TSCR421CX6H RFG

LED Driver IC Overview

The TSCR421CX6H RFG is a linear LED driver IC from Taiwan Semiconductor Corporation, designed for lighting applications. It features a single output channel capable of delivering up to 10mA, with an output voltage range of 1.4V to 40V and a maximum supply voltage of 4.5V. The device supports PWM dimming and is housed in a compact SOT-26 package. Certified to AEC-Q100 standards, it operates reliably within a temperature range of -40°C to 125°C.

LED Driver IC Feature Summary

• Supports PWM dimming control for precise brightness adjustment
• AEC-Q100 qualified for automotive-grade reliability
• Integrated internal switch for efficient power management
• Compact SOT-26 surface-mount packaging

LED Driver IC Applications

• Automotive interior lighting systems
• General illumination circuits
• LED indicator drivers

LED Driver IC Procurement Notes

Verify the specific ordering suffix (RFG) against the manufacturer's official documentation to ensure correct configuration. Confirm that the SOT-26 package variant matches the design requirements. Check current availability status as components may be subject to supply constraints. Ensure compliance with RoHS3 specifications for environmental regulations.

LED Driver IC Selection Notes

Select this component when a single-channel linear LED driver with PWM capability is required. The 10mA output current suits low-power LED applications. The wide operating temperature range makes it suitable for harsh environments. Verify that the 4.5V maximum supply voltage aligns with the system power rails.

LED Driver IC Part Context

This part belongs to the TSCR421 series of LED driver ICs manufactured by Taiwan Semiconductor Corporation. The series is characterized by its linear regulation technology and automotive certification. The TSCR421CX6H RFG represents a specific package and tape-and-reel configuration within this product family.

LED Driver IC Replacement Considerations

Consult the manufacturer's datasheet for officially confirmed substitute part numbers. Direct replacements must maintain identical pinout, electrical characteristics, and package dimensions to ensure compatibility without circuit redesign.