MIC3231YTSE-TR

LED Driver IC Overview

The MIC3231YTSE-TR is a high-efficiency, low-noise DC-DC controller with an integrated power switch, designed for LED lighting applications. It operates on a Boost (Step-Up) topology and supports PWM dimming. The device features a wide input voltage range of 6V to 45V and a fixed switching frequency of 1MHz. It includes dithering functionality to reduce electromagnetic interference. The component is housed in a 16-pin TSSOP package with an exposed pad and is rated for an operating temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

• Integrated power switch eliminates external MOSFET requirements
• Fixed 1MHz switching frequency reduces component size
• Dithering feature minimizes electromagnetic interference
• Supports PWM dimming for precise brightness control

LED Driver IC Applications

• High-power LED lighting systems
• Automotive interior lighting
• General illumination drivers
• Battery-powered LED fixtures

LED Driver IC Procurement Notes

Verify the specific suffix 'TR' indicates tape and reel packaging when ordering. Confirm the 16-TSSOP-EP package type matches your PCB footprint. Ensure the 6V–45V input range aligns with your system's supply voltage. Check that the -40°C to +125C temperature rating meets your environmental requirements before finalizing procurement.

LED Driver IC Selection Notes

Select this component for applications requiring a compact, high-efficiency boost converter with an internal switch. It is suitable where EMI reduction via dithering is critical. Choose this part over discrete solutions to simplify design and save board space. Verify compatibility with your desired LED current and dimming interface requirements.

LED Driver IC Part Context

This part belongs to Microchip's MIC323x series of LED driver controllers. It shares similarities with the MIC3230 but offers specific performance characteristics tailored for high-power LEDs. The series focuses on efficiency and noise reduction for demanding lighting environments.

LED Driver IC Replacement Considerations

The MIC3230YTSE-TR is a related variant within the same family. Verify if the specific electrical differences between the MIC3230 and MIC3231 models meet your design needs before substituting.