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MIC4606 Datasheet(PDF) 1 Page - Microchip Technology |
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MIC4606 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 40 page  2017-2019 Microchip Technology Inc. DS20005604D-page 1 MIC4606 Features • 5.5V to 16V Gate Drive Supply Voltage Range • Advanced Adaptive Dead Time • Intelligent Shoot-Through Protection • MIC4606-1: Four Independent TTL Inputs • MIC4606-2: Two 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-Side 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 protec- tion. 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 device’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 MIC4606-1 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 package, 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 μC MIC4606 M V DD 5.5V-85V MIC28511 V OUT V IN 12V MCP1826 V OUT V IN 3.3V BHI BLI AHI ALI BHB BHO BHS BLO AHB AHO AHS ALO MIC4606 (DC Motor Drive Application) 85V Full-Bridge MOSFET Drivers with Adaptive Dead Time and Shoot-Through Protection |
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