A3931KJPTR-T

更新时间： 2024-02-23 13:44:28

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动器控制器
页数	文件大小	规格书
21页	450K
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数据手册

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A3931KJPTR-T 数据手册

A3930 and

A3931

Automotive 3-Phase BLDC Controller

and MOSFET Driver

Functional Block Diagram

VBAT+

VBB

CP2

CP1

V5BD

QV5

Charge

Pump

Regulator

VREG

+5V Ref

CREG

CV5

VDRAIN

MODE

Phase A of three phases

COAST

BRAKE

Charge

Pump

CBOOTA

Boostrap

Monitor

RESET

DIR

GHA

High-Side

Drive

RGHA

Control

Logic

VREG

GLA

Low-Side

Drive

RGLA

RDEAD

LSS

PWM

TACHO

TEST

Blanking

DIRO

ESF

FF1

Diagnostics and

Protection

–UVLO

OSC

CSP

CSN

–TSD

RSENSE

–Short to Supply

–Short to Ground

–Shorted Winding

–Low Load

FF2

Pad

VDSTH

REF

AGND

CSOUT

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

Preliminary Data Sheet

Subject to Change Without Notice

April 6, 2006

1 234 5 6 7...21

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