DRV11873PWP datasheet(5/16 Pages) TI

Part #	DRV11873PWP

Description	12-V, 3-PHASE, SENSORLESS BLDC MOTOR DRIVER

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Manufacturer	TI [Texas Instruments]

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DRV11873

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SLWS237 – NOVEMBER 2012

RECOMMENDED OPERATING CONDITIONS

over operating free-air temperature range (unless otherwise noted)

MIN

MAX

UNIT

Supply voltage

VCC

5

16

V

U, V, W

-0.7

17

COM

-0.1

17

FG, RD

-0.1

16

PGND, GND

-0.1

0.1

Voltage range

VCP

-0.1

22

V

CPP

-0.1

22

CPN

-0.1

16

V5

-0.1

5.5

PWMIN, FR, FS

-0.1

5.5

Operating junction temperature, TJ

-40

125

V

ELECTRICAL CHARACTERISTICS

Supply Current

over recommended operating free-air temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IVCC

Supply current

TA = 25°C; PWM = VCC; VCC = 12 V

2.7

5

mA

UVLO

over recommended operating free-air temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VVUVLO-th_r

UVLO threshold voltage

Rise threshold, TA = 25°C

4.3

4.6

V

VUVLO-th_f

UVLO threshold voltage

Fall threshold, TA = 25°C

3.9

4.1

V

UVLO threshold voltage

VUVLO-thhys

TA = 25°C

100

200

300

mV

hysteresis

Integrated MOSFET

over recommended operating free-air temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TA = 25°C; VCC = 12 V; VCP = 19 V;

RDSON

Series resistance(H+L)

0.45

0.6

Ω

IOUT = 1.5 A

PWM

over recommended operating free-air temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VPWM-IH

High-level input voltage

VCC ≥ 4.5 V

2.7

V

VPWM-IL

Low-level input voltage

VCC ≥ 4.5 V

0.8

V

fPWM

PWM input frequency

15

100

kHz

IPWM-SOURCE

PWM source current

35

50

65

µA

FG

over recommended operating free-air temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IFG-SINK

FG pin sink current

VFG = 0.3 V

5

mA

IFG-short

FG pin short current limit

VFG = 12 V

20

25

mA

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