PC33887VWR2 datasheet(9/28 Pages) MOTOROLA

Part #	PC33887VWR2

Description	5.0 A H-Bridge with Load Current Feedback

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Manufacturer	MOTOROLA [Motorola, Inc]

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MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA

33887

9

STATIC ELECTRICAL CHARACTERISTICS (continued)

Characteristics noted under conditions 5.0 V ≤ V+ ≤ 28 V and -40

°C ≤ TA ≤ 125°C unless otherwise noted. Typical values noted reflect

the approximate parameter mean at TA = 25°C under nominal conditions unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

POWER OUTPUTS (OUT1, OUT2)

Output ON-Resistance (Note 17)

5.0 V

≤ V+ ≤ 28 V, TJ = 25°C

8.0 V

≤ V+ ≤ 28 V, TJ = 150°C

5.0 V

≤ V+ ≤ 8.0 V, TJ = 150°C

RDS(ON)

–

120

–

225

300

m

Ω

Active Current Limiting Threshold (via Internal Constant OFF-Time PWM) on

Low-Side MOSFETs (Note 18)

ILIM

5.2

6.5

7.8

A

High-Side Short Circuit Detection Threshold

ISCH

11

–

A

Low-Side Short Circuit Detection Threshold

ISCL

8.0

–

A

Leakage Current (Note 19)

VOUT = V+

VOUT = Ground

IOUT(leak)

–

100

30

200

60

µA

Output MOSFET Body Diode Forward Voltage Drop

IOUT = 3.0 A

VF

––

2.0

V

Overtemperature Shutdown

Thermal Limit

Hysteresis

TLIM

THYS

175

10

–

225

30

°C

HIGH-SIDE CURRENT SENSE FEEDBACK

Feedback Current

IOUT = 0 mA

IOUT = 500 mA

IOUT = 1.5 A

IOUT = 3.0 A

IOUT = 6.0 A

IFB

–

1.07

3.6

7.2

14.4

–

1.33

4.0

8.0

16

600

1.68

4.62

9.24

18.48

µA

mA

FAULT STATUS (Note 20)

Fault Status Leakage Current (Note 21)

VFS = 5.0 V

IFS(leak)

––

10

µA

Fault Status SET Voltage (Note 22)

IFS = 300 µA

VFS(LOW)

––

1.0

V

Notes

17.

Output-ON resistance as measured from output to V+ and ground.

18.

Active current limitation applies only for the low-side MOSFETs.

19.

Outputs switched OFF with D1 or D2.

20.

Fault Status output is an open Drain output requiring a pullup resistor to 5.0 V.

21.

Fault Status Leakage Current is measured with Fault Status HIGH and not SET.

22.

Fault Status Set Voltage is measured with Fault Status LOW and SET with IFS = 300 µA.

Freescale Semiconductor, Inc.

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