TPS92624-Q1中文资料德州仪器数据手册PDF规格书

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 supply current in fault mode

• Four high-precision current regulation:

– Up to 150-mA current output for each channel

– ±5 accuracy over full temperature range

– Independent current setting by resistor

– Independent PWM pin for brightness control

• Low dropout voltage:

– Maximum dropout: 600 mV for 150 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 either one-fails–all-fail

or only-failed-channel off (N-1)

– Thermal shutdown

• Operation junction temperature range:–40°C to

150°C