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STD BQ25302 Charger
BQ25302 Charger
License
Public Domain
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Update time：
2024-11-06 10:46:25
Creation time：
2024-05-24 06:04:45
Description
Description
BQ25302 Li-ion Charger Evaluation Board
Overview
This open-source hardware project is an evaluation board for the BQ25302 Li-ion battery charging chip. Designed for both standalone operation and microcontroller integration, this board allows makers, engineers, and hobbyists to fully explore and test the capabilities of the BQ25302 charger IC.
Key Features
- Full access to all BQ25302 chip features
- Standalone operation for quick testing
- Microcontroller interface for advanced control and monitoring
- Compact and efficient design optimized for Li-ion battery charging
Applications
- Prototyping battery-powered devices
- Testing and characterizing Li-ion battery charging performance
- Educational tool for learning about battery management systems
- Rapid development platform for products using the BQ25302 chip
Performance
Initial tests demonstrate successful charging of Li-ion batteries, confirming the board's functionality and reliability.
Design Drawing
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity | Manufacturer Part | Manufacturer | Supplier | |
|---|---|---|---|---|---|---|---|---|
| 1 | 47nF | C1 | C0402 | 1 | V473K0402X5R250NBT | VIIYONG(微容) | LCSC | C609901 |
| 2 | 10uF | C2,C3,C4,C7,C8 | C0603 | 5 | CL10A106MA8NRNC | SAMSUNG(三星) | LCSC | C96446 |
| 3 | 2.2uF | C5 | C0603 | 1 | CL10A225KO8NNNC | SAMSUNG(三星) | LCSC | C23630 |
| 4 | 100nF | C6 | C0402 | 1 | CL05B104KO5NNNC | SAMSUNG(三星) | LCSC | C1525 |
| 5 | 1uH | L1 | IND-SMD_L4.4-W4.2 | 1 | FXL0420-1R0-M | cjiang(长江微电) | LCSC | C167203 |
| 6 | KT-0603R | LED1 | LED0603-RD | 1 | KT-0603R | KENTO | LCSC | C2286 |
| 7 | 22kΩ | R1 | R0402 | 1 | 0402WGF2202TCE | UNI-ROYAL(厚声) | LCSC | C25768 |
| 8 | 10kΩ | R2,R3 | R0402 | 2 | 0402WGF1002TCE | UNI-ROYAL(厚声) | LCSC | C25744 |
| 9 | BQ25302RTER | U1 | WQFN-16_L3.0-W3.0-P0.50-BL-EP1.7 | 1 | BQ25302RTER | TI(德州仪器) | LCSC | C2761617 |
| 10 | 40.2kΩ | U5 | R0402 | 1 | CRCW040240K2FKED | VISHAY(威世) | LCSC | C844507 |
| 11 | 4.7kΩ | U6 | R0402 | 1 | FRC0402J472 TS | FOJAN(富捷) | LCSC | C2906941 |
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