A3938
Three-Phase Power MOSFET Controller
FEATURES AND BENEFITS
▪ Drives a wide range of N-channel MOSFETs ▪ Low-side synchronous rectification ▪ Power MOSFET protection ▪ Adjustable dead time for cross-conduction protection ▪ Selectable coast or dynamic brake on power-down or
RESET input ▪ Fast/slow current decay modes ▪ Internal PWM current control ▪ Motor lead short-to-ground protection ▪ Internal 5 V
regulator ▪ Fault diagnostic output ▪ Thermal shutdown ▪ Undervoltage protection
Package 38-pin TSSOP (suffix LD):
Not to scale
DESCRIPTION
The A3938 is a three-phase, brushless DC motor controller.
It has a high-current gate drive capability that allows driving of a wide range of power MO...