Current amplification circuit based on digital lamp IC

Abstract

The utility model discloses a current amplification circuit based on a digital lamp IC. The current amplification circuit comprises a three-channel LED drive control circuit and a lamp bead current amplification circuit. The three-channel LED drive control circuit comprises a chip IC1 and a connector J1, a pin 5 of the chip IC1 is electrically connected with one end of a resistor R5, the other end of the resistor R5 is electrically connected with a pin 1 of the connector J1, a pin 6 of the chip IC1 is electrically connected with one end of a resistor R4, and the other end of the resistor R4 is electrically connected with a pin 2 of the connector J1. The lamp bead current amplification circuit comprises a triode Q4, a triode Q5 and a triode Q6. The utility model relates to the technical field of current amplification circuits, in particular to a current amplification circuit based on a digital lamp IC. The technical problem to be solved by the utility model is to provide the current amplification circuit based on the digital lamp IC, which is favorable for providing larger current for the LED lamp bead and realizing the normal work of the LED lamp bead.

Description

Technical Field

[0001] The utility model relates to the technical field of current amplification circuits, and specifically relates to a current amplification circuit based on a digital lamp IC. Background Technique

[0002] Light-emitting diode lamps, also known as LED lamps, refer to devices that can transmit, distribute, and change the light distribution of LED light sources, including all zero and component parts required for fixing and protecting the LED light source except the LED light source, as well as the line accessories necessary for connecting to the power supply. Light-emitting diode lamps are becoming the main products in the new generation lighting market with their technical characteristics such as high efficiency, energy saving, safety, long life, small size, and clear light, and strongly driving the high-speed development of the environmental protection and energy-saving industry.

[0003] With the rapid development of the LED lamp industry, more and more LED products have entered people's lives. Especially in recent years, the rapid development of WLED digital lamps has enriched people's production and living needs. Here, WLED digital lamps refer to digital lamps controlled by WIFI signals. Since the maximum output current of the chip of WLED digital lamps is about 40MA (such as the UCS2903 chip), and the current of the LED lamp bead is 150MA, the UCS2903 chip cannot normally provide a relatively large current for the LED lamp bead at this time, and the LED lamp bead cannot work normally. To solve the above problems, the present utility model discloses a current amplification circuit based on a digital lamp IC. Content of the Utility Model

[0004] The technical problem to be solved by the present utility model is to provide a current amplification circuit based on a digital lamp IC, which is beneficial to providing a relatively large current for the LED lamp bead and realizing the normal operation of the LED lamp bead.

[0005] The present utility model adopts the following technical solutions to achieve the utility model purpose:

[0006] A current amplification circuit based on a digital lamp IC, characterized in that it includes: a three-channel LED drive control circuit and a lamp bead current amplification circuit; the three-channel LED drive control circuit includes a chip IC1 and a connector J1, a pin 5 of the chip IC1 is electrically connected to one end of a resistor R5, the other end of the resistor R5 is electrically connected to a pin 1 of the connector J1, a pin 6 of the chip IC1 is electrically connected to one end of a resistor R4, and the other end of the resistor R4 is electrically connected to a pin 2 of the connector J1; the lamp bead current amplification circuit includes a triode Q4, a triode Q5 and a triode Q6, a pin 1 of the triode Q4 is electrically connected to one end of a resistor R9 and a pin 3 of the chip IC1, a pin 2 of the triode Q4 is electrically connected to one end of a resistor R6 and a pin 1 of a triode Q1, a pin 3 of the triode Q1 and a pin 3 of the triode Q4 are respectively grounded, a pin 1 of the triode Q5 is electrically connected to one end of a resistor R10 and a pin 2 of the chip IC1, a pin 2 of the triode Q5 is electrically connected to one end of a resistor R7 and a pin 1 of a triode Q2, a pin 3 of the triode Q2 and a pin 3 of the triode Q5 are respectively grounded, a pin 1 of the triode Q6 is electrically connected to one end of a resistor R11 and a pin 1 of the chip IC1, a pin 2 of the triode Q6 is electrically connected to one end of a resistor R8 and a pin 1 of a triode Q3, and a pin 3 of the triode Q3 and a pin 3 of the triode Q6 are respectively grounded.

[0007] As a further limitation of this technical solution, the lamp bead current amplification circuit further includes a connector J2, a pin 2 of the triode Q1 is electrically connected to a pin 3 of the connector J2, a pin 2 of the triode Q2 is electrically connected to a pin 1 of the connector J2, and a pin 2 of the triode Q3 is electrically connected to a pin 2 of the connector J2.

