BQ24261
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Product Details
Product Details:
- Part Number: BQ24261 / BQ24261M (BQ24261RGER / BQ24261YFFR)
- Manufacturer: Texas Instruments (TI)
- Function: I2C Controlled Single-Cell 3A Switch-Mode Battery Charger with Autonomous Power-Path Management and USB-OTG Boost
- Input Voltage Range: 4.2V to 14V operating range (supports up to 20V input overvoltage protection)
- Maximum Charge Current: Up to 3.0A
- Interface: I2C Serial Interface for programmable parameters and telemetry
- Package / Pin Count: 24-Pin VQFN (4mm x 4mm, RGE Package) / 36-Ball WCSP (YFF)
- Mounting Type: Surface Mount Device (SMD)
Usage:
- Used as the primary battery charger IC and power-path manager in smartphones and tablets (compatible with Xiaomi Redmi Note 3, Redmi Note 4, and various Android models).
- Powers the system immediately upon plugging in the charger, even when the battery is completely drained or missing.
- Used in motherboard-level repair to fix charging faults such as device not charging, slow charging, fake charging (charging symbol appears but percentage stays unchanged), and USB OTG failure.
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