參數(shù)資料
型號(hào)： 17550
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
元件分類(lèi)： 基準(zhǔn)電壓源/電流源
英文描述： Quad H-Bridge Micromotor Driver with DC/DC Boost Converter
中文描述： 四H橋直流微電機(jī)驅(qū)動(dòng)器/ DC升壓轉(zhuǎn)換器
文件頁(yè)數(shù)： 1/15頁(yè)
文件大?。?/td> 212K
代理商： 17550
Document Number: MPC17550
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.
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
max @ 25°C. In addition, it can be set into a very low current-
drain standby mode.
The H-Bridge outputs can be independently PWM’ed 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
Low Total R
DS(ON)
0.7
(Typ), 1.2
(Max) @ 25°C
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
Figure 1. 17550 Simplified Application Diagram
H-BRIDGE MOTOR DRIVER
EV SUFFIX (Pb-FREE)
98ASA10591D
36-TERMINAL VMFP
17550
ORDERING INFORMATION
Device
Temperature
Range (T
A
)
Package
MPC17550EV/EL
-10°C to 60°C
36 VMFP
VDD
LX
V
M
V
DD
INDR
INDF
HBDR
HBDF
INCR
INCF
HBCR
HBCF
INBR
INBF
INAR
INAF
HBAR
HBBF
HBAF
HBBR
PSB
VG
VM
GND
MCU
OE
17550
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