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MPC17550 Datasheet

  • MPC17550

  • Quad H-Bridge Micromotor Driver with DC/DC Boost Converter

  • 16頁(yè)

  • MOTOROLA   MOTOROLA

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Freescale Semiconductor, Inc.
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Document order number: MPC17550
Rev 1.0, 03/2004
Advance Information
Quad H-Bridge Micromotor Driver
with DC/DC Boost Converter
The 17550 is a monolithic quad H-Bridge power IC ideal for portable
electronic applications containing tiny bipolar stepper motors and/or brush
DC-motors powered by two-to-four cell NiCd/NiMH batteries.
The 17550 operates from 2.5 V to 5.5 V, with independent control of each
H-Bridge via parallel 3.0 V or 5.0 V logic-compatible I/O. The device features
an on-board DC/DC boost converter that allows motor operation all the way
down to 1.6 V (the boost converter supplies the gate-drive voltage for each of
the four independent H-bridge output stages). Each output bridge has its own
gate-drive and logic circuitry with built-in shoot-through current protection.
The 17550 has four operating modes: Forward, Reverse, Brake, and
Tri-Stated (High Impedance). The 17550 has a low total R
DS(ON)
of 1.2
鈩?/div>
max
@ 25擄C. In addition, it can be set into a very low current-drain standby mode.
The H-Bridge outputs can be independently PWM鈥檈d at up to 200 kHz for
speed/torque and current control. The 17550 can efficiently drive many types
of micromotors owing to its low output resistance and high output slew rates.
Features
鈥?Low Total R
DS(ON)
0.7
鈩?/div>
(Typ), 1.2
鈩?/div>
(Max) @ 25
擄C
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Output Current 700 mA (Continuous per Output)
Shoot-Through Current Protection Circuit
PWM Control Input Frequency up to 200 kHz
Built-In DC/DC Boost Converter
Low Power Consumption Standby Mode
Undervoltage Detection and Shutdown Circuit
Pb-Free Packaging Designated by Suffix Code EV
Simplified Application Diagram
17550
QUAD H-BRIDGE MICROMOTOR
DRIVER WITH DC/DC BOOST
CONVERTER
Freescale Semiconductor, Inc...
EV (Pb-FREE) SUFFIX
CASE 1522-01
36-LEAD VMFP
ORDERING INFORMATION
Device
MPC17550EV/EL
Temperature
Range (T
A
)
-10擄C to 60擄C
Package
36 VMFP
17550 Simplified Application Diagram
V
M
17550
VM
OE
PSB
V
DD
V
DD
LX
VG
MCU
INAF
INAR
INBF
INBR
INCF
INCR
INDF
INDR
HBAF
HBAR
HBBF
HBBR
HBCF
HBCR
HBDF
HBDR
GND
This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
漏 Motorola, Inc. 2004
For More Information On This Product,
Go to: www.freescale.com

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