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A4957SESTR-T

A4957SESTR-T

A4957SESTR-T

Allegro MicroSystems

Motor Drivers 24

SOT-23

A4957SESTR-T Datasheet

non-compliant

In-Stock: 0 items
Specifications
Name Value
Type Parameter
Factory Lead Time 8 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 24-WFQFN Exposed Pad
Number of Pins 24
Operating Temperature -20°C~85°C TA
Packaging Tape & Reel (TR)
Published 2013
JESD-609 Code e3
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 24
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Applications General Purpose
Voltage - Supply 3V~5.5V
Terminal Position QUAD
Terminal Form NO LEAD
Peak Reflow Temperature (Cel) 260
Terminal Pitch 0.5mm
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number A4957
Function Controller - Commutation, Direction Management
Number of Outputs 1
Supply Voltage-Max (Vsup) 5.5V
Supply Voltage-Min (Vsup) 3V
Interface Parallel
Analog IC - Other Type BRUSH DC MOTOR CONTROLLER
Output Configuration Pre-Driver - Half Bridge (2)
Propagation Delay 150 ns
Turn On Delay Time 35 ns
Turn-Off Delay Time 20 ns
Voltage - Load 4.5V~50V
Number of Drivers 4
Motor Type - AC, DC Brushed DC
Height Seated (Max) 0.8mm
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Pricing & Ordering
Quantity Unit Price Ext. Price
A4957SESTR-T Product Details

A4957SESTR-T Overview


The package is designed with [0].The part is packaged in a 24-WFQFN Exposed Pad case.In general, it is recommended that the part be mounted by Surface Mount.The component connected in General Purposeis compatible with it.3V~5.5V volts can be supplied by the device.Drivers controllers operates wDrivers controllershin a range of -20°C~85°C TAdegrees Celsius.There is a motor type Brushed DCavailable.This part has 24termination options.A voltage of 4.5V~50Vcan be applied to the load.Ideally, it should be mounted in the Surface Mountposition.A BRUSH DC MOTOR CONTROLLERanalog integrated circuit is used in the device.Based on the A4957part number, it is found.The device has 24 pins.Drivers controllers is possible to access 1outputs.The device is equipped with 4 drivers.

A4957SESTR-T Features


Applications : General Purpose
Load voltage across the chip 4.5V~50V
base on A4957 number
designed with 1 outputs
with 4 Drivers


A4957SESTR-T Applications


There are a lot of Allegro MicroSystems
A4957SESTR-T motor drivers applications.


  • High power LED street light
  • Large outdoor LED display
  • Commercial office
  • Hospitality buildings
  • Smart lighting applications
  • Automotive applications
  • Dome
  • Dash
  • Footwell lighting
  • Indicator

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