a chip U5, and the chip U5 is electrically connected with the MOS tube Q5.

[0036] It should be noted that the chip U5 is a PWM chip.

[0037] Please refer to Figure 2 In an embodiment, the voltage conversion module 200 further comprises a chip U6, a resistor R10, a magnetic bead B2, a MOS tube Q4 and a magnetic bead B1, the chip U6 is electrically connected with the first end of the resistor R10, the second end of the resistor R10 is electrically connected with the first end of the magnetic bead B2, the second end of the magnetic bead B2 is electrically connected with the MOS tube Q4, the first end of the magnetic bead B1 is electrically connected with the MOS tube Q4, and the second end of the magnetic bead B1 is electrically connected with the transformer T1B.

[0038] It should be noted that the chip U6 is also a PWM chip, the resistor R10 is a current limiting resistor, and the magnetic bead B2 and the magnetic bead B1 are used to suppress high-frequency noise and peak interference, and also have the ability to absorb static pulse.

[0039] Please refer to Figure 3 In an embodiment, the output module 300 comprises a MOS tube Q1 and a chip U4, the first end of the MOS tube Q1 is electrically connected with the MOS tube Q5 and the MOS tube Q6 respectively, and the second end of the MOS tube Q1 is electrically connected with the chip U4.

[0040] It should be noted that the chip U4 is a master control chip, and the model can be IP2723TH, which integrates PD / QC fast charging protocol.

[0041] Please refer to Figure 3 In an embodiment, the output module 300 further comprises a resistor R23 and a resistor R24, the first end of the resistor R23 and the first end of the resistor R24 are electrically connected with the chip U4. Specifically, the output module further comprises an output port, and the output port is electrically connected with the second end of the resistor R23 and the second end of the resistor R24 respectively.

[0042] It should be noted that the resistor R23 and the resistor R24 are matching resistors of the output port, which can ensure the protocol compatibility and data transmission stability.

[0043] The circuit principle of the present application is described as follows:

[0044] First, the external input 100V to 240V AC voltage, through the fuse F1, thermistor NTC, common mode inductance LF1 to rectifier BD1 rectification into DC voltage. Then by the capacitor EC2, inductance L2, capacitor EC4 and capacitor EC5 filter DC voltage, output 150V ~ 300V DC voltage.

[0045] Then the chip U6 drive MOS tube Q4, so that the transformer T1B generates 30KHZ ~ 100KHZ high frequency pulse. At the same time, the transformer T1B will produce low voltage AC, through the diode D2 rectification to 8V-40V DC voltage, through the capacitor EC1 filter, output to the chip U6 VCC pin to power supply.

[0046] Then the transformer T1B induction generates low voltage AC voltage, through the chip U5 drive MOS tube Q5 and MOS tube Q6 rectification, and then through the capacitor EC3 filter output smooth low voltage DC voltage to the chip U4 and MOS tube Q1, finally through the output port to the device charging.

[0047] The scheme of the present application has been described in detail above with reference to the drawings. In the above examples, the description of each example is focused on, and the parts not described in detail in a certain example can be referred to the relevant description of other examples. It should also be known by those skilled in the art that the actions and modules involved in the specification are not necessarily required by the present application. In addition, it can be understood that the steps in the method of the embodiments of the present application can be adjusted, combined and reduced in sequence according to actual needs, and the modules in the device of the embodiments of the present application can be combined, divided and reduced according to actual needs.

[0048] The above has described various embodiments of the present application, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The choice of terms used herein is intended to best explain the principles, practical application or improvement of technology in the market of the embodiments, or to enable other ordinary skilled in the art to understand the embodiments disclosed herein.

Claims

1. A high power power management system, characterized by, The application relates to a power supply device, which comprises an input module, a voltage transformation module and an output module. The input module comprises a protection unit and a rectification unit, the protection unit comprises a fuse F1, a thermistor NTC and a common mode inductor LF1, the fuse F1 is electrically connected with the first end of the common mode inductor LF1, the thermistor NTC is electrically connected with the first end of the common mode inductor LF1, and the second end of the common mode inductor LF1 is electrically connected with the rectification unit. The voltage transformation module is electrically connected with the rectification unit. The rectification unit comprises a rectifier BD1, which is electrically connected with the second end of the common mode inductor LF1.

2. The high power management system of claim 1, wherein, The rectification unit further comprises a capacitor EC2, an inductor L2, a capacitor EC4 and a capacitor EC5, the first end of the capacitor EC2 is electrically connected with the rectifier BD1, the second end of the capacitor EC2 is grounded, the first end of the inductor L2 is electrically connected with the rectifier BD1, the second end of the inductor L2 is respectively electrically connected with the first end of the capacitor EC4 and the first end of the capacitor EC5, the second end of the capacitor EC4 is grounded, and the second end of the capacitor EC5 is grounded.

3. The high power management system of claim 2, wherein, The voltage transformation module comprises a transformer T1B, a MOS tube Q5 and a MOS tube Q6, the transformer T1B is electrically connected with the second end of the inductor L2, the MOS tube Q5 is electrically connected with the transformer T1B, and the MOS tube Q5 is electrically connected with the MOS tube Q6.

4. The high power management system of claim 3, wherein, The voltage transformation module further comprises a capacitor C13 and a sampling resistor RS1, the first end of the capacitor C13 is electrically connected with the MOS tube Q6, and the first end of the sampling resistor RS1 is electrically connected with the second end of the capacitor C13.

5. The high power management system of claim 4, wherein, The voltage transformation module further comprises a chip U5, which is electrically connected with the MOS tube Q5.

6. The high power management system of claim 4, wherein, The voltage transformation module further comprises a chip U6, a resistor R10, a magnetic bead B2, a MOS tube Q4 and a magnetic bead B1, the chip U6 is electrically connected with the first end of the resistor R10, the second end of the resistor R10 is electrically connected with the first end of the magnetic bead B2, the second end of the magnetic bead B2 is electrically connected with the MOS tube Q4, the first end of the magnetic bead B1 is electrically connected with the MOS tube Q4, and the second end of the magnetic bead B1 is electrically connected with the transformer T1B.

7. The high power management system of claim 4, wherein, The output module comprises a MOS tube Q1 and a chip U4, the first end of the MOS tube Q1 is respectively electrically connected with the MOS tube Q5 and the MOS tube Q6, and the second end of the MOS tube Q1 is electrically connected with the chip U4.

8. The high power management system of claim 7, wherein, The output module further comprises a resistor R23 and a resistor R24, the first end of the resistor R23 and the first end of the resistor R24 are both electrically connected with the chip U4.

9. The high power management system of claim 8, wherein, The output module further comprises an output port, which is respectively electrically connected with the second end of the resistor R23 and the second end of the resistor R24.

10. The high power management system of claim 9, wherein, ​

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