A3931KJPTR-T

更新时间： 2024-01-21 05:23:32

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

Description (continued)

combination on the Hall inputs. In this state, the A3930 indicates

torque control, allowing the internal current control circuit to set

the maximum current limit.

Efficiency is enhanced by using synchronous rectification. The

power FETs are protected from shoot-through by integrated

crossover control with dead time. The dead time can be set by a

single external resistor.

a logic fault, but the A3931 prepositions the motor in an unstable

startingpositionsuitableforstart-upalgorithmsinmicroprocessor-

driven “sensor-less” control systems.

Both devices are supplied in a 48-pin LQFP with exposed thermal

pad. This is a small footprint (81 mm²) power package, that is lead

(Pb) free, with 100% matte tin leadframe plating.

The A3930 and A3931 only differ in their response to the all-zero

Selection Guide

Part Number

A3930KJP-T

A3931KJP-T

Option

Hall short detection

Prepositioning

Packing

Terminals

Package

250 pieces/tray

LQFP surface mount

Absolute Maximum Ratings

Parameter

Symbol

V_BB

Conditions

Min.

–0.3

V_Sx

–5

Typ.

Max.

Units

Load Supply Voltage

VBB pin

–

V_RESET

RESET pin input

Logic Input/Output Voltage

Remaining logic pins

GHA, GHB, and GHC pins

GLA, GLB, and GLC pins

CA, CB, and CC pins

SA, SB, and SC pins

CSP, CSN, and LSS pins

CSO, VDSTH pins

V_GHx

V_GLx

V_Cx

V_Sx+ 15

–

V_Sx+ 15

Output Voltage Range

V_Sx

–5

–4

6.5

–0.3

–

6.5

VDRAIN pin

–

Operating Temperature Range (K)

Junction Temperature

T_A

T_J

T_S

–40

–

135

150

°C

Storage Temperature Range

–55

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

123 4 5 6 7...21

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