TPS92621-Q1Single-Channel, Automotive, High Side LED Driver with Thermal Sharing

1 Features

AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to 125°C, T_A
Wide input voltage range: 4.5 V to 40 V
Thermal sharing by external shunt resistor
Low supply current in fault mode
Single high-precision current regulation:
- Up to 300-mA current output
- ±5% accuracy over full temperature range
- Current setting by resistor
- PWM pin for brightness control
Low dropout voltage:
- Maximum dropout: 300mV for 150 mA
- Maximum dropout: 600mV for 300 mA
Diagnostics and protection
- LED open-circuit with auto-recovery
- LED short-to-GND with auto-recovery
- Diagnostic enable with adjustable threshold
- Fault bus configurable as one-fails-all-fail
- Thermal shutdown
Operation junction temperature range:–40°C to 150°C