2943

HIGH-CURRENT HALF-BRIDGE MOTOR DRIVER

Source Driver

Sink Driver

Output

Limits

Characteristic

Symbol

Input, Pin 2

Input, Pin 5

Pin 4

Other

Min.

Typ.

Max.

Units

Output Leakage Current

2.4 V

2.4 V

0 V

—

—

-10

-100

µA

2.4 V

2.4 V

35 V

—

—

10

100

µA

Output Sustaining Voltage

2.4 V

0.8 to 2.4 V

1.0 A

Fig. 1A

24

—

—

V

0.8 to 2.4 V

2.4 V

-1.0 A

Fig. 1B

24

—

—

V

Output Saturation Voltage

0.8 V

2.4 V

-1.0 A

—

—

1.2

1.8

V

2.4 V

0.8 V

1.0 A

—

—

0.6

1.0

V

Short-Circuit Source Current

0.8 V

2.4 V

0 V

—

1.0

—

1.8

A

Logic Input Voltage

—

—

——

2.0

——

V

—

—

————

0.8

V

Input Current

2.4 V

2.4 V

NC

—

—

10

100

µA

0.8 V

0.8 V

NC

—

—

-50

-200

µA

Clamp Diode Forward Voltage

NC

NC

1.0 A

Fig. 2

—

1.5

2.0

V

Logic Supply Current

2.4 V

2.4 V

NC

—

—

15

30

mA

2.4 V

0.8 V

NC

—

—

55

75

mA

0.8 V

2.4 V

NC

—

—

30

40

mA

Thermal Shutdown Temperature

—

—

———

160

—

°C

Over-Voltage Shutdown

——

—

—

24

—

35

V

Propagation Delay

2.4 V

2.4 V to 0.8 V

0.4 A

Fig. 3

—

0.6

—

µs

0.8 to 2.4 V

2.4 V

-0.4 A

Fig. 4

—

1.0

—

µs

2.4 V

0.8 to 2.4 V

0.4 A

Fig. 3

—

1.1

—

µs

2.4 to 0.8 V

2.4 V

-0.4 A

Fig. 4

—

0.6

—

µs

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

Typical Data is for design information only.

OUTPUT

CURRENT

SOURCE INPUT

VOLTAGE

SINK INPUT

Dwg. WP-024

VOLTAGE

+

0

–

SINKING CURRENT

SOURCING CURRENT

OPEN CIRCUIT

Dwg. WP-024