ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Power Supply Voltage

52

V

Input Enable Voltage

– 0.3 to 7

V

Pulsed Output Current (note 1)

5

A

Sensing Voltage (DC Voltage)

-1 to 4

V

Bootstrap Peak Voltage

62

V

Differential Output Voltage (between any of the 3 OUT pins)

60

V

Commutation Frequency

50

KHz

Reference Voltage

12

V

Total Power Dissipation

°C

2.3

W

Total Power Dissipation

°C

1.6 (*)

W

Storage and Junction Temperature Range

-40 to 150

°C

Note 1: Pulse width limited only by junction temperature and the transient thermal impedance

(*) Mounted on board with minimized copper area

RECOMMENDED OPERATING CONDITIONS

Symbol

Parameter

Value

Unit

Supply Voltage

7 to 42

V

Peak to Peak Differential Voltage (between any of the 3 OUT

pins)

52

V

°C)

4

A

°C) with infinite heatsink

2.8

A

-4 to 4

V

Sensing Voltage (DC)

-1 to 1

V

Junction Temperature Range

-40 to 125

°C

PIN FUNCTIONS

Powerdip

PowerSO20

Name

Function

1

20

10

6

5

15

OUT 1

OUT 2

OUT 3

Output of the channels 1/2/3.

2

19

9

7

4

14

IN 1

IN 2

IN 3

Logic input of channels 1/2/3. A logic HIGH level (when the corresponding

EN pin is HIGH) switches ON the upper DMOS Power Transistor, while a

logic LOW switches ON the corresponding low side DMOS Power.

3

18

8

8

3

13

EN 1

EN 2

EN 3

Enable of the channels 1/2/3. A logic LOW level on this pin switches off both

power DMOS of the related channel.

4,7

9, 12

Power Supply Voltage.

14

19

SENSE2

A resistance Rsense connected to this pin provides feedback for motor

current control for the bridge 3.

17

2

SENSE1

A resistance Rsense connected to this pin provides feedback for motor

current control for the bridges 1 and 2.

11

16

Internal Voltage Reference. A capacitor connected from this pin to GND

increases the stability of the Power DMOS drive circuit.

12

17

Bootstrap Oscillator. Oscillator output for the external charge pump.

13

18

Overvoltage input to drive the upper DMOS

5,6

15,16

1,10

11,20

GND

Common Ground Terminal. In Powerdip and SO packages these pins are

used to dissipate the heat forward the PCB.

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