The LM3632A integrates WLED drivers for LCD panel backlight and camera flash, along with bias power for the LCD panel, into a single device. It features a backlight boost converter capable of driving up to two strings of 8 LEDs (16 LEDs total) with 11-bit dimming, a 1.5-A constant-current flash LED driver, and programmable positive (4V to 6V) and negative (-4V to -6V) LCD bias supplies. The device is designed for small- to medium-size displays in smartphones and tablets, offering up to 90% efficiency and a high level of programmability via I2C.
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| Input Voltage (Min) | 2.7V |
| Input Voltage (Max) | 5.0V |
| Backlight Strings | 2count |
| Flash LED Current (Max) | 1.5A |
| Backlight Current (Max per string) | 25mA |
| Positive Bias Voltage Range | 4 to 6V |
| Negative Bias Voltage Range | -4 to -6V |
| Maximum Output Voltage (Backlight Boost) | 29V |
| Efficiency | 90% |
| Control Interface | I2C, PWM |
| RoHS | Compliant |
| REACH | Affected |
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