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TDA5141 Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. TDA5141
Description  Brushless DC motor drive circuit
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 4 page
background image
April 1994
4
Philips Semiconductors
Product speciļ¬cation
Brushless DC motor drive circuit
TDA5141
PINNING
SYMBOL
PIN
DIL18
PIN
SO20L
PIN
SO28L
DESCRIPTION
MOT1
1
1
1 and 2
driver output 1
TEST
2
2
3
test input/output
n.c.
3
4
not connected
MOT2
3
4
5 and 6
driver output 2
n.c.
āˆ’āˆ’
7
not connected
VMOT
4
5
8 and 9
input voltage for the output driver stages
PG IN
5
6
10
position generator: input from the position detector sensor to the
position detector stage (optional); only if an external position coil
is used
PG/FG
6
7
11
position generator/frequency generator: output of the rotation
speed and position detector stages (open collector digital output,
negative-going edge is valid)
GND2
7
8
12
ground supply return for control circuits
VP
8
9
13
supply voltage
CAP-CD
9
10
14
external capacitor connection for adaptive communication delay
timing
CAP-DC
10
11
15
external capacitor connection for adaptive communication delay
timing copy
CAP-ST
11
12
16
external capacitor connection for start-up oscillator
CAP-TI
12
13
17
external capacitor connection for timing
+AMP IN
13
14
18
non-inverting input of the transconductance ampliļ¬er
āˆ’AMP IN
14
15
19
inverting input of the transconductance ampliļ¬er
AMP OUT
15
16
20
transconductance ampliļ¬er output (open collector)
n.c.
āˆ’āˆ’
21 and 22 not connected
MOT3
16
17
23 and 24 driver output 3
n.c.
āˆ’
18
25
not connected
MOT0
17
19
26
input from the star point of the motor coils
GND1
18
20
27 and 28 ground (0 V) motor supply return for output stages




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