BQ24157A IC
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Product Details
Product Details:
- Part Number: BQ24157A (BQ24157AYFFR)
- Manufacturer: Texas Instruments (TI)
- Function: Fully Integrated Synchronous Switch-Mode Single-Cell Li-Ion Battery Charger with USB-OTG Boost Mode
- Input Voltage Range: 4.0V to 6.0V operating range (withstands up to 20V input overvoltage protection)
- Maximum Charge Current: Up to 1.55A
- Switching Frequency: 3-MHz high-frequency synchronous buck converter
- USB OTG Boost Output: 5.05V regulated output
- Communication: I2C Serial Interface for programmable charge voltage, current limits, and diagnostic status
- Package / Pin Count: 20-Ball WCSP / DSBGA (YFF Package, 2.1mm x 2.0mm micro-BGA footprint)
- Mounting Type: Surface Mount Device (SMD / BGA)
Usage:
- Used as the dedicated battery charging and power management IC in smartphones and compact handheld devices (compatible with Samsung Galaxy A10s, i9050, i8250; Huawei; Motorola; Oppo; Vivo; Tecno; and MediaTek-based Android boards).
- Integrates internal power MOSFETs, reverse-current protection, and thermal regulation within a miniature 20-ball BGA package to reduce board area.
- Used in mobile motherboard repair to fix dead charging lines, slow battery charging, fake charging (charging animation appears but battery percentage does not increase), USB OTG failure, and charging IC short circuits.
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