[0008] As a further limitation of this technical solution, it further includes a power supply circuit, the power supply circuit includes a chip U1, a pin 1 of the chip U1 is electrically connected to one ends of a resistor R1, a resistor R3 and a capacitor C4, a pin 3 of the chip U1 is electrically connected to one end of a capacitor EC2 and a capacitor C3, a pin 4 and a pin 5 of the chip U1 are respectively electrically connected to one end of a capacitor C1, a pin 4 of the chip U1 is electrically connected to one end of an inductor L1, the other end of the inductor L1 is electrically connected to one ends of a resistor R2, a capacitor EC1 and a capacitor C2, the other end of the inductor L1 is electrically connected to the other end of the resistor R1, and the other ends of the resistor R2, the resistor R3, the capacitor C2, the capacitor C3, the capacitor C4, the capacitor EC1 and the capacitor EC2 are respectively grounded.

[0009] As a further limitation of this technical solution, pin 8 of the chip IC1 is electrically connected to one end of the capacitor C5 and the other end of the inductor L1. The other end of the capacitor C5 is grounded. The other ends of the resistor R6, the resistor R7, the resistor R8, the resistor R9, the resistor R10, and the resistor R11 are respectively electrically connected to the other end of the inductor L1.

[0010] As a further limitation of this technical solution, pin 3 of the chip U1, pin 4 of the connector J1, and pin 4 of the connector J2 are respectively electrically connected to the +24V power supply.

[0011] Compared with the related technology, a current amplification circuit based on a digital lamp IC provided by the present utility model has the following beneficial effects:

[0012] (1) By adopting a lamp bead current amplification circuit, the present utility model provides a relatively large current for the LED lamp beads to enable the normal operation of the LED lamp beads;

[0013] (2) By adopting a three-channel LED drive control circuit, the present utility model realizes the control of the LED lamp beads to enable the normal operation of the LED lamp beads;

[0014] (3) By adopting a power supply circuit, the present utility model realizes the conversion of the +24V power supply into a +5V power supply to provide voltage for the lamp bead current amplification circuit and the three-channel LED drive control circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the lamp bead current amplification circuit of the present utility model;

[0016] Figure 2 It is a schematic diagram of the three-channel LED drive control circuit of the present utility model;

[0017] Figure 3 It is a schematic diagram of the power supply circuit of the present utility model;

[0018] Figure 4 It is a schematic diagram of the connector J1 of the present utility model;

[0019] Figure 5 It is a schematic diagram of the connector J2 of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] A current amplification circuit based on a digital lamp IC, comprising: a three-channel LED drive control circuit and a lamp bead current amplification circuit; the three-channel LED drive control circuit includes a chip IC1 and a connector J1, a pin 5 of the chip IC1 is electrically connected to one end of a resistor R5, the other end of the resistor R5 is electrically connected to a pin 1 of the connector J1, a pin 6 of the chip IC1 is electrically connected to one end of a resistor R4, and the other end of the resistor R4 is electrically connected to a pin 2 of the connector J1; the lamp bead current amplification circuit includes a triode Q4, a triode Q5 and a triode Q6, a pin 1 of the triode Q4 is electrically connected to one end of a resistor R9 and a pin 3 of the chip IC1, a pin 2 of the triode Q4 is electrically connected to one end of a resistor R6 and a pin 1 of a triode Q1, a pin 3 of the triode Q1 and a pin 3 of the triode Q4 are respectively grounded, a pin 1 of the triode Q5 is electrically connected to one end of a resistor R10 and a pin 2 of the chip IC1, a pin 2 of the triode Q5 is electrically connected to one end of a resistor R7 and a pin 1 of a triode Q2, a pin 3 of the triode Q2 and a pin 3 of the triode Q5 are respectively grounded, a pin 1 of the triode Q6 is electrically connected to one end of a resistor R11 and a pin 1 of the chip IC1, a pin 2 of the triode Q6 is electrically connected to one end of a resistor R8 and a pin 1 of a triode Q3, and a pin 3 of the triode Q3 and a pin 3 of the triode Q6 are respectively grounded.

[0022] The lamp bead current amplification circuit further includes a connector J2, a pin 2 of the triode Q1 is electrically connected to a pin 3 of the connector J2, a pin 2 of the triode Q2 is electrically connected to a pin 1 of the connector J2, and a pin 2 of the triode Q3 is electrically connected to a pin 2 of the connector J2.

[0023] It further includes a power supply circuit, the power supply circuit includes a chip U1, a pin 1 of the chip U1 is electrically connected to one ends of a resistor R1, a resistor R3 and a capacitor C4, a pin 3 of the chip U1 is electrically connected to one end of a capacitor EC2 and a capacitor C3, pins 4 and 5 of the chip U1 are respectively electrically connected to one end of a capacitor C1, a pin 4 of the chip U1 is electrically connected to one end of an inductor L1, the other end of the inductor L1 is electrically connected to one ends of a resistor R2, a capacitor EC1 and a capacitor C2, the other end of the inductor L1 is electrically connected to the other end of the resistor R1, and the other ends of the resistor R2, the resistor R3, the capacitor C2, the capacitor C3, the capacitor C4, the capacitor EC1 and the capacitor EC2 are respectively grounded.

[0024] Pin 8 of the chip IC1 is electrically connected to one end of the capacitor C5 and the other end of the inductor L1. The other end of the capacitor C5 is grounded. The other ends of the resistor R6, the resistor R7, the resistor R8, the resistor R9, the resistor R10, and the resistor R11 are respectively electrically connected to the other end of the inductor L1.

[0025] Pin 3 of the chip U1, pin 4 of the connector J1, and pin 4 of the connector J2 are respectively electrically connected to the +24V power supply.

[0026] The model of the chip U1 is PL8310E.

[0027] The model of the chip IC1 is UCS2903B.

[0028] The models of the triode Q1, the triode Q2, and the triode Q3 are CJ3400.

[0029] The models of the triode Q4, the triode Q5, and the triode Q6 are 2N7002.

[0030] The working principle of a current amplification circuit based on a digital lamp IC provided by the present utility model is as follows:

[0031] The +24V power supply provides a stable voltage for the operation of the chip U1, the connector J1, and the connector J2. The chip U1 outputs a 5V power supply to the lamp bead current amplification circuit and the three-channel LED drive control circuit. The three-channel LED drive control circuit controls the lamp bead current amplification circuit to provide a relatively large current for the LED lamp beads, enabling the LED lamp beads to work normally.

[0032] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present utility model.

Claims

1. A current amplification circuit based on a digital lamp IC, characterized in that Including: A three-channel LED drive control circuit and a lamp bead current amplification circuit; The three-channel LED drive control circuit includes a chip IC1 and a connector J1. One end of a resistor R5 is electrically connected to pin 5 of the chip IC1, and the other end of the resistor R5 is electrically connected to pin 1 of the connector J1. One end of a resistor R4 is electrically connected to pin 6 of the chip IC1, and the other end of the resistor R4 is electrically connected to pin 2 of the connector J1; The lamp bead current amplification circuit includes a triode Q4, a triode Q5, and a triode Q6. One end of a resistor R9 and pin 3 of the chip IC1 are electrically connected to pin 1 of the triode Q4. One end of a resistor R6 and pin 1 of a triode Q1 are electrically connected to pin 2 of the triode Q4. Pin 3 of the triode Q1 and pin 3 of the triode Q4 are respectively grounded. One end of a resistor R10 and pin 2 of the chip IC1 are electrically connected to pin 1 of the triode Q5. One end of a resistor R7 and pin 1 of a triode Q2 are electrically connected to pin 2 of the triode Q5. Pin 3 of the triode Q2 and pin 3 of the triode Q5 are respectively grounded. One end of a resistor R11 and pin 1 of the chip IC1 are electrically connected to pin 1 of the triode Q6. One end of a resistor R8 and pin 1 of a triode Q3 are electrically connected to pin 2 of the triode Q6. Pin 3 of the triode Q3 and pin 3 of the triode Q6 are respectively grounded.

2. The current amplification circuit based on the digital lamp IC according to claim 1, wherein: The lamp bead current amplification circuit further includes a connector J2. Pin 2 of the triode Q1 is electrically connected to pin 3 of the connector J2. Pin 2 of the triode Q2 is electrically connected to pin 1 of the connector J2. Pin 2 of the triode Q3 is electrically connected to pin 2 of the connector J2.

3. The current amplification circuit based on the digital lamp IC according to claim 2, wherein: It further includes a power supply circuit. The power supply circuit includes a chip U1. One end of a resistor R1, a resistor R3, and a capacitor C4 are electrically connected to pin 1 of the chip U1. One end of a capacitor EC2 and a capacitor C3 are electrically connected to pin 3 of the chip U1. One end of a capacitor C1 is electrically connected to pins 4 and 5 of the chip U1 respectively. One end of an inductor L1 is electrically connected to pin 4 of the chip U1. The other end of the inductor L1 is electrically connected to one ends of a resistor R2, a capacitor EC1, and a capacitor C2. The other end of the inductor L1 is electrically connected to the other end of the resistor R1. The other ends of the resistor R2, the resistor R3, the capacitor C2, the capacitor C3, the capacitor C4, the capacitor EC1, and the capacitor EC2 are respectively grounded.

4. The current amplification circuit based on a digital lamp IC according to claim 3, characterized in that: One end of a capacitor C5 and the other end of the inductor L1 are electrically connected to pin 8 of the chip IC1. The other end of the capacitor C5 is grounded. The other ends of the resistor R6, the resistor R7, the resistor R8, the resistor R9, the resistor R10, and the resistor R11 are respectively electrically connected to the other end of the inductor L1.

5. The current amplification circuit based on the digital lamp IC according to claim 3, characterized in that: Pin 3 of the chip U1, pin 4 of the connector J1, and pin 4 of the connector J2 are respectively electrically connected to a +24V power supply.

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