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TDA5146T Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. TDA5146T
Description  Brushless DC motor drive circuit
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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Philips Semiconductors
Product specification
TDA5146T
Brushless DC motor drive circuit
1994 May 18
4
PINNING
Symbol
Pin
Description
CAP–CDS
1
external capacitor connection for adaptive commutation delay timing copy
CAP–ST
2
external capacitor connection for start–up oscillator
CAP–TI
3
external capacitor connection for timing
GND
4
ground supply for the FET driver stage
PWMOUT
5
FET driver stage output
VSUP
6
positive supply for the FET driver stage
PWM_IN
7
FET driver stage input
RESET
8
reset input
MOT3
9
driver output 3
NC
10,11,12
not connected
