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Part Number
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A3985 |
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Manufacturer
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Allegro MicroSystems |
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Description
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Digitally Programmable Dual Full-Bridge MOSFET Driver |
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Published
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Mar 31, 2007 |
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Detailed Description
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A3985
Digitally Programmable Dual Full-Bridge MOSFET Driver
FEATURES AND BENEFITS
▪ Serial interface for full digital c...
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Datasheet
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A3985
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Overview
A3985
Digitally Programmable Dual Full-Bridge MOSFET Driver
FEATURES AND BENEFITS
▪ Serial interface for full digital control ▪ Dual full-bridge gate drive for N-channel MOSFETs ▪ Dual 6-bit DAC current reference ▪ Operation over 12 to 50 V supply voltage range ▪ Synchronous rectification ▪ Cross-conduction protection ▪ Adjustable mixed decay ▪ Fixed off-time PWM current control ▪ Low-current idle mode
PACKAGE: 38-pin TSSOP (suffix LD)
Not to scale
DESCRIPTION
The A3985 is a flexible dual full-bridge gate driver suitable for driving a wide range of higher power industrial bipolar 2-phase stepper motors or 2-phase brushless dc motors.
It can also be used to drive two individual torque motor...
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