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MIC4605

Micrel Semiconductor
Part Number MIC4605
Manufacturer Micrel Semiconductor
Description 85V Half-Bridge MOSFET Drivers
Published Aug 13, 2014
Detailed Description MIC4605 85V Half-Bridge MOSFET Drivers with Adaptive Dead Time and Shoot-Through Protection General Description The MIC...
Datasheet PDF File MIC4605 PDF File

MIC4605
MIC4605

Overview
MIC4605 85V Half-Bridge MOSFET Drivers with Adaptive Dead Time and Shoot-Through Protection General Description The MIC4605 is an 85V half-bridge MOSFET driver that features adaptive-dead-time and shoot-through protection.
The adaptive-dead-time circuitry actively monitors the halfbridge outputs 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 on at the same time.
The MIC4605 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 batterypowered applications.
Additionally, the MIC4605’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 MIC4605 is available in an 8-pin SOIC package and a tiny 10-pin 2.
5mm × 2.
5mm TDFN package.
Both packages have an operating junction temperature range of –40°C to +125°C.
Datasheets and support documentation are available on Micrel’s web site at: www.
micrel.
com.
Features • 5.
5V to 16V gate drive supply voltage range • Advanced adaptive-dead-time • Intelligent shoot-through protection − MIC4605-1: Dual TTL inputs − MIC4605-2: Single PWM input • Enable input for on/off control • On-chip bootstrap diode • Fast 35ns propagation times • Drives 1000pF load with 20ns rise and fall times • Low power consumption: 135µA quiescent current • Separate high- and low-side undervoltage protection • –40°C to +125°C junction temperature range Applications • • • • • • Fans Power inverters High-voltage step-down regulators Half-, full-, and three-phase bridge motor drives Appliances E-bikes MIC4605 Door Lock/Unlock Module Micrel Inc.
• 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.
micrel.
com November 11, 2013 Revision 1.
0 Micrel, Inc.
MIC4605 Ordering Informat...


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