BQ25892 IC
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Product Details
Product Details:
- Part Number: BQ25892 (BQ25892RTWR / BQ25892RTWT)
- Manufacturer: Texas Instruments (TI)
- Function: I2C Controlled Single-Cell 5A Switch-Mode Buck Fast Battery Charger with NVDC Power-Path Management and USB-OTG Boost
- Input Voltage Range: 3.9V to 14V operating range (supports up to 22V absolute maximum input rating)
- Maximum Charge Current: Up to 5.0A
- USB OTG Boost Mode: Adjustable 4.5V to 5.5V output at up to 2.4A
- Communication: I2C Serial Interface for dynamic charge voltage, current limits, and diagnostic telemetry
- Package / Pin Count: 24-Pin WQFN (4mm x 4mm, RTW Package with exposed thermal ground pad)
- Mounting Type: Surface Mount Device (SMD)
Usage:
- Used as the primary fast-charging and power management IC in smartphones and tablets (compatible with Huawei P9, Mate 8; Meizu MX5, Pro series; Xiaomi / Redmi; Infinix; Tecno; and Lenovo).
- Employs Narrow VDC (NVDC) power-path architecture to power up the system instantly upon plugging in a charger, even if the battery is fully drained, missing, or damaged.
- Used in motherboard-level repair to fix no-charging faults, slow charging, fake charging (charging indicator displays but battery percentage does not rise), OTG output failure, and phone power-on failure caused by a shorted charging line.
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