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TDA5140A Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. TDA5140A
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
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April 1994
4
Philips Semiconductors
Product speciļ¬cation
Brushless DC motor drive circuit
TDA5140A
PINNING
SYMBOL
PIN
DIL18
PIN
SO20
DESCRIPTION
MOT1
1
1
driver output 1
TEST
2
2
test input/output
n.c.
3
not connected
MOT2
3
4
driver output 2
VMOT
4
5
input voltage for the output driver stages
PG IN
5
6
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
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
ground supply return for control circuits
VP
8
9
positive supply voltage
CAP-CD
9
10
external capacitor connection for adaptive communication delay timing
CAP-DC
10
11
external capacitor connection for adaptive communication delay timing copy
CAP-ST
11
12
external capacitor connection for start-up oscillator
CAP-TI
12
13
external capacitor connection for timing
+AMP IN
13
14
non-inverting input of the transconductance ampliļ¬er
āˆ’AMP IN
14
15
inverting input of the transconductance ampliļ¬er
AMP OUT
15
16
transconductance ampliļ¬er output (open collector)
MOT3
16
17
driver output 3
n.c.
āˆ’
18
not connected
MOT0
17
19
input from the star point of the motor coils
GND1
18
20
ground (0 V) motor supply return for output stages




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