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17531A - dual H-Bridge motor driver

Datasheet Summary

Description

of each pin can be found in the Functional Pin Description section beginning on page 9.

Table 2.

Control circuit power supply pin.

Features

  • built-in shoot-through current protection and an undervoltage shutdown function. The 17531A has four operating modes: Forward, Reverse, Brake, and Tri-state (high-impedance). The 17531A has a low total RDS(on) of 1.2 Ω (max at 25 °C). The 17531A efficiently drives many types of micromotors with low power dissipation owing to its low output resistance and high output slew rates. The HBridge outputs can be independently pulse width modulated (PWM’ed) at up to 200 kHz for speed/torque and current c.

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Datasheet Details

Part number 17531A
Manufacturer NXP
File Size 1.04 MB
Description dual H-Bridge motor driver
Datasheet download datasheet 17531A Datasheet
Additional preview pages of the 17531A datasheet.

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Full PDF Text Transcription

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NXP Semiconductors Technical Data 700 mA dual H-Bridge motor driver with 3.0 V compatible logic I/O The 17531A is a monolithic dual H-Bridge power IC ideal for portable electronic applications containing bipolar step motors and/or brush DC motors (e.g., cameras and disk drive head positioners). The 17531A operates from 2.0 to 8.6 V using the internal charge pump, with independent control of each H-Bridge, via a parallel MCU interface. The device features built-in shoot-through current protection and an undervoltage shutdown function. The 17531A has four operating modes: Forward, Reverse, Brake, and Tri-state (high-impedance). The 17531A has a low total RDS(on) of 1.2 Ω (max at 25 °C).
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