A4989
Dual Full-Bridge
MOSFET Driver with Microstepping Translator
FEATURES AND BENEFITS
▪ 2-wire step and direction interface ▪ Dual full-bridge gate drive for N-channel
MOSFETs ▪ Operation over 12 to 50 V supply
voltage range ▪ Synchronous rectification ▪ Cross-conduction protection ▪ Adjustable mixed decay ▪ Integrated sinusoidal DAC current reference ▪ Fixed off-time PWM current control ▪ Enhanced low current control when microstepping ▪ Pin compatible with the A3986
PACKAGE: 38 pin TSSOP (suffix LD)
Approximate footprint
DESCRIPTION
The A4989 is a dual full-bridge gate driver with integrated microstepping translator suitable for driving a wide range of higher power industrial bipolar ...