June 1994

8

Philips Semiconductors

Product specification

Brushless DC motor drive circuit

TDA5142T

Notes

1. An unstabilized supply can be used.

3. Switching levels with respect to driver outputs OUT-NA, OUT-NB, OUT-NC, OUT-PA, OUT-PB and OUT-PC.

FG (push-pull)

LOW level output voltage

−−

0.4

V

HIGH level output voltage

−

V

HIGH-to-LOW transition time

0.5

−µs

ratio of FG frequency and

commutation frequency

−

1

−

CAP-ST

output sink current

1.5

2.0

2.5

µA

output source current

−2.5

−2.0

−1.5

µA

LOW level switching voltage

−

0.20

−

V

HIGH level switching voltage

−

2.20

−

V

CAP-TI

output sink current

−

28

−µA

output source current

−−57

−µA

−−5

−µA

LOW level switching voltage

−

50

−

mV

MIDDLE level switching voltage

−

0.30

−

V

HIGH level switching voltage

−

2.20

−

V

CAP-CD

output sink current

10.6

16.2

22

µA

output source current

−5.3

−8.1

−11

µA

1.85

2.05

2.25

LOW level input voltage

850

875

900

mV

HIGH level input voltage

2.3

−

2.5

V

CAP-DC

output sink current

10.1

15.5

20.9

µA

output source current

−20.9

−15.5

−10.1

µA

0.9

1.025

1.15

LOW level input voltage

850

875

900

mV

HIGH level input voltage

2.3

−

2.5

V

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT