UCC2801QDRQ1

Power Supply Controllers, Monitors Overview

The UCC2801QDRQ1 is a low-power BiCMOS current-mode PWM controller designed for automotive applications, certified to AEC-Q100 standards. It supports Boost, Buck, Flyback, and Forward topologies with a single output. The device operates within an input voltage range of 3.5 V to 42 V and provides an adjustable output voltage from 100 mV to 28 V. It features a switching frequency range of 40 kHz to 1 MHz and a maximum duty cycle of 76%. The component functions reliably across an operating temperature range of -40°C to +125°C.

Power Supply Controllers, Monitors Feature Summary

• Automotive-grade reliability compliant with AEC-Q100 qualification standards
• Integrated current-mode PWM control for efficient power conversion
• Flexible topology support including boost, buck, flyback, and forward configurations

Power Supply Controllers, Monitors Applications

• Automotive power supply systems
• DC-DC converter designs
• Vehicle electronics power management

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'QDRQ1' confirms AEC-Q100 automotive qualification and SOIC-8 package configuration. Ensure the source document explicitly lists this part number as active and available. Cross-reference the manufacturer's official datasheet for the latest revision status and pinout definitions before integration.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing automotive power circuits requiring a robust, low-power PWM controller. It is suitable for applications needing wide input voltage ranges and high-temperature operation. Consider its current-mode control architecture for stability in various load conditions. Verify that the required switching frequency and duty cycle align with the design specifications.

Power Supply Controllers, Monitors Part Context

This part belongs to Texas Instruments' UCC280x series of low-power BiCMOS current-mode PWM controllers. The Q1 suffix indicates automotive qualification, while DRQ1 specifies the tape-and-reel packaging in an SOIC-8 footprint. It is distinct from non-automotive variants like the standard UCC2801.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers are not provided in the available documentation.