Compatible Devices
This IC is widely utilized across several popular mobile brands, particularly for the following models:
- Vivo: X5, X9, and V19 Pro
- Oppo: R11, R9M, R9S Plus, R7M, and R7T
- Huawei: P20 and Nova 5
Technical Overview
- Function: It functions as an LCD backlight driver and light control chip.
- Pin Configuration: 16 pins.
- Power Dissipation: Energy-efficient architecture operating at 0.5W.
- Cross-Compatibility: Frequently interchangeable or associated with 32B, 32A, and 31PIPUP component frameworks.
Typical Symptoms of Failure
You likely need to replace this chip if your phone exhibits the following issues:
- The phone powers on, but the screen remains completely dark (no backlight).
- Flickering display light or erratic brightness level drops.
- The screen image is faintly visible only when holding a flashlight directly against the glass.
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