TSCR400CX6H / TSCR402CX6H Taiwan Semiconductor Linear Constant Current Regulated LED DriverDESCRIPTIONFEATURES The TSCR400 & TSCR402 are High-Side Constant ● AEC-Q100 qualified with the fol owing results: Current Regulator (CCR) for linear LED driving. The - Device temperature grade 1: -40°C to 125°C device regulates with a preset TSCR400 0.1mA and - Device HBM ESD classification level H2 TSCR402 20mA nominal that can be adjusted with an - Device CDM ESD classification level C6 external resistor up to 65mA. It is designed for driving ● LED drive current preset: ● TSCR400CX6: 0.1mA LEDs in strings and will reduce current at increasing ● TSCR402CX6: 20mA temperatures to self-protect. Operating as a series ● Continuous output current up to 65mA with an linear CCR for LED string current control, it can be external resistor used in multiple applications, as long as the maximum ● Easy paralleling of drivers to increase current supply voltage to the device is <40V. ● Supply voltage up to 40V The output current at higher temperatures is the result ● Good temperature coefficient vs. output current of the negative temperature coefficient of -0.07%/°C of ● Compliant to RoHS Directive 2011/65/EU and in the LED driver. accordance to WEEE 2002/96/EC. ● Halogen-Free according to IEC 61249-2-21 APPLICATION ● Automotive Lighting ● Architectural LED lighting, emergency lighting ● Signage, Advertising, Decorative Lighting ● Retail Lighting in Fridges and Vending Machines SOT-26Pin Definition: 1. GND 6. REXT 2. OUT 5. OUT 3. OUT 4. VS Notes: MSL 1 (Moisture Sensitivity Level) per J-STD-020 TYPICAL APPLICATION CIRCUIT Vs Supply Vref RINT (Optional) REXT VBG Regulator TSCR400 GND OUT TSCR402 LED String 1 Version: A1905