Green Phase-Shifted Full-Bridge Controller
UCC28950-Q1
www.ti.com
SLUSAG4B – APRIL 2011 – REVISED SEPTEMBER 2012
Phase-Shifted Full-Bridge Controller With Synchr...
Description
UCC28950-Q1
www.ti.com
SLUSAG4B – APRIL 2011 – REVISED SEPTEMBER 2012
Phase-Shifted Full-Bridge Controller With Synchronous Rectification
Check for Samples: UCC28950-Q1
FEATURES
1
Qualified for Automotive Applications AEC-Q100 Qualified With the Following
Results: – Device Temperature Grade 1: –40ºC to
125ºC Ambient Operating Temperature Range – Device HBM ESD Classification Level H2 – Device CDM ESD Classification Level C3B Enhanced Wide-Range Resonant Zero-Voltage Switching (ZVS) Capability Direct Synchronous Rectifier (SR) Control Light-Load Efficiency Management Including – Burst Mode Operation – Discontinuous Conduction Mode (DCM), Dynamic SR On/Off Control With Programmable Threshold – Programmable Adaptive Delay 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
APPLICATIONS
Phase-Shifted Full-Bridge Converters
Industrial Power Systems
High-Density Power Architectures
Solar Inverters and Electric Vehicles
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 ...
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