7

DRV8428E, DRV8428P

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SLOSE51 – JUNE 2020

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6.3 Recommended Operating Conditions

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

MIN

MAX

UNIT

Supply voltage range for normal (DC) operation

4.2

33

V

Logic level input voltage

0

5.5

V

Reference rms voltage range (VREFA, VREFB)

0.05

3

V

Applied PWM signal (APH, AEN, BPH, BEN, AIN1, AIN2, BIN1, BIN2)

0

100

kHz

Motor full-scale current (xOUTx)

0

1

A

Motor RMS current (xOUTx)

0

0.7

A

Operating ambient temperature

–40

125

°C

Operating junction temperature

–40

150

°C

(1)

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

report.

6.4 Thermal Information

UNIT

PWP (HTSSOP)

DYY (TSOT)

RTE (VQFN)

16 PINS

16 PINS

16 PINS

Junction-to-ambient thermal resistance

47.2

88.3

49

°C/W

p)

Junction-to-case (top) thermal resistance

43.2

43.5

57.7

°C/W

Junction-to-board thermal resistance

23.3

26.3

23.4

°C/W

Junction-to-top characterization parameter

1.4

1.2

1.9

°C/W

Junction-to-board characterization parameter

23.2

26.2

23.4

°C/W

ot)

Junction-to-case (bottom) thermal resistance

6.4

N/A

8.9

°C/W