Automotive single channel LED driver

The TPS92610-Q1 device is a simple single-channel high-side LED driver operating from an automotive car battery. It is a simple and elegant solution to deliver constant current for a single LED string with full LED diagnostics. Its one-fails–all-fail feature is able to work together with other LED drivers, such as the TPS9261x-Q1, TPS9263x-Q1, and TPS9283x-Q1 devices, to address different requirements.

Features

• Qualified for Automotive Applications
• AEC-Q100 Qualified With the Following Results:
  • Temperature Grade 1: -40 to +125°C Ambient Operating Temperature Range
  • Device HBM ESD Classification Level H2
  • Device CDM ESD Classification Level C3B
• Single-Channel Constant-Current LED Driver With PWM Dimming
• Wide Input-Voltage Range: 4.5 to 40V
• Constant Output Current, Adjustable by Sense Resistor
• Precision Current Regulation, Tolerance ±4.6% Across Junction Temperature -40 to 150°C
• Maximum Current: 450mA
• Heat Sharing With External Resistor
• Low Dropout Voltage (Sense–Resistor Voltage Drop Included)
  • Maximum Dropout: 150mV at 10mA
  • Maximum Dropout: 400mV at 70mA
  • Maximum Dropout: 700mV at 150mA
  • Maximum Dropout: 1.3V at 300mA
• Diagnostics and Protection
  • Single-LED Short-Circuit Detection With Auto-Recovery
  • LED Open-Circuit and Short-Circuit Detection With Auto-Recovery
  • Diagnostic-Enable With Adjustable Threshold for Low-Dropout Operation
  • Fault Bus up to 15 Devices, Configurable As Either One-Fails–All-Fail or Only-Failed-Channel-Off
  • Low Quiescent Current and Fault-Mode Current (less than 250µA per Device)
• Operating Junction Temperature Range: -40 to 150°C

To find out more, click here.