A4939KLPTR-5-T

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A4939KLPTR-5-T

IC MOTOR DRIVER 5.5V-50V 28TSSOP

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  • 製造商。 部分 #A4939KLPTR-5-T
  • 包 TSSOP-28
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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
MotorType-ACDC Brushless DC (BLDC)
Function Controller - Commutation, Direction Management
OutputConfiguration Pre-Driver - Half Bridge (3)
Interface Parallel
Technology Power MOSFET
Applications Automotive
Voltage-Supply 5.5V ~ 50V
OperatingTemperature -40°C ~ 150°C (TA)
MountingType Surface Mount
Package/Case 28-TSSOP (0.173, 4.40mm Width) Exposed Pad

概述

Description

A4939KLPTR-5-T is an Allegro Microsystems device from the A4939 family, a Hall-effect sensor/driver IC used for rotor-position sensing and motor commutation in BLDC motors (and related automotive/industrial applications). The “KLPTR” indicates a leadless KLP packaging with tape‑and‑reel shipping. The IC typically integrates a Hall element with signal conditioning and a digital output (with protection features) powered from a 3–24 V supply. For exact electrical specs, pinout, and applications, consult the official datasheet.

Package

KLP = Plastic Leadframe Package (leadframe). A4939KLPTR-5-T uses Allegro’s KLP plastic leadframe package with Tape & Reel packaging.

Pinout

- Pin count: 28 pins
- Function: Dual DMOS full-bridge motor driver (drives two DC motors or one bipolar stepper motor) with two independent H-bridges, current regulation, protections (OC/thermal), and control inputs (direction/step, enable, etc.).

Manufacturer

Manufacturer: Allegro MicroSystems.
Allegro MicroSystems is a semiconductor company that designs and manufactures magnetic-sensing ICs and motor-control ICs, including Hall-effect sensors for automotive and industrial applications.

Application

- BLDC and stepper motor drive/controllers
- Robotics and automation (robot arms, conveyors)
- Automotive actuators (power seats, windows, mirrors)
- Printers, CNC machines, and other industrial equipment
- Consumer electronics requiring precise motor control and PWM current regulation

Equivalent

Direct cross-references for A4939KLPTR-5-T aren’t published. Closest equivalents are other 3‑phase BLDC motor drivers from these families:
- Allegro: A4938 (similar 3‑phase driver)
- TI: DRV83xx/DRV8301/DRV8302
- ST: SPIN/L623x series
For exact interchangeability, use distributor cross-reference tools or contact Allegro.

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增强型短消息: 運費從30美元到50美元（0.5公斤）不等，預計交貨時間為7-15個工作日。

掛號: 運費為2-4美元（0.1公斤），預計交貨時間為5-20個工作日。

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