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34933

Part Number	34933
Manufacturer	NXP
Description	1.4A Dual H-Bridge Driver
Published	Oct 18, 2018
Detailed Description	Freescale Semiconductor Technical Data Document Number: MC34933 Rev. 3.0, 9/2014 1.4 A Dual H-Bridge Driver Compatibl...
Datasheet	34933 PDF File

Overview

Freescale Semiconductor Technical Data Document Number: MC34933 Rev.
3.
0, 9/2014 1.
4 A Dual H-Bridge Driver Compatible with 3.
0 V Logic 34933 The 34933 is a two channel H-Bridge driver aimed at the digital camera market.
There are a variety of applications containing bipolar step motors and/or brush DC motors, such as Auto Focus control for the digital camera lens.
The 34933 uses Freescale's proprietary SMARTMOS process to deliver a low-power device, with a maximum quiescent current of 100 A for the motor drive supply and 400A for the control logic supply.
H-BRIDGE DRIVER The 34933 VM supply operates from 2.
0 V to 7.
0 V using an internal charge pump, with independent control of each H-Bridge driver via the MCU (IN1A, IN1B, IN2A, IN2B).
The 34933 has a low total RDS(on) of 1.
0  (max.
at 25 °C).
Shoot-through current protection is a built-in feature for the 34933 device.
The 34933 has four operation modes: forward, reverse, brake, and tri-state (high-impedance).
The 34...

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