Document Number: MPC17517

Rev. 2.0, 7/2006

Freescale Semiconductor

Advance Information

* This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

© Freescale Semiconductor, Inc., 2006. All rights reserved.

1.0 A 6.8 V Dual Motor Driver IC

The 17517 is a monolithic triple totem-pole-output power IC

designed to be used in portable electronic applications to control

small DC motors and solenoids. The 17517 can operate efficiently

with supply voltages as low as 2.0 V to as high as 6.8 V. Its low

continuous drive currents of 1.0 A and handle peak currents up to

3.0 A. It is easily interfaced to low-cost MCUs via parallel 3.0 V- or

5.0 V-compatible logic. The device can be pulse width modulated

(PWM-ed) at up to 200 kHz.

The 17517 can drive two motors in two directions one at a time or

drive one motor in two directions and one solenoid with synchronous

rectification of freewheeling currents one at a time. Two-motor

operation is accomplished by hooking one motor between OUTA and

OUTB and hooking the other motor between OUTB and OUTC. Motor

plus solenoid operation is accomplished by hooking a motor between

OUTA and OUTB and a solenoid between OUTC and GND.

This device contains an integrated charge pump and level shifter

(for gate drive voltages), integrated shoot-through current protection

(cross-conduction suppression logic and timing), and undervoltage

detection and shutdown circuitry.

The 17517 has four operating modes: Forward, Reverse, Brake,

and Tri-Stated (High Impedance).

Features

•2.0 V to 6.8 V Continuous Operation

• Output Current 1.0 A (DC), 3.0 A (Peak)

•MOSFETs < 600 m

•3.0 V/5.0 V TTL-/CMOS-Compatible Inputs

• PWM Frequencies up to 200 kHz

• Undervoltage Shutdown

Figure 1. 17517 Simplified Application Diagram

DUAL MOTOR DRIVER

DTB SUFFIX

98ASH70247A

16-PIN TSSOP

17517

ORDERING INFORMATION

Device

Temperature

Package

MPC17517DTB/R2

-20°C to 65°C

16 TSSOP

VDD

Cres

C1L

C1H

C2L

C2H

IN2

IN1

EN1

OUTB

OUTA

OUTC

VM

GND

Solenoid

MCU

EN2

MOTOR

5.0 V

5.0 V

17517