TIDRV8412高性能双路全桥马达驱动方案TI公司的DRV8412/22/32是集成了先进保护系统的高性能双路全桥马达驱动器,功率级的效率高达成协97%.DRV8412/22/32需要两个电源,12V用于GVDD和VDD,,DRV8422双路全桥模式2x5A或并联10A连续模式,DRV8432双路全桥模式2x7A或并联14A连续模式,PWM频率高达500kHz,主要用于无刷DC和步进马达,三相永磁同步马达,机器人和触感力控制系统,,系统方框图,简化应用电路图,全桥模式和并行全桥模式工作的应用框图,步进马达工作的应用框图,,(on) oftheH-BridgeMOSFETsandintelligentgatedrivedesign,theefficiencyofthesemotordriverscanbeupto97%,whichenablestheuseofsmallerpowersuppliesandheatsinks,,oneat12 VDDandVDD,andanotherupto50 -:High-EfficiencyPowerStage(upto97%)withLowRDS(on) MOSFETs(80m atTJ =25℃) OperatingSupplyVoltageupto50V(70VAbsoluteMaximum) DRV8412(powerpaddown):upto2x3AContinuousOutputCurrent(2x6APeak)inDualFullBridgeModeor6AContinuousCurrentinParallelMode(12APeak) DRV8422(powerpadup):upto2x5AContinuousOutputCurrent(2x9APeak)inDualFullBridgeModeor10AContinuousCurrentinParallelMode(18APeak) DRV
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