LP55231
Features
- 1 Three Independent Program Execution Engines, 9 Programmable Outputs With 25.5-m A 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-n A Typical Standby Current
- Automatic Power Save Mode; IVDD = 10 µA
(Typical)
- Two-Wire I2C-patible Control Interface
- Flexible Instruction Set
- Large SRAM Program Memory
- Small Application Circuit
- Source (High-Side) Drivers
- Architecture Supports Color Control
2 Applications
- Fun Lights and Indicator Lights
- LED Backlighting
- Haptic Feedback
- Programmable Current Source
- Fire Notification
- Electronic Thermostats
- Electronic Locks
- Robotics
- Intruder Notification
- Light Switches and Dimmers
- Gaming and Smart Headphones
- Speakers
3 Description
The LP55231 is a 9-channel LED...
