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DRV8871

SLVSCY9B – AUGUST 2015 – REVISED JULY 2016

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(1)

The voltages applied to the inputs should have at least 800 ns of pulse width to ensure detection. Typical devices require at least

400 ns. If the PWM frequency is 200 kHz, the usable duty cycle range is 16% to 84%.

(2)

Power dissipation and thermal limits must be observed

6.3 Recommended Operating Conditions

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

MIN

MAX

UNIT

VM

Power supply voltage

6.5

45

V

VI

Logic input voltage (IN1, IN2)

0

5.5

V

fPWM

Logic input PWM frequency (IN1, IN2)

0

200(1)

kHz

Ipeak

Peak output current(2)

0

3.6

A

TA

Operating ambient temperature(2)

–40

125

°C

(1)

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

report (SPRA953).

6.4 Thermal Information

THERMAL METRIC(1)

DRV8871

UNIT

DDA (HSOP)

8 PINS

RθJA

Junction-to-ambient thermal resistance

41.1

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

53.1

°C/W

RθJB

Junction-to-board thermal resistance

23.1

°C/W

ψJT

Junction-to-top characterization parameter

8.2

°C/W

ψJB

Junction-to-board characterization parameter

23

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

2.7

°C/W