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L6219R013TR 数据表(PDF) 1 Page - STMicroelectronics

部件名 L6219R013TR
功能描述  Stepper motor driver
Download  16 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6219R013TR 数据表(HTML) 1 Page - STMicroelectronics

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June 2006
Rev 3
1/16
1
L6219R
Stepper motor driver
Features
Able to drive both windings of bipolar stepper
motor
Output current up to 500mA each winding
Wide voltage range 4.5V to 10V
HAlf-step, full-step and microstepp-ing mode
Built-in protection diodes
Internal pwm current control
Low output saturation voltage
Designed for unstabilized motor supply voltage
Internal thermal shutdown
Description
The L6219R is a bipolar monolithic integrated
circuits intended to control and drive both winding
of a bipolar stepper motor or bidirectionally control
two DC motors.The L6219R with a few external
components form a complete control and drive
circuit for LS-TTL or microprocessor controlled
stepper motor system.The power stage is a dual
full bridge capable of sustaining 10V and
including four diodes for current recirculation.
A cross conduction protection is provided to avoid
simultaneous cross conduction during switching
current direction.
An internal pulse-width-modulation (PWM)
controls the output current to 500mA with peak
start-up current up to 1A. Wide range of current
control from 500mA (each bridge) is permitted by
means of two logic inputs and an external voltage
reference. A phase input to each bridge
determines the load current direction. A thermal
protection circuitry disables the outputs if the chip
temperature exceeds safe operating limits.
Order codes
SO-24 (20+2+2)
Part number
Package
Packing
L6219R
SO-24
Tube
L6219R013TR
SO-24
Tape & reel
E-L6219R(1)
1.
Lead free package (ECOPACK®) see Chapter 5.
SO-24
Tube
E-L6219R013TR (1)
SO-24
Tape & reel
www.st.com


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