BRD1261C

BridgeSwitch Family High-Voltage, Self-Powered, Half-bridge Motor Driver with Integrated Device Protection and System Monitoring Product Highlights HV+ Highest Performance and Design Flexibility Fully integrated half-bridge stage with up to 98% efficiency Eliminates external heat sink at rated continuous RMS current 600 V N-channel power FREDFETs Ultra-soft, fast recovery diode Accurate instantaneous phase current information output (BRD126X) Eliminates external sensing and amplification circuitry Self-biased low-side and high-side drivers Eliminates need for auxiliary power supply Small footprint surface mount inSOP-24C package Exposed pads enable heat sinking through PCB Controlled FREDFET switching speed reduces EMI VDD System MCU HS BPH Drive SM FAULT /INH INL IPH BPL LS Drive & Control ID SG HD XH HB XL LS BridgeSwitch Enhanced Safety and Reliability Features Adustable cycle-by-cycle current limit for both FREDFETs Fail-safe operation Internal dual level thermal overload protection Self-configuring system level monitoring input Four level DC bus undervoltage DC bus overvoltage System temperature HV- Figure 1. Typical 3-Phase Inverter Schematic (BRD126X). PI-8314-100518 Adaptive dead time Simultaneous conduction lockout protection Status Interface BridgeSwitchTM Bi-directional bussed open Drain single wire interface Reports status updates to system MCU Successful power-up Internal over-current or temper...