TDF5242 Ver la hoja de datos (PDF) - Philips Electronics

Número de pieza

componentes Descripción

Fabricante

TDF5242

Brushless DC motor drive circuit

Philips Electronics 

Philips Semiconductors

Brushless DC motor drive circuit

Preliminary specification

TDF5242T

PINNING

SYMBOL PIN

DESCRIPTION

OUT-NB

1 driver output B for driving the

n-channel power FET or power NPN

OUT-PB

2 driver output B for driving the

p-channel power FET or power PNP

GND1

3 ground (0 V) motor supply return for

output stages

OUT-PC

4 driver output C for driving the

p-channel power FET or power PNP

OUT-NC

5 driver output C for driving the

n-channel power FET or power NPN

VMOT

6 input voltage for the output driver

stages

DIR

7 direction input command

TEST

8 test input/output

BRAKE

9 brake input

FG

10 frequency generator: output of the

rotation speed detector stage

GND2

11 ground supply return for control

circuits

n.c.

12 not connected

VP

CAP-CD

13 supply voltage

14 external capacitor connection for

adaptive communication delay timing

CAP-DC

15 external capacitor connection for

adaptive communication delay

timing copy

CAP-ST

16 external capacitor connection for

start-up oscillator

n.c.

17 not connected

CAP-TI

18 external capacitor connection for

timing

+AMP IN 19 non-inverting input of the

transconductance amplifier

−AMP IN 20 inverting input of the

transconductance amplifier

AMP OUT 21 transconductance amplifier output

(open collector)

COMP-A 22 comparator input corresponding to

output A

SYMBOL PIN

DESCRIPTION

COMP-B 23 comparator input corresponding to

output B

COMP-C 24 comparator input corresponding to

output C

n.c.

25 not connected

MOT0

26 input from the star point of the motor

coils

OUT-NA

27 driver output A for driving the

n-channel power FET or power NPN

OUT-PA

28 driver output A for driving the

p-channel power FET or power PNP

handbook, halfpage

OUT-NB 1

28 OUT-PA

OUT-PB 2

27 OUT-NA

GND1 3

26 MOT0

OUT-PC 4

25 n.c.

OUT-NC 5

24 COMP-C

VMOT 6

23 COMP-B

DIR 7

22 COMP-A

TDA5242T

TEST 8

21 AMP OUT

BRAKE 9

20 −AMP IN

FG 10

19 +AMP IN

GND2 11

18 CAP-TI

n.c. 12

17 n.c.

VP 13

CAP-CD 14

16 CAP-ST

15 CAP-DC

MGG987

Fig.2 Pin configuration.

1997 Sep 12

4

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