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STD Charging circuit BQ24075
Charging circuit BQ24075
License
GPL 3.0
License: GPL 3.0Mode:
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Update time：
2023-11-26 20:56:16
Creation time：
2023-07-08 19:07:10
Description
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
Design Drawing
schematic diagram
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PCB
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PCB_Charging circuit BQ24075
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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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