Full-bridge 85V MOSFET drivers feature adaptive dead-time and shoot-through protection

Featuring adaptive dead time and shoot-through protection, Micrel's MIC4606 85V full-bridge MOSFET drivers are now stocked by Mouser. The adaptive dead-time circuitry actively monitors both sides of the full-bridge to minimize the time between high-side and low-side MOSFET transitions, thus maximizing power efficiency. Anti-shoot-through circuitry prevents erroneous inputs and noise from turning both MOSFETs of each side of the bridge on at the same time. The MIC4606 also offers a wide 5.5V to 16V operating supply range to maximize system efficiency. The low 5.5V operating voltage allows longer run times in applications such as full-bridge motor drivers, power inverters, high-voltage step-down regulators, distributed power systems and stepper motors. Additionally, the MIC4606's adjustable gate drive sets the gate drive voltage to VDD for optimal MOSFET RDS(ON), which minimizes power loss due to the MOSFET's RDS(ON). The MC4606-1 features four independent inputs while the MIC4606-2 utilizes two PWM inputs, one for each side of the H-bridge. The MIC4606-1 and MIC4606-2 are available in a 16-pin 4mmx4mm QFN package with an operating temperature range of -40C to 125C.