DRV8828

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SLVSA11G – OCTOBER 2009 – REVISED NOVEMBER 2015

6.4 Thermal Information

DRV8828

THERMAL METRIC(1)

PWP (HTSSOP)

UNIT

28 PINS

RθJA

Junction-to-ambient thermal resistance

38.9

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

23.3

°C/W

RθJB

Junction-to-board thermal resistance

21.2

°C/W

ψJT

Junction-to-top characterization parameter

0.8

°C/W

ψJB

Junction-to-board characterization parameter

20.9

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

2.6

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report, SPRA953.

6.5 Electrical Characteristics

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

POWER SUPPLIES

IVM

VM operating supply current

VM = 24 V, fPWM < 50 kHz

5

8

mA

IVMQ

VM sleep mode supply current

VM = 24 V

10

20

μA

VUVLO

VM undervoltage lockout voltage

VM rising

7.8

8.2

V

V3P3OUT REGULATOR

IOUT = 0 to 1 mA, VM = 24 V, TJ = 25°C

3.18

3.30

3.42

V

V3P3

V3P3OUT voltage

IOUT = 0 to 1 mA

3.10

3.30

3.50

V

LOGIC-LEVEL INPUTS

VIL

Input low voltage

0.6

0.7

V

VIH

Input high voltage

2

5.25

V

VHYS

Input hysteresis

0.45

V

IIL

Input low current

VIN = 0

–20

20

μA

IIH

Input high current

VIN = 3.3 V

100

μA

ENBL, PHASE, I0, I1, I2, I3, I4, nRESET

100

k

Ω

RPD

Internal pulldown resistance

nSLEEP

1

M

Ω

nFAULT OUTPUT (OPEN-DRAIN OUTPUT)

VOL

Output low voltage

IO = 5 mA

0.5

V

IOH

Output high leakage current

VO = 3.3 V

1

μA

DECAY INPUT

VIL

Input low threshold voltage

For slow decay mode

0.8

V

VIH

Input high threshold voltage

For fast decay mode

2

V

IIN

Input current

–100

100

µA

RPU

Internal pullup resistance

130

k

Ω

RPD

Internal pulldown resistance

80

k

Ω

H-BRIDGE FETS

VM = 24 V, I O = 1 A, TJ = 25°C

0.32

Ω

RDS(ON)

HS FET on resistance

VM = 24 V, IO = 1 A, TJ = 85°C

0.39

0.45

Ω

VM = 24 V, IO = 1 A, TJ = 25°C

0.33

Ω

RDS(ON)

LS FET on resistance

VM = 24 V, IO = 1 A, TJ = 85°C

0.39

0.45

Ω

IOFF

Off-state leakage current

–40

40

μA

MOTOR DRIVER

fPWM

PWM frequency

50

kHz

tBLANK

Current sense blanking time

3.75

μs

tR

Rise time

VM = 24 V

100

360

ns

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