MAX8631X Overview
The main group of LEDs (M1 M4) can be driven up to 30mA per LED for backlighting. The flash group of LEDs (F1 F4) is independently controlled and can be driven up to 100mA per LED (or 400mA total). Two 200mA LDOs are on-board to provide power for camera functions.
MAX8631X Key Features
- Powers Up to 8 LEDs Up to 30mA/LED Drive for Backlight Up to 400mA Total Drive for Flash
- Two Internal Low-Noise 200mA LDOs
- 94% Max/85% Avg Efficiency (PLED/PBATT) over Li+ Battery Discharge
- 0.2% Typical LED Current Matching
- Adaptive 1x/1.5x/2x Mode Switchover
- Flexible Brightness Control Single-Wire Serial Pulse Interface (32 Steps) 2-Bit Logic (Three Levels)
- Thermal TA Derating Function
- Low Input Ripple and EMI
- 2.7V to 5.5V Supply Voltage Range
- Soft-Start, Overvoltage, and Thermal-Shutdown Protection