3957 Datasheet - Allegro MicroSystems

FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER

3957 Features

* s s s s s s s s s ±1.5 A Continuous Output Current 50 V Output Voltage Rating Internal PWM Current Control 4-Bit Non-Linear DAC for 16-Bit Microstepping Satlington™ Sink Drivers Fast, Mixed Fast/Slow, and Slow Current-Decay Modes Internal Transient-Suppression Diodes Internal Thermal-Shutdown Circui

3957 General Description

Slow Current-Decay Mode Mixed Current-Decay Mode Fast Current-Decay Mode Table 3 * DAC Truth Table DAC Data D3 H H H H H H H H L L L L L L L Current D0 H L H L H L H L H L H L H L X D2 H H H H L L L L H H H H L L L D1 H H L L H H L L H H L L H H L Ratio, % 100 95.7 91.3 87.0 82.6 78.3 7.

3957 Datasheet (462.77 KB)

3957 Datasheet Preview — Preview of 3957 PDF

Datasheet Details

Part number:

3957

Manufacturer:

Allegro MicroSystems

File Size:

462.77 KB

Description:

Full-bridge pwm microstepping motor driver.
3957 FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER A3957SLB NO CONNECT PFD REF NO CONNECT RC GROUND GROUND D3 LOGIC SUPPLY PHASE D2 NO CONNECT 1 2 3 4 5 .

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39-01-2145 Connector (Molex)

39-28-1xxx Header (Molex)

39-28-8xxx Header (Molex)

39-29-0xxx Header (Molex)

TAGS

3957 FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER Allegro MicroSystems

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3957 Features

3957 General Description

Datasheet Details

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