descriptionAN27592/9 1 Demonstration board descriptionTable 1.EVAL6227QR pin connectionsNameTypeFunctionVSPower supplyBridge A and bridge B power supply PGNDGroundPower ground terminalIN1ALogic inputBridge A logic input 1IN2ALogic inputBridge A logic input 2ENALogic inputBridge A enable (active high). When low, the power DMOSs of bridge A are switched OFF.IN1BLogic inputBridge B logic input 1IN2BLogic inputBridge B logic input 2ENBLogic inputBridge B enable (active high). When low, the power DMOSs of bridge B are switched OFF.DIAGAOpen drain outputBridge A diagnostic pin. When low, an overcurrent or overtemperature event of bridge A is signaled.DIAGBOpen drain outputBridge B diagnostic pin. When low, an overcurrent or overtemperature event of bridge B is signaled.SGNDGroundSignal ground terminalREFAAnalog inputBridge A current controller reference voltageREFBAnalog inputBridge B current controller reference voltageOUT1APower outputBridge A output 1OUT2APower outputBridge A output 2OUT1 features set forth in this document shall immediately voidany warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, anyliability of ST.ST and the ST logo are trademarks or registered trademarks of ST in various countries.Information in this document supersedes and replaces all information previously supplied.The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners. 2009 STMicroelectronics - All rights reservedSTMicroelectronics group of companiesAustralia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of Americawww.st.com specification of the application and Figure3 shows the electrical schematic.Table 2.EVAL6227QR electrical specification (recommended value)ParameterValueSupply voltage range (VS)8 to 52 VdcRMS outp