STMicroelectronics EVLSTACF01-65WU USB-PD Demonstration Board STACF01
STMicroelectronics EVLSTACF01-65WU USB-PD Demonstration Board STACF01 is a 65W Active Clamp Flyback (ACF) converter designed to evaluate the STACF01 ACF controller. The STMicroelectronics EVLSTACF01-65WU board can receive a universal AC input voltage and provides a selectable output voltage based on the USB PD specifications, from 5V to 20V. On the primary side, the STACF01 is paired with the MasterGaN1L, a 600V half-bridge enhancement-mode GaN HEMT with high-voltage drivers. The STACF01 integrates a buck boost that allows the device to achieve low standby power consumption with a single transformer’s auxiliary winding. The STACF01 also integrates an 800V-rated high-voltage startup and offers a full set of protections and features, such as AC brownout, X-CAP discharge, overload/short-circuit protection, and output overvoltage protection. Synchronous rectification based on the SRK1004 is employed on the secondary side to enhance efficiency.
Features
- Evaluates the STACF01 non-complementary active clamp flyback controller
- Universal 90VAC to 264VAC input voltage range, 47Hz to 63Hz
- 65W maximum output power
- 5VDC, 9VDC, 12VDC, 15VDC, and 20VDC selectable output voltage options
- 93.7% full load peak efficiency at 230VAC
- Standby power consumption
- 46mW at 115VAC
- 62mW at 230VAC
- Onboard components
- STACF01 AFC controller
- MasterGaN1L 600V half-bridge enhancement-mode GaN HEMT with high-voltage driver
- SRK1004 synchronous rectifier controller for the ACF
Applications
- AC-DC adapters for smartphones, laptops, and other handheld devices
- Offline switched-mode power supplies (SMPS)
Related Products
STMicroelectronics STACF01A/STACF01B Flyback Controller ICs
These devices are used to drive and control active clamp flyback converters.
STMicroelectronics MASTERGAN GaN Half-Bridge High Voltage Drivers
Integration of a gate driver and 2x enhancement-mode GaN transistors in a half-bridge configuration.
STMicroelectronics SRK1004 Synchronous Rectifier Controllers
Intended for secondary side synchronous rectification (SR) in various flyback converters.
Complete Your Design
STMicroelectronics Standard Products
A broad range of drop-in replacements for general-purpose analog ICs, discretes, and serial EEPROMs.
Published: 2025-01-22
| Updated: 2025-03-14