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A4945GLJTR-T The A4945GLJTR-T is a sensorless, 180-degree sinusoidal fan motor driver IC from Allegro Microsystems. It operates from 4V to 18V and delivers 1.8A output current.
Mfr Part #:

A4945GLJTR-T

Available from 1 distributors
Mfr Name: Allegro Microsystems
Allegro Microsystems
The A4945GLJTR-T is a sensorless, 180-degree sinusoidal fan motor driver IC from Allegro Microsystems. It operates from 4V to 18V and delivers 1.8A output current.
✓ Total Stock: 413 pcs
$ Price Range: $2.25

A4945GLJTR-T Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
413 pcs
On Request
413 pcs On Request 1 On Request On Request 12+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

A4945GLJTR-T Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Function
Interface
Motor Type
Mounting Type
Operating Temperature
Output Configuration
Protection Features
SVHC Present
Supplier Device Package
Tape & Reel
Technology
Voltage
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A4945GLJTR-T Description

Short technical summary and product information.

The A4945GLJTR-T is a sensorless, 180-degree sinusoidal fan motor driver IC designed for multiphase fan motor control. It integrates a high-efficiency control algorithm and provides analog speed input and FG speed output.

 

This device operates over a supply voltage range of 4V to 18V and can deliver up to 1.8A of output current. It features a soft start function and includes protection features such as lock detection, overcurrent protection, and short circuit protection.

 

The A4945GLJTR-T is housed in an 8-SOIC-EP (exposed pad) package and is designed for surface mount assembly. It is suitable for a variety of fan motor driver applications.

A4945GLJTR-T Quick Information

Product Type: Fan Motor Driver IC
Canonical Name: A4945GLJTR-T Fan Motor Driver IC
Subcategory: Fan Motor Driver

A4945GLJTR-T Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Lead (Pb) free

A4945GLJTR-T Estimated Pricing

Qty Low High
1+ $2.25 $2.25

Estimated market price range - modelled values for guidance only, not live distributor offers.

A4945GLJTR-T Features

  • Sensorless 180-degree sinusoidal drive.
  • High efficiency control algorithm.
  • Analog speed input and FG output.
  • Integrated lock, overcurrent, short circuit protection.
  • Soft start for controlled motor startup.

A4945GLJTR-T Applications

  • Ideal for multiphase fan motor control.
  • Suitable for low audible noise fan applications.
  • Used in server and telecom cooling fans.
  • Applicable in automotive cabin blowers.

A4945GLJTR-T FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the A4945GLJTR-T?

The A4945GLJTR-T operates from 4V to 18V.

What is the operating temperature range of the A4945GLJTR-T?

The A4945GLJTR-T operates from -40°C to 105°C.

What package is the A4945GLJTR-T available in?

The A4945GLJTR-T is available in an 8-SOIC-EP (exposed pad) package.

What type of motor drive does the A4945GLJTR-T use?

The A4945GLJTR-T uses a sensorless, 180-degree sinusoidal drive.

What protection features does the A4945GLJTR-T include?

The A4945GLJTR-T includes lock detection, overcurrent protection, and short circuit protection.

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