· LED topology: - AM 4 constant current sink, each current sink  can support 1~10 LEDs 

· Operating voltage range: - VCC range: 3.0V to 5.5V - Interface pin compatible with: 3.3V/5.0V - LED supply voltage range: up to 40V 

· Constant current sinks with high precision: - 0.156~40mA per channel sink when VCC>3V - Device-to-device error: ±1.5% - Knee voltage:400mV in 20mA 

· PWM dimming options: - Global 8-bits maximum current (GC) setting  from 0.156mA~40mA 

· PWM dimming control:12 bits 

· Ultra-low quiescent current: - 100µA in standby mode. - 1.0mA in normal mode @40mA 

· Automatic Voltage range detection for VLED Headroom voltage control. 

· LED open (LOD)/ short (LSD) detection 

· Over temperature detect and chip protection: - 120°C derating options - 150°C Shut down 

· Programmable interface output ability for EMI 

· Phase-shift PWM scheme. 

· Two-wire interface compatible with common SPI,  data transfer rate: 20MHz(max.) 

· UART output for internal information readback. 

· Interrupt output for system level ERROR  information handle. 

· ESD: 4000V HBM