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ALLEGRO MICROSYSTEMS  A3961SB  MOTOR DRIVER DUAL PWM, 3961, DIP24

ALLEGRO MICROSYSTEMS A3961SB
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The A3961SB is a dual full-bridge PWM Motor Driver designed for pulse-width modulated current control of bipolar stepper motor and the A3961S is capable of continuous output currents to ±800mA and operating voltages to 45V. Internal fixed OFF-time PWM current-control circuitry can be used to regulate the maximum load current to a desired value. An internal precision voltage reference is provided to improve motor peak current control accuracy. The peak load current limit is set by the user's selection of an external resistor divider and current-sensing resistors. The fixed OFF-time pulse duration is set by user-selected external RC timing networks. The capacitor in the RC timing network also determines user-selectable blanking window that prevents false triggering of the PWM current control circuitry during switching transitions. This eliminates the need for two external RC filter networks on the current-sensing comparator inputs.
  • Internal PWM current control, saturated sink driver
  • Internally generated precision 2.5V reference
  • Internal transient-suppression diodes
  • Internal thermal-shutdown circuitry
  • Crossover-current protection, UVLO protection

Tooteteave

Motor Type:
Stepper
No. of Outputs:
2Outputs
Output Current:
800mA
Output Voltage:
45V
Driver Case Style:
DIP
No. of Pins:
24Pins
Supply Voltage Min:
5V
Supply Voltage Max:
45V
Operating Temperature Min:
-20°C
Operating Temperature Max:
85°C
Packaging:
Each
Product Range:
-
Automotive Qualification Standard:
-
MSL:
-
SVHC:
No SVHC (15-Jun-2015)

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Rakendused

  • Motor Drive & Control

Seadusandlus ja keskkonnateave

Niiskustundlikkuse tase:
-
Päritoluriik:
Philippines

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Tariifi nr:
85235290
Kaal (kg):
.000001

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