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TDA5145T Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. TDA5145T
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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June 1994
4
Philips Semiconductors
Product speciļ¬cation
Brushless DC motor drive circuit
TDA5145
PINNING
Note
1. Pin numbers for both DIL and SOL packages are identical.
SYMBOL
PIN(1)
DESCRIPTION
MOT1
1 and 2
driver output 1
TEST
3
test input/output
n.c.
4
not connected
MOT2
5 and 6
driver output 2
VMOT
7 and 8
input voltage for the output driver stages
BRAKE
9
brake input; this pin may not be left ļ¬‚oating, a LOW level voltage must be applied to disable
this function
DIR
10
direction control input; this pin may not be left ļ¬‚oating
FG
11
frequency generator: output of the rotation speed (open collector digital output)
GND2
12
ground supply return for control circuits
VP
13
supply voltage
CAP-CD
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
CAP-TI
17
external capacitor connection for timing
+AMP IN
18
non-inverting input of the transconductance ampliļ¬er
āˆ’AMP IN
19
inverting input of the transconductance ampliļ¬er
n.c.
20
not connected
RESET
21
reset input; this pin may not be left ļ¬‚oating, a LOW level voltage must be applied to disable
this function
AMP OUT
22
transconductance ampliļ¬er output (open collector)
MOT3
23 and 24 driver output 3
n.c.
25
not connected
MOT0
26
input from the star point of the motor coils
GND1
27 and 28 ground (0 V) motor supply return for output stages




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