TS19503CB10H RBG

LED Driver IC Overview

The TS19503CB10H RBG is a single-channel, continuous conduction mode buck LED driver IC from Taiwan Semiconductor. It features an input voltage range of 4.5 V to 75 V and delivers up to 2 A output current. The device utilizes hysteresis control for high accuracy with minimal external components. It includes an integrated N-channel high-side FET and operates at a frequency adjustable up to 1 MHz. The IC supports PWM and analog dimming with a 1000:1 ratio. It is housed in an MSOP-10EP package and is qualified under the AEC-Q100 standard for automotive reliability.

LED Driver IC Feature Summary

• Hysteresis (bang-bang) control technology ensures high precision while minimizing external component count
• Integrated low RDS(on) internal MOSFET enables high efficiency across various operating conditions
• Supports both PWM and analog dimming methods with a wide 1000:1 dimming range
• Internal fault status flag provides additional protection against destructive failure modes

LED Driver IC Applications

• Automotive headlight applications including high beam and low beam
• Daytime running lights and turn signal indicators
• Position lights and fog lamps
• High-beam lighting for ATVs and four-wheel drive vehicles
• Medical lighting applications requiring SELV and line isolation

LED Driver IC Procurement Notes

Verify that the specific ordering suffix matches the required package variant and tape-and-reel configuration. Confirm AEC-Q100 qualification status aligns with target automotive or industrial reliability standards. Ensure the selected part number corresponds to the correct pinout and thermal pad requirements for the MSOP-10EP footprint during procurement validation.

LED Driver IC Selection Notes

Select this component for designs requiring a wide input voltage range up to 75 V and high output current capability. The adjustable switching frequency allows optimization for EMI compliance. Consider the thermal performance benefits of the exposed pad package for high-power density applications. Verify compatibility with required dimming interfaces and fault protection logic before integration.

LED Driver IC Part Context

This part belongs to the TS19503 series of LED drivers designed for robust performance in demanding environments. The series targets automotive and industrial sectors where reliability and efficiency are critical. The TS19503CB10H RBG variant specifically denotes the MSOP-10EP package configuration with reel packaging, distinguishing it from other physical form factors within the same functional family.

LED Driver IC Replacement Considerations

No public confirmed substitute part numbers are available.