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A3941KLPTR-T

MOSFET Driver, Full Bridge, 5.5V-50V Supply, 90ns Delay, TSSOP-28

ALLEGRO MICROSYSTEMS A3941KLPTR-T

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Manufacturer Part No:
A3941KLPTR-T
Order Code:
2057409
Technical Datasheet:
A3941KLPTR-T   Datasheet
See all Technical Docs

Product Overview

The A3941KLPTR-T is a full bridge MOSFET driver in 28 pin TSSOP package. This is a full bridge controller for use with external N channel power MOSFETs. A unique charge pump regulator provides full gate drive (greater than 10V) for battery voltages down to 7V and allows the A3941 to operate with reduced gate drive down to 5.5V. A bootstrap capacitor is used to provide above battery supply voltage required for N channel MOSFETs. An internal charge pump for high side drive allows DC (100% duty cycle) operation. Integrated diagnostics provide indication of undervoltage, overtemperature, power bridge faults and can be configured to protect power MOSFETs under most short circuit conditions.
  • High side or low side PWM switching
  • Charge pump for low supply voltage operation
  • Top off charge pump for 100% PWM
  • Cross conduction protection with adjustable dead time
  • Supply voltage range from 5.5V to 50V
  • 90ns turn off propagation delay
  • 90ns turn on propagation delay
  • Diagnostics output
  • Low current sleep mode
  • Operating temperature range from -40°C to 150°C

Applications

Automotive

Product Information

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Full Bridge

:
-

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5.5V

:
50V

:
TSSOP

:
28Pins

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90ns

:
90ns

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-40°C

:
150°C

:
-

:
-

:
-
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Technical Docs (2)

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