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L6285S Datasheet

  • L6285S

  • 3 CHANNELS MULTIPOWER SYSTEM

  • 16頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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L6285
3 CHANNELS MULTIPOWER SYSTEM
ADVANCE DATA
CHANNEL-A AND CHANNEL-B FOR UNIPO-
LAR STEPPER MOTORS
鈥?LOW SIDE: R
DSON
= 1.2鈩?/div>
鈥?HIGH SIDE ; R
DSON
= 1.2鈩?/div>
CHANNEL-C FOR DC MOTORS
鈥?LOW SIDE: R
DSON
= 1.7鈩?/div>
鈥?HIGH SIDE: R
DSON
= 1.2鈩?/div>
CHOPPING MODE DRIVING FOR C.L. CUR-
RENT CONTROL ON CHA AND CHB AND
O.L. VOLTAGE CONTROL ON CHC.
INTERNAL FOUR DRIVING LATCHES
16 BIT INTERNAL SHIFT REGISTER
DIRECT INTERFACE TO
碌P
SERIAL DRIVING SEQUENCE LOADING
CMOS COMPATIBLE INPUTS
PRE-ALARM OUTPUT SIGNAL
THERMAL SHUTDOWN
DESCRIPTION
This Combo Motor Driver uses large scale inte-
gration to incorporate several functions into the
same chip.
1) Two unipolar stepper motor driver
2) A full bridge DC motor driver
BLOCK DIAGRAM
MULTIPOWER BCD TECHNOLOGY
PLCC44
SDIP42
ORDERING NUMBERS:
L6285
L6285S
3) Serial microprocesor interface
The power output stages are DMOS and the input
can be interfaced to a CMOS Microprocessor
logic.
The phase current in the unipolar stepper motor
windings is controlled by two external sensing re-
sistors in fixed frequency chopping mode. The os-
cillator block provides clocks each other 180擄 out
of phase to the two stepper motor driver in order
to avoid symultaneous current peaks.
For the DC motor driver is used a bridge; the
RMS voltage to supply this motor is fixed by a
May 1994
1/16
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

L6285S相關(guān)型號PDF文件下載

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  • 英文版
    THREE CHANNELS MULTIPOWER DRIVER SYSTEM
    STMICROELECTRONICS
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    THREE CHANNELS MULTIPOWER DRIVER SYSTEM
    STMICROELECTRON...
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    3 CHANNELS MULTIPOWER SYSTEM
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    3 CHANNELS MULTIPOWER SYSTEM
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  • 英文版
    Subminiature LED
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    Subminiature LED
    HAMAMATSU ...
  • 英文版
    Miniature LED
    HAMAMATSU
  • 英文版
    POWER COMBO DRIVER
    STMICROELECTRONICS
  • 英文版
    POWER COMBO DRIVER
    STMICROELECTRON...
  • 英文版
    Miniature LED
    HAMAMATSU ...
  • 英文版
    3 CHANNELS MULTIPOWER SYSTEM
    STMICROELECTRONICS
  • 英文版
    3 CHANNELS MULTIPOWER SYSTEM
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