A3930 datasheet(4/21 Pages) ALLEGRO

Part #	A3930

Description	Automotive 3-Phase BLDC Controller and MOSFET Driver

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Manufacturer	ALLEGRO [Allegro MicroSystems]

Direct Link	http://www.allegromicro.com

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Automotive 3-Phase BLDC Controller

and MOSFET Driver

A3930 and

A3931

4

Allegro MicroSystems, Inc.

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

ELECTRICAL CHARACTERISTICS at TJ = –40°C to 150°C, VBB = 7 to 45 V, unless otherwise noted1

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Supply and Reference

VBB Functional Operating Range6

VBB

Function correct, parameters not

guaranteed

5.5

–

50

V

VBB Quiescent Current

IBBQ

RESET = High, outputs = Low

–

11

14

mA

IBBS

RESET = Low, sleep mode

–

10

μA

V5 Quiescent Current

IV5Q

RESET = High, outputs = Low

–

5

mA

VREG Output Voltage

VREG

VBB ≥ 7.4 V, IREG = 0 to 15 mA

12.10

13

13.75

V

6 V < VBB < 7.4 V

IREG = 0 to 15 mA

2 × VBB

–2.7

––

V

5.5 V < VBB < 6 V, IREG < 10 mA

9

10

–

V

Bootstrap Diode Forward Voltage

VfBOOT

ID = 10 mA

0.4

0.7

1.0

V

ID = 100 mA

1.5

2.2

2.8

V

Bootstrap Diode Resistance

rD

rD(100 mA)=(VfBOOT(150 mA)–

VfBOOT(50mA)) /100 mA

610

20

Ω

Bootstrap Diode Current Limit

IDBOOT

250

500

750

mA

Top-off Charge Pump Current Limit

ITOCPM

–

200

–

μA

High-Side Gate Drive Static Load

Resistance

RGSH

250

–

kΩ

V5 Output Voltage

V5

4.75

5

5.25

V

VBE of External Transistor QV5

VBEEXT

––

1

V

V5BD Base Drive Capability for QV52

I5BD

–

–2

mA

Gate Output Drive

Turn-On Rise Time

tr

CLOAD = 3300 pF, 20% to 80% points

–

60

–

ns

Turn-Off Fall Time

tf

CLOAD = 3300 pF, 80% to 20% points

–

40

–

ns

Pull-Up On Resistance

RDS(on)UP

TJ = 25C, IGHx= –150 mA

3

4

5

Ω

TJ = 150C, IGHx= –150 mA

4.6

5.6

6.6

Ω

Pull-Down On Resistance

RDS(on)DN

TJ = 25C, IGLx=150 mA

1

1.5

2

Ω

TJ = 150C, IGLx=150 mA

1.5

2.3

3

Ω

Short-Circuit Current – Source2

ISC(source)

TJ = 25C

–

–500

–

mA

Short-Circuit Current – Sink

ISC(sink)

TJ = 25C

–

850

–

mA

GHx Output Voltage

VGHx

tw < 10 μs

Bootstrap capacitor fully charged

VCx– 0.2

–

V

GLx Output Voltage

VGLx

VREG–

0.2

––

V

Continued on the next page...

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