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UDN2917

Allegro
Part Number UDN2917
Manufacturer Allegro
Description DUAL FULL-BRIDGE PWM MOTOR DRIVER
Published Aug 18, 2005
Detailed Description 2 91 7 LOGIC SUPPLY DUAL FULL-BRIDGE PWM MOTOR DRIVER The UDN2917EB motor driver is designed to drive both windings of ...
Datasheet PDF File UDN2917 PDF File

UDN2917
UDN2917

Overview
2 91 7 LOGIC SUPPLY DUAL FULL-BRIDGE PWM MOTOR DRIVER The UDN2917EB motor driver is designed to drive both windings of a bipolar stepper motor or bidirectionally control two dc motors.
Both bridges are capable of sustaining 45 V and include internal pulse-width modulation (PWM) control of the output current to 1.
5 A.
39 PWM 1 38 37 1 36 35 34 33 GND Data Sheet 29319.
22† SENSE 1 PHASE 1 VREF 1 ENABLE 1 42 OUT 1A OUT 1B θ 1 43 41 RC1 E1 I10 I11 44 GND 7 8 9 10 11 12 13 EN1 VCC 40 6 5 4 3 2 1 For PWM current control, the maximum output current is determined by the user’s 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.
Activelow ENABLE inputs control the four drivers in each bridge.
The bridges include both ground clamp and flyback diodes for protection against inductive transients.
Internally gen...


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