8925 datasheet(2/8 Pages) ALLEGRO

2 / 8 page

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

8925

3-PHASE BRUSHLESS DC MOTOR CONTROLLER/DRIVER

WITH LINEAR CURRENT CONTROL

AND POWER DMOS OUTPUTS

100

125

150

TEMPERATURE IN

°C

Dwg. GP-020B

12.5

2.5

7.5

5.0

= 30°C/W

θJA

ELECTRICAL CHARACTERISTICS AT TA = +25°C, VCC = VBB = 12 V

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Logic Supply Voltage

VCC

Operating

Load Supply Voltage

VBB

Operating

Supply Current

ICC

Operating

—

VENABLE = 0 V

—

2.0

4.0

Thermal Shutdown

—

165

—

°C

Output Drivers

Output ON Resistance

rDS(on)

IOUT = ±4.0 A, Pulse Test

—

0.20

0.25

Ω

Output Sustaining Voltage

VDS(sus)

IOUT = 4.0 A, L = 2 mH

——

Clamp Diode Forward Voltage

IF = ±4.0 A

—

1.5

2.0

Output Leakage Current

IDSX

VOUT = 14 V

—

300

µA

VOUT = 0 V

—

-10

-300

µA

Control Logic

Logic Input Voltage

VIN(0)

ENABLE, POLE

——

0.8

VIN(1)

2.4

——

Logic Input Voltage

VIN(0)

BRAKE

——

0.8

VIN(1)

3.0

——

Logic Input Current

IIN(0)

VIN = 0.8 V

——

-1.0

µA

IIN(1)

VIN = 2.4 V

——

1.0

µA

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

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