SI9979 datasheet(2/9 Pages) VISHAY

部品番号	SI9979

部品情報	3-Phase Brushless DC Motor Controller

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メーカー	VISHAY [Vishay Siliconix]

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2 / 9 page

Si9979

Vishay Siliconix

www.vishay.com

2

Document Number: 70012

S-41209—Rev. E, 21-Jun-04

ABSOLUTE MAXIMUM RATINGS

Voltage on Pin 42

50 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Voltage on Pins 1−4, 10, 11

−0.3 V to VDD + 0.3 V

. . . . . . . . . . . . . . . . . . . . .

Voltage on Pins 5−9

−0.3 V to 5.5 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Voltage on Pins 26, 28, 30, 32, 34, 36

60 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Voltage on Pins 27, 31, 35

−2 to 50 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Temperature

C Suffix

0 to 70_C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

D Suffix

−40 to 85_C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage Temperature

−65 to 150_C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Junction Temperature (TJ)

150_C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Dissipation (PD)

C Suffix

0.70 W

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

D Suffix

0.55 W

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

RECOMMENDED OPERATING RANGE

V+

+20 to 40 VDC

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

RT

10 kW Min

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SPECIFICATIONS

Test Conditions

Unless Otherwise Specified

Limits

Parameter

Symbol

Unless Otherwise Specified

V+ = 20 to 40 V, IDD = 0 mA

Mina

Typb

Maxa

Unit

Power

Supply Voltage Range

V+

20

40

V

Logic Voltage

VDD

−20 mA v IDD v 0 mA

14.5

16

17.5

V

Supply Current

I+

4.5

mA

Logic Current

IDD

−20

mA

Internal Referenced

VREF

4.2

V

Commutation Inputs (INA, INB, INC, 60/120)

High-State

VIH

4.0

V

Low-State

VIL

1.0

V

High-State Input Current

IIH

VIH = VDD

10

mA

Low-State Input Current

IIL

VIL = 0 V

−50

mA

Logic Inputs (F/R, EN, QS, PWM, BRK)

High-State

VIH

2.0

V

Low-State

VIL

0.8

V

High-State Input Current

IIH

VIH = 5.5 V

10

mA

Low-State Input Current

IIL

VIL = 0 V

−125

mA

Outputs

Low-Side Gate Drive, High State

VGBH

14

16

17.5

Low-Side Gate Drive, Low State

VGBL

0.1

High Side Gate Drive High State

VGTH

TA = 0 to 70_C

C Suffix

16

18

V

High-Side Gate Drive, High State

VGTH

TA = −40 to 85_C

D Suffix

16

20

V

High-Side Gate Drive, Low State

VGTL

0.1

Capacitor Voltaged

VCAP

V+ = 40 V

55

Low-Side Switching, Rise Time

trL

70

Low-Side Switching, Fall Time

tfL

Risetime = 1 to 10 V

Falltime = 10 to 1 V

25

High-Side Switching, Rise Time

trH

Falltime = 10 to 1 V

CL = 600 pF

100

ns

High-Side Switching, Fall Time

tfH

CL = 600 pF

40

ns

Break Before Make Time

tBLH

100

Break-Before-Make Time

tBHL

300

TACH Output/FAULT Output

VOL

IOL = 1.0 mA

0.15

0.4

V

TACH Output Pulsewidth

tT

300

600

ns

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