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3976 Dual Protected PWM Motor Driver

ELECTRICAL CHARACTERISTICS at TA = -40°C +125°C, VBB = 30 V, VDD = 5.0 V (unless noted otherwise)

Limits

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Fault Circuitry

Fault Output Leakage

-

-

10

µA

Fault Output Low

µA

–

0.8

V

Fault Output Current

25

50

75

µA

Output Open Load Current

–

2

–

mA

Thermal Fault Temp.

–

170

–

°C

Thermal Fault Hysteresis

–

10

–

°C

OVLO Enable Threshold

Vbb rising

27

30

33

V

OVLO Hysteresis

1.5

V

UVLO Enable Threshold

Vcc falling

3.5

4

4.5

V

UVLO Hysteresis

–

400

–

mV

Timing

Open Fault to Reset Delay

–

–

25

µs

PHASE_X Delay to OPEN Fault

–

30

–

µs

PHASE_X Delay to S.C. Fault

–

5

–

µs

ENABLE_X Delay to Fault

–

5

–

µs

Propagation Delay Times

tpd

IOUT = ±0.35A, 50%TO 90%

ENABLE ON TO SOURCE ON

–

0.3

µs

ENABLE OFF TO SOURCE OFF

–

0.4

µs

ENABLE ON TO SINK ON

–

0.3

µs

ENABLE OFF TO SINK OFF

–

0.2

µs

PHASE CHANGE TO SINK ON

–

4.0

µs

PHASE CHANGE TO SINK OFF

–

0.3

µs

PHASE CHANGE TO SOURCE ON

–

4.0

µs

PHASE CHANGE TO SOURCE OFF

–

0.4

µs

Cross Over Dead Time

1K

0.5

3.0

6.0

µs