2918

DUAL FULL-BRIDGE

PWM MOTOR DRIVER

www.allegromicro.com

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Motor Supply Range

10

—

45

V

Output Leakage Current

—

<1.0

50

µA

—

<-1.0

-50

µA

Output Sustaining Voltage

±1.5 A, L = 3.0 mH

45

—

—

V

Output Saturation Voltage

—

0.7

0.8

V

—

0.9

1.1

V

—

1.8

2.0

V

—

1.9

2.2

V

Clamp Diode Leakage Current

—

<1.0

50

µA

Clamp Diode Forward Voltage

—

1.6

2.0

V

Driver Supply Current

Both Bridges ON, No Load

—

12

15

mA

Both Bridges OFF

—

8.0

10

mA

Control Logic

Input Voltage

All Inputs

2.4

—

—

V

All Inputs

—

—

0.8

V

Input Current

—

<1.0

20

µA

—

-3.0

-200

µA

Reference Voltage Range

Operating

1.5

—

V

Current Limit Threshold

At Trip Point

9.5

10

10.5

—

Thermal Shutdown Temp.

—

170

—

°C

Total Logic Supply Current

—

105

140

mA

—

10

12

mA

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

Typical Data is for design information only.