2927

DUAL FULL-BRIDGE

PWM MOTOR DRIVER

ELECTRICAL CHARACTERISTICS at T

A

= +25

BB

= 50 V, V

CC

= 5.0 V, V

REF

= 5.0 V (unless

otherwise noted).

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Output Drivers (OUT

A

or OUT

B

)

Motor Supply Range

V

BB

I

10

—

50

V

Output Leakage Current

I

CEX

V

OUT

= V

BB

—

<1.0

5.0

µA

V

OUT

= 0

—

<-1.0

-5.0

µA

Output Saturation Voltage

V

Sink Driver, I

OUT

= +1.0 A*

—

0.5

0.7

V

Sink Driver, I

OUT

= +1.5 A*

—

0.8

0.9

V

Source Driver, I

OUT

= -1.0 A*

—

1.8

1.9

V

Source Driver, I

OUT

= -1.5 A*

—

1.9

2.0

V

Flyback Diode Forward Volt.

V

F

I

F

= 1.5 A

—

1.6

2.0

V

Driver Supply Current

I

BB(ON)

Both Bridges ON, No Load

—

6.5

9.0

mA

I

BB(OFF)

Both Bridges OFF

—

4.0

4.0

mA

Control Logic

Input Voltage

V

IN(1)

All Inputs

2.4

—

—

V

V

IN(0)

All Inputs

—

—

0.8

V

Input Current

I

IN(1)

V

IN

= 2.4 V

—

<1.0

20

µA

I

IN(0)

V

IN

= 0.8 V

—

-3.0

-200

µA

Reference Voltage Range

V

REF

Operating

1.5

—

7.5

V

Current Limit Threshold

V

REF

/V

SENSE

I

0

= I

1

= 0.8 V

9.5

10

10.5

—

I

0

= 2.4 V, I

1

= 0.8 V

13.5

15

16.5

—

I

0

= 0.8 V, I

1

= 2.4 V

25.5

30

34.5

—

Thermal Shutdown Temp.

T

J

—

170

—

°C

Total Logic Supply Current

I

CC(ON)

I

0

= I

1

= V

EN

= 0.8 V, No Load

—

90

105

mA

I

CC(OFF)

I

0

= I

—

10

12

mA

Negative current is defined as coming out of (sourcing) the specified device pin.

Typical Data is for design information only.

* Pulse test (<10 ms).

Limits

(at trip point)