SLVSF07 July 2021 TPS7H5001-SP
The TPS7H5001-SP is a radiation-hardness-assured dual output current mode PWM controller that can be utilized for designing space-grade DC-DC converters. The device should be paired with external gate drivers in order to provide control of the power semiconductor switching device(s) of the converter power stage. By allowing for switching frequencies up to 2 MHz and providing the capability to configure the leading edge blank time using a resistor, the controller provides many advantages for GaN power semiconductor based converter designs. The TPS7H5001-SP can be used for the design of a number of common DC-DC converter topologies, including but not limited to: buck, flyback, forward, active-clamp forward, push-pull, and full-bridge. The duty cycle limit of the device can be configured to be compatible with the selected topology using the DCL pin. With integrated synchronous rectification outputs for both of the main switching outputs, the controller enables the design of fully synchronous versions of each of the supported topologies. As such, the dead time can also be adjusted with an external resistor using the controller in order to optimize the overall converter efficiency.