TS19451CY RMG

LED Driver IC Overview

The TS19451CY RMG is an AC/DC WLED driver IC manufactured by Taiwan Semiconductor Corporation. It integrates an internal MOSFET for compact design and supports a wide input voltage range of 20V to 475V DC. The device operates as a buck converter with PWM control capability and delivers a maximum output current of 150mA. Packaged in a 4-pin (3+Tab) SOT-89 tape and reel configuration, it features a supply current of 350uA, facilitating efficient power management for white LED lighting applications.

LED Driver IC Feature Summary

• Integrates an internal MOSFET to reduce external component count
• Supports wide input voltage range from 20V to 475V DC
• Provides PWM dimming control functionality
• Delivers up to 150mA output current

LED Driver IC Applications

• AC/DC White LED lighting drivers
• General illumination systems
• Compact LED modules requiring integrated switching

LED Driver IC Procurement Notes

Verify the complete part number including the suffix RMG to ensure correct packaging and tape-and-reel specifications. Confirm that the SOT-89 package footprint matches your PCB design requirements. Check for any specific automotive or industrial qualification certifications if required for your application environment. Ensure compatibility with the intended input voltage range before procurement.

LED Driver IC Selection Notes

Select this component when designing AC/DC driven white LED circuits that require an integrated switch to minimize board space. The wide input voltage range suits various mains-derived power supplies. Consider the 150mA current limit for appropriate LED string configurations. The SOT-89 package offers thermal performance benefits via the exposed tab for heat dissipation in compact enclosures.

LED Driver IC Part Context

Taiwan Semiconductor Corporation specializes in discrete power rectifiers and power management solutions. Their product portfolio includes Schottky diodes, MOSFETs, and LED driver ICs. The company serves automotive, industrial, and consumer electronics markets with certified quality standards. This driver IC aligns with their focus on efficient power management components.

LED Driver IC Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult official manufacturer channels for cross-reference information.