TPS92200 4-V to 30-V Input Voltage, 1.5-A Output Current, Synchronous Buck LED Driver With Flexible Dimming Options

1 Features

4-V to 30-V wide input range
Integrated 150-mΩ and 90-mΩ MOSFETs for
1.5-A continuous output current
Ultra-low shut-down current: 1 μA
Ultra-low output discharge current from load: 1 μA
1-MHz switching frequency
Maximum duty cycle up to 99%
Peak current mode with internal compensation
Flexible dimming options:
- TPS92200D1: PWM dimming with digital input and analog dimming with analog input
- TPS92200D2: analog dimming with digital input
Ultra-low and accurate FB voltage: 99 mV ±3 mV
Full protection features:
- LED open-load protection
- LED+ short-to-GND protection with auto-retry
- LED+ and LED– short circuitry protection with auto-retry
- Sense-resistor open-load and short-to-GND protection with auto-retry
- Thermal shutdown protection with auto-retry
SOT23 (6) package
VQFN-HR (6) package