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MIC4606

Microchip
Part Number MIC4606
Manufacturer Microchip
Description 85V Full-Bridge MOSFET Drivers
Published May 12, 2018
Detailed Description MIC4606 85V Full-Bridge MOSFET Drivers with Adaptive Dead Time and Shoot-Through Protection Features • 5.5V to 16V Gate...
Datasheet PDF File MIC4606 PDF File

MIC4606
MIC4606

Overview
MIC4606 85V Full-Bridge MOSFET Drivers with Adaptive Dead Time and Shoot-Through Protection Features • 5.
5V to 16V Gate Drive Supply Voltage Range • Advanced Adaptive Dead Time • Intelligent Shoot-Through Protection • MIC4606-1: 4 Independent TTL Inputs • MIC4606-2: 2 PWM Inputs • Enable Input for On/Off Control • On-Chip Bootstrap Diodes • Fast 35 ns Propagation Times • Drives 1000 pF Load with 20 ns Rise and Fall Times • Low Power Consumption: 235 µA Total Quiescent Current • Separate High- and Low-Side Undervoltage Protection • –40°C to +125°C Junction Temperature Range Applications • Full-Bridge Motor Drives • Power Inverters • High Voltage Step-Down Regulators • Distributed Power Systems • Stepper Motors General Description The MIC4606 is an 85V full-bridge MOSFET driver that features adaptive dead time and shoot-through protection.
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 battery-powered applications.
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 4 mm x 4 mm QFN and a 16-pin 4 mm x 5 mm TSSOP package with an operating temperature range of –40°C to +125°C.
Typical Application Circuit 12VDC MIC4606 4x4 QFN (12V Motor Drive Configuration) J1 POWER MIC5283 LDO 12V TO 3.
3V 3.
3VDC VDD μC FWD REV I/O I/O J2 COMMUNICATIONS VSS ...


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