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DATA SHEET
TPS92629-Q1Single-Channel, Automotive High Side LED Driver With Thermal Sharing Control
1 Features
- AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to 125°C, TA
- Wide input voltage range: 4.5 V to 40 V
- Thermal sharing by external shunt resistor
- Low quiescent current
- 10 uA with EN low in shutdown mode
- Low supply current in fault mode
- Single-channel high-precision current
regulation:
- Up to 250-mA output
channel current
- Integrated analog dimming and PWM dimming control
- ±5% accuracy under PWM
dimming mode over full temperature range
- ±5% accuracy under analog
dimming mode for 20%~100% maximum current over full temperature
range
- ±10% accuracy under
analog dimming mode for 10%~20% maximum current over full temperature
range
- Low dropout voltage:
- Maximum dropout: 350 mV for 150 mA
- Maximum dropout: 500 mV
for 250 mA
- Diagnostics and protection
- LED open-circuit with
auto-recovery
- LED short-to-GND with
auto-recovery
- LED short-to-battery with auto-recovery
- Diagnostic enable with adjustable threshold for
low-dropout operation
- More safe system with multiple fault
report capability
- Thermal shutdown
- Operation junction temperature range: –40°C to
150°C
