UCD7138 Description
The UCD7138 device is a 4-A and 6-A single-channel MOSFET driver with body-diode conduction sensing and reporting and is a high performance driver that allows the Texas Instruments UCD3138A digital PWM controller to achieve advanced synchronousrectification (SR) control. The device contains a highspeed gate driver, a body-diode conduction-sensing circuit, and a turnon delay optimization circuit. The device is...
UCD7138 Key Features
- 1 Low-Side Gate Driver With Body-Diode Conduction Sensing
- Gate Turnoff Edge Body-Diode Conduction Reporting
- Gate Turnon Edge Delay Optimization
- Works Together With the Dead-Time
- Negative Current Protection
- 150-mV Body-Diode Conduction Sensing Threshold
- Able to Sense Body Diode Conduction Times as Low as 10 ns
- 4-A Peak-Source and 6-A Peak-Sink Drive Current
- Fast Propagation Delays (14-ns Typical)
- Fast Rise and Fall Times (5-ns Typical)