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Dual DMOS Full-Bridge Motor Driver

A3916

A3916 Product Image

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Description

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Designed for pulse-width-modulated (PWM) control of lowvoltage stepper motors and single and dual DC motors, the A3916 is capable of output currents up to 1 A per channel and operating voltages from 2.7 to 15 V.

The A3916 has an internal fixed off-time PWM timer that sets a peak current based on the selection of a current sense resistor. An output fault flag is provided that notifies the user of a TSD or overcurrent protection event.

The A3916 is supplied in a low-profile 3 × 3 mm 16-terminal QFN (suffix “ES”) and in a low-profile 4 × 4 mm 20-terminal QFN (suffixes “ES, -1”), both with exposed power tab for enhanced thermal dissipation.

  • Wide, 2.7 to 15 V input voltage operating range
  • Dual DMOS full-bridges: drive two DC motors or one stepper motor
  • Low RDS(ON) outputs
  • Synchronous rectification for reduced power dissipation
  • Low-current sleep mode
  • Overcurrent protection
  • Internal UVLO and thermal shutdown circuitry
  • Integrated charge pump
  • Pin-to-pin compatible with A3906

16-contact QFN 3 mm x 3 mm (suffix ES)

20-contact QFN 4 mm x 4 mm (suffix ES,-1)

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Part Number Specifications and Availability

Part Number
Description
Status
Architecture
Select all
Integrated MOSFET
Control Interface
Select all
RDS (ON) (Ohms)
Sleep Current
Current Sense Amplifier
Select all
Integrated
Supply Voltage Min (V)
2
23
3
≥
≤
Supply Voltage Max (V)
15
1515
15
≥
≤
Peak Output Current (A)
1
11
1
≥
≤
Package
Select all
16-Pin QFN
20-Pin QFN
Market
Select all
Consumer
Industrial
 
Samples
Part Composition / RoHS DataCheck StockECAD
A3916GESTR-TIntegrated MOSFET-0.5250.5Integrated2.7015.001.0016-Pin QFNConsumer, IndustrialView DataCheck Distributor StockECAD model image
A3916GESTR-T-1Integrated MOSFET-0.5250.5Integrated2.7015.001.0020-Pin QFNConsumer, IndustrialView DataCheck Distributor StockECAD model image
Part Number
Architecture
Control Interface
RDS (ON) (Ohms)
Sleep Current
Current Sense Amplifier
Supply Voltage Min
(V)
Supply Voltage Max
(V)
Peak Output Current
(A)
Package
Market
A3916GESTR-TIntegrated MOSFET0.5250.5Integrated2.7015.001.0016-Pin QFNConsumerIndustrial
A3916GESTR-T-1Integrated MOSFET0.5250.5Integrated2.7015.001.0020-Pin QFNConsumerIndustrial