RDK-853 Power Integrations

Reference Design Report for a 3-Phase TM Inverter Using BridgeSwitch BRD1265C Title TM and LinkSwitch -TN2 LNK3204D in FOC Operation 340 VDC Input, 300 W Continuous Three Phase Specification Inverter Output Power, 1 A Continuous Motor RMS Phase Current Application High-Voltage Brushless DC (BLDC) Motor Drive Author Applications Engineering Department Document No. RDR-853 Date July 8, 2020 Revision 1.1 Summary and Features BridgeSwitch high-voltage half-bridge motor driver Integrated 600 V FREDFETs with ultra-soft, fast recovery diodes No heat sink Fully self-biased operation simplifies auxiliary power supply but can also support external bias operation as needed High-side and low-side cycle-by-cycle current limit Two level device over-temperature protection High-voltage bus monitor with four undervoltage threshold and one overvoltage threshold System level temperature monitor Single wire status update communication bus Supports any microcontroller (MCU) for sensorless field oriented control (FOC) through the signal interface Instantaneous phase current output signal for each BridgeSwitch Fault reporting for each device through the FAULT BUS pin on the interface. +5 V supply ready through the interface Power Integrations, Inc. 5245 Hellyer Avenue, San Jose, CA 95138 USA. Tel: +1 (408) 414-9200 Fax: +1 (408) 414-9201 www.power.com RDR-853 BridgeSwitch BRD1265C 3-Phase Inverter 08-Jul-20 PATENT INFORMATION The products and applications illustrated herein (including transformer construction and circuits external to the products) may be covered by one or more U.S. and foreign patents, or potentially by pending U.S. and foreign patent applications assigned to Power Integrations. A complete list of Power Integrations patents may be found at www.power.com. Power Integrations grants its customers a license under certain patent rights as set forth at