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A4935KJP-T

Motor IC, 3 Phase Bridge, 3V-5.5V Supply, 150mA Out, 90ns Delay, LQFP-48

A4935KJP-T - Motor IC, 3 Phase Bridge, 3V-5.5V Supply, 150mA Out, 90ns Delay, LQFP-48

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Manufacturer Part No:
A4935KJP-T
Order Code:
1650234
Technical Datasheet:
A4935KJP-T   Datasheet
See all Technical Docs

Product Overview

The A4935KJP-T is a 3-phase Motor Driver for use with N-channel external power MOSFETs. Unique charge pump regulator provides full (>10V) gate drive for battery voltages down to 7V and allows the A4935 to operate with a reduced gate drive, down to 5.5V. A bootstrap capacitor is used to provide the above-battery supply voltage required for N-channel MOSFETs. An internal charge pump for the high-side drive allows DC (100% duty cycle) operation. Full control over all six power FETs in the 3-phase bridge is provided, allowing motors to be driven with block commutation or sinusoidal excitation. The power FETs are protected from shoot-through by integrated crossover control and resistor-adjustable dead time. Bridge current can be measured using an integrated current sense amplifier. This is an uncommitted differential amplifier with a below-ground common mode range allowing it to be used in low-side current sense applications. Gain and offset are defined by external resistors.
  • Cross-conduction protection with adjustable dead time
  • Top-OFF charge pump for 100% PWM
  • Charge pump for low supply voltage operation
  • Uncommitted current sense amplifier
  • Compatible with 3.3 and 5V logic
  • Extensive diagnostics output
  • Low-current sleep mode

Applications

Motor Drive & Control, Automotive

Product Information

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:
3 Phase Bridge

:
150mA

:
3V

:
5.5V

:
LQFP

:
48Pins

:
90ns

:
90ns

:
-40°C

:
150°C

:
-

:
-

:
MSL 2 - 1 year
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Technical Docs (1)

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