LP55231 |
Part Number | LP55231 |
Manufacturer | Texas Instruments (https://www.ti.com/) |
Description | The LP55231 is a 9-channel LED driver designed to produce lighting effects for mobile devices. A highefficiency charge pump enables LED driving over full Li-Ion battery voltage range. The device is eq... |
Features |
•1 Three Independent Program Execution Engines, 9 Programmable Outputs With 25.5-mA Full-Scale Current, 8-Bit Current Setting Resolution and 12-Bit PWM Control Resolution • Adaptive High-Efficiency 1×/1.5× Fractional Charge Pump - Efficiency up to 94% • LED Drive Efficiency Up to 93% • Charge Pump With Soft Start • Overcurrent and Short-Circuit Protection • Built-in LED Test • 200-nA Typical Standby Current • Automatic Power Save Mode; IVDD = 10 µA (Typical) • Two-Wire I2C-Compatible Control Interface • Flexible Instruction Set • Large SRAM Program Memory • Small Application Circuit • Source (... |
Document |
LP55231 Data Sheet
PDF 1.63MB |
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