Datasheet > A5936GLNTR-T

A5936GLNTR-T

更新时间： 2022-02-26 11:59:44

品牌	Logo	应用领域
急速微 - ALLEGRO		/
页数	文件大小	规格书
12页	668K
描述
Three Phase Sensorless Sinusoidal Fan Driver

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A5936GLNTR-T 数据手册

A5936

Three Phase Sensorless Sinusoidal Fan Driver

FEATURES AND BENEFITS

DESCRIPTION

• Standby mode

The A5936 three phase motor driver incorporates sinusoidal

drive to minimize vibration for fan applications.

• Sensorless operation

• Low-noise sinusoidal modulation

• Quiet startup

• Low R_DSONpower MOSFETs

• Minimal external components

• PWM speed input

A sinusoidal voltage profile is applied to the windings of the

motor at startup to quickly and quietly start up and gradually

ramp up the motor to desired speed.

Themotorspeediscontrolledbyapplyingadutycyclecommand

to the PWM input. The PWM input is allowed to operate over

a wide frequency range.

• FG speed output

• Lock detection

• Soft start

• Short-circuit protection (OCP)

• Overcurrent limit (OCL)

The A5936 is available in a 10-lead SSOP (suffix LN), and

a 10-lead eSOIC with exposed power pad (suffix LK). The

packages are lead (Pb) free, with 100% matte-tin leadframe

plating.

PACKAGES:

10-lead SSOP (suffix LN)

10-lead eSOIC with exposed

thermal pad (suffix LK)

Not to scale

TYPICAL APPLICATION

0.1 µF X5R 10 V

VREF

2p8 VREF

OCP

Protection

VBB

10 µF

Duty

Demand

Calculator

Speed Input

PWM

OUTA

OUTB

OUTC

GATE

DRIVE

DMD

ACC

Sine

Drive

Waveshape

Startup

Logic

GND

Master

Clock

Current

Limit

TSD

OUTA

OUTB

OUTC

Position

Detect

A5936-DS, Rev. 3

MCO-0000156

July 15, 2019

12 3 4 5 6 7...12

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