BQ25190 IC
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Product Details
Product Details:
- Part Number: BQ25190 (BQ25190YBGR)
- Manufacturer: Texas Instruments (TI)
- Function: I2C Controlled 1-Cell 1A Linear Battery Charger with Integrated Power Path, Buck-Boost Converter, DVS Buck, Dual LDOs, and Multi-Channel ADC
- Input Voltage Range: 3.4V to 5.5V operating range (supports up to 20V input overvoltage protection)
- Charge Current: Programmable from 5mA to 1A
- Integrated Regulators: 1x Buck switching converter, 1x Buck-Boost converter, and 2x Low-Dropout (LDO) regulators
- Interface: I2C Serial Interface for voltage rail configuration and telemetry
- Package / Pin Count: 30-Ball DSBGA / WCSP (YBG Package)
- Mounting Type: Surface Mount Device (SMD / BGA)
Usage:
- Used as a complete all-in-one Power Management Unit (PMU) and battery charger in compact smart electronics, smartwatches, wearable health devices, wireless earbuds/audio accessories, and IoT devices.
- Manages battery charging, power-path selection, regulated system voltage generation, and real-time battery/temperature telemetry in low-power compact designs.
- Used in board-level micro-soldering repair to fix power distribution failures, dead battery charging errors, excessive standby power drain, and device non-booting faults.
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