1 Features

• Four-channel integrated low-side switches

– 140mΩ RDS(ON) at 25°C

– Operating supply voltage range: 4.5V to 65V (70V absolute maximum)

– Selectable current limit from 0.5A up to 4A

– Fast PWM switching up to 500kHz

• Flexible interface options:

– Hardware interface with independent channel PWM input

– SPI enables reduction in GPIO and isolation overhead for high channel count designs

• Integrated catch diodes for flexible decay modes with optional external TVS/Zener diode as alternate current path on switch turnoff

• Slew rate configurable (100ns – 1500ns) enables both slow/fast switching applications

• Diagnostic feedback

– MCU fault interrupt signal (nFAULT)

– Per channel fault report available through SPI

• Protection Features

– User settable current limit

– Independent overtemperature and overcurrent protection for each channel

– Configurable overcurrent cut-off delay (COD): 0.5ms - 2ms