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38000

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 MICROSTEPPING MODE· BUILT-IN PROTECTION DIODES· INTERNAL PWM CURRENT CONTROL· LOW OUTPUT SATURATION VOLTAGE· DESIGNED FOR UNSTABILIZED...

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SeekIC No. : 004229264 Detail

38000: 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 MICROSTEPPING MODE· BUILT-IN PROTE...

38000 Data Sheet

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Part Number:
38000
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/26

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Product Details

Description



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 MICROSTEPPING MODE
· BUILT-IN PROTECTION DIODES
· INTERNAL PWM CURRENT CONTROL
· LOW OUTPUT SATURATION VOLTAGE
· DESIGNED FOR UNSTABILIZED MOTOR SUPPLY VOLTAGE
· INTERNAL THERMAL SHUTDOWN


Pinout

Connection Diagram


Specifications

Symbol Parameter Value Unit
VS Supply Voltage 30 V
Io Output Current (peak) ±1 A
Io Output Current (continuous) ±0.3 A
VSS Logic Supply Voltage 7 V
VIN Logic Input Voltage Range -0.3 to VSS V
Vsense Sense Output Voltage 1.5 V
TJ Junction Temperature +150
Top Operating Temperature Range -20 to +85
Tstg Storage Temperature Range -55 to +150



Description

The 38000 is a bipolar monolithic integrated circuits intended to control and drive both winding of a bipolar tepper 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-widthmodulation (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.




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