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ALLEGRO MICROSYSTEMS  A4970SLBTR-T  MOTOR DRIVER, FULL BRIDGE, 750mA, WSOIC-24

ALLEGRO MICROSYSTEMS A4970SLBTR-T

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Product Overview

The A4970SLBTR-T is a dual full-bridge PWM Motor Driver drives both windings of a bipolar stepper motor or bidirectionally controls two DC motors. Both bridges are capable of sustaining 45V and include internal pulse-width modulation (PWM) control of the output current to 750mA. For PWM current control, the maximum output current is determined by user selection of a reference voltage and sensing resistor. Two logic-level inputs select output current limits of 0, 33, 67 or 100% of the maximum level. A PHASE input to each bridge determines load current direction. Intrinsic diodes in the MOSFET output structure protect against inductive transients. Internally generated delays prevent crossover currents when switching current direction. Special power-up sequencing is not required. Thermal protection circuitry disables the outputs if the chip temperature exceeds safe operating limits.
  • Internal clamp diodes
  • Internal PWM current control
  • Low output saturation voltage
  • Internal thermal shutdown circuitry
  • Pin-compatible with UDx2916
  • DMOS outputs

Applications

Computers & Computer Peripherals; Industrial; Communications & Networking

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Product Information

Motor Type:
Full Bridge
No. of Outputs:
2Outputs
Output Current:
750mA
Output Voltage:
45V
Driver Case Style:
WSOIC
No. of Pins:
24Pins
Supply Voltage Min:
7.45V
Supply Voltage Max:
45V
Operating Temperature Min:
-20°C
Operating Temperature Max:
85°C
Packaging:
Cut Tape
Product Range:
-
MSL:
-
Supply Voltage Range:
7.45V to 45V
SVHC:
No SVHC (15-Jun-2015)

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Legislation and Environmental

Moisture Sensitivity Level:
-
Product Traceability
RoHS Compliant:
Yes

Applications

  • Computers & Computer Peripherals;
  • Industrial;
  • Communications & Networking

Substitutes

MOTOR DRIVER, FULL BRIDGE, 750mA, WSOIC-24, FULL REEL

ALLEGRO MICROSYSTEMS

0

Price for: Each (Supplied on Full Reel)

3000+ $2.36 6000+ $2.20 9000+ $2.08

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MOTOR DRIVER, FULL BRIDGE, 750mA, WSOIC-24, FULL REEL

ALLEGRO MICROSYSTEMS

Awaiting Delivery

Price for: Each (Supplied on Full Reel)

2000+ $2.43

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