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ALLEGRO A4964KJPTR-TRoHS

Manufacturer
ALLEGRO
MPN
A4964KJPTR-T
LCSC Part #
C2150453
Packaging
QFP-32(7x7)
Customer #
Key Attributes
Sensorless Sinusoidal Drive BLDC Controller
Datasheetpdf iconALLEGRO A4964KJPTR-T
In-Stock: 969
969 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 4.2902$ 4.29
10+$ 3.6357$ 36.36
30+$ 3.2466$ 97.40
100+$ 2.8525$ 285.25
500+$ 2.6718$ 1335.90
1,500+$ 2.5888$ 3883.20
Standard Packaging1500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Motor Drivers, Controllers
ManufacturerALLEGRO
PackagingQFP-32(7x7)
Drive TypeThree Phase
FeaturesMotor speed indication
TechnologyNo
Operating temperature-40℃~+150℃
Voltage - Supply5.5V~50V
Quiescent Current(Iq)-
Output Current-
Peak Current-
Number of Half Bridges-
RDS(on)-
InterfaceSPI
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging1500
Sales UnitPiece

Introduction

AI Translation

A three-phase, sensorless, brushless DC (BLDC) motor controller for use with external N-channel power MOSFETs and is specifically designed for automotive applications. It is designed to provide the motor control functions in a system where a small microcontroller provides the communication interface to a central ECU and intelligent fault and status handling. The A4964 provides the supply and watchdog for the microcontroller and the high-voltage interfaces between the microcontroller and the central ECU and ignition switch. The A4964 can also operate as an independent singlechip remote motor controller. The motor is driven using 3-phase sinusoidal current drive where phase commutation is determined, without the need for independent position sensors, by monitoring the motor back-EMF (bemf). The sensorless start-up scheme includes forward and reverse pre-rotation (windmill) detection and synchronization, and allows the A4964 to operate over a wide range of motor and load combinations. The A4964 can operate with duty cycle (voltage) control, current (torque limit) control, and closed-loop speed control. Control mode, operating mode, and control parameters are programmed through an SPI-compatible serial interface. A single current sense amplifier provides peak current limiting and average current measurement through the serial interface. Integrated diagnostics provide indication of undervoltage, overtemperature, and power bridge faults and can protect the power switches under most short-circuit conditions.

Features

AI Translation
  • Three-phase sensorless BLDC motor control FET drive
  • Three-phase sinusoidal drive with soft start
  • Sensorless start-up and commutation
  • Windmill detection and synchronization
  • Bootstrap gate drive for N-channel MOSFET bridge
  • 5.5 to 50 V supply range
  • SPI-compatible interface
  • Programmable control modes: speed, voltage, current
  • Peak current limiting
  • Control via SPI or PWM
  • Programmable gate drive for slew rate control
  • LIN / PWM physical interface with wake
  • Logic supply regulator with current limit
  • MCU watchdog and reset
  • Ignition switch interface
  • Diagnostics, status, current, and speed feedback

Applications

AI Translation
  • Automotive fuel, oil, and urea pumps
  • Automotive fans and blowers