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STD Charging circuit BQ24075

License: GPL 3.0

Mode: Editors' pick

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Update time: 2023-11-26 20:56:16
Creation time: 2023-07-08 19:07:10
Description

This circuit includes Li-po/ Li-ion batery charging chip bq24075 chip with the following features

1) Precharge condition at 2.9v to 4.16 to 4.23V AND precharge current can be set ref(pg13)

2) Constant charge current from 100mA to 1500mA ref(pg13)

3) Vo is regulated from 5.4V to 5.6V

4) Short circuit protection threshold 2.9V to 3.1V

 

Reference

1) DATASHEET: https://www.ti.com/lit/ds/symlink/bq24075.pdf?ts=1688649744768&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FBQ24075 2) NOTES https://www.ti.com/lit/ml/slyp821/slyp821.pdf?ts=1688836419029&ref_url=https%253A%252F%252Fwww.google.com%252F

license: GNU GPL v3.0

         
Design Drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity Package Display
1 HDR-M-2.54_1x1 1V8,G1,G2,VBUS,VOUT HDR-M-2.54_1X1 5 HDR-M-2.54_1x1
2 HDR-M-2.54_1x2 1.5A,100MAH,200MAH,500MAH,JRILIM,JRISET,JRTS HDR-M-2.54_1X2 7 HDR-M-2.54_1x2
3 B+ B+ HDR-M-2.54_1X1 1 HDR-M-2.54_1x1
4 B- B- HDR-M-2.54_1X1 1 HDR-M-2.54_1x1
5 1uF C1 C0603 1 0603B105K250NT
6 1uF C2 C1206 1 CL31B105KAHNNNE
7 10uF C3,C4 C0805 2 CS2012X7R106K100NRE
8 GRM188R7YA474KE05D C5 GRM188R7YA474KE05D 1 GRM188R7YA474KE05D
9 RED LED SMD 0603 (C2286) CHG LED-0603 1 RED LED SMD 0603 (C2286)
10 EN1 EN1 HDR-TH_2P-P2.54-V-M-1 1 JUMPER2
11 EN2 EN2 HDR-TH_2P-P2.54-V-M-1 1 JUMPER2
12 HDR-F-2.54_1x2 GPO,#CE HDR-F-2.54_1X2 2 HDR-F-2.54_1x2
13 HDR-F-2.54_1x4 I2C HDR-F-2.54_1X4 1 HDR-F-2.54_1x4
14 LED-Green(0603) PG LED-0603 1 LED-Green(0603)
15 100kΩ R1 0603 1 CRT0603-BY-1003ELF
16 10kΩ R4,R5,R13,RTS10K R0402 4 RE0402FRE0710KL
17 1kΩ R6,R7 R0603 2 AR03BTCX1001
18 5.1K R8,R9 R0402 2 AC0402FR-075K1L 5.1kΩ
19 0.01OHM(1206) R10 RESISTOR 150 OHM (1206) 1 Resistor 150 OHM (1206)
20 4.7KΩ R11,R12 R0402 2 RTT024704FTH
21 8.87kΩ R100 R0402 1 TC0210B8871TCC
22 4.42Ω R200 R0402 1 RK73H1ETTP4R42F
23 1.78K R500 R0402 1 AC0402JR-071K8L 1.78k
24 1.1kΩ RI1500 R0402 1 RMC04021.1K1%N
25 RESISTOR_THT:R_AXIAL_DIN0309_L9.0MM_D3.2MM_P2.54MM_VERTICAL RILIM,RISET,RTS RES-TH_12R_2W 3 RESISTOR_THT:R_AXIAL_DIN0309_L9.0MM_D3.2MM_P2.54MM_VERTICAL
26 SS-12D00G3 SW2 SS-12D00G3 1 SS-12D00G3
27 BQ24075RGTR U1 QFN-16_L3.0-W3.0-P0.50-TL-EP1.7 1 BQ24075RGTR
28 BQ27441DRZR-G1B U6 SON-12_L4.0-W2.5-P0.40-BL-EP 1 BQ27441DRZR-G1B
29 MC-312 USB1 USB-C-SMD_MC-312 1 MC-312

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