UCC28950-Q1 Overview
Description
The UCC28950-Q1 enhanced phase-shifted controller builds upon Texas Instruments' industrystandard UCCx895 phase-shifted controller family with enhancements that offer best-in-class efficiency in today’s high-performance power systems. The UCC28950-Q1 implements advanced control of the full bridge along with active control of the synchronous-rectifier output stage.
Key Features
- Qualified for Automotive Applications
- Enhanced Wide-Range Resonant Zero-Voltage Switching (ZVS) Capability
- Direct Synchronous Rectifier (SR) Control
- Average- or Peak-Current Mode Control With Programmable Slope Compensation and Voltage-Mode Control
- Closed-Loop Soft-Start and Enable Function
- Programmable Switching Frequency up to 1 MHz with Bidirectional Synchronization
- (±3%) Cycle-by-Cycle Current Limit Protection With Hiccup Mode Support
- 150-µA Start-Up Current
- VDD Undervoltage Lockout
- Wide Temperature Range, –40°C to 125°C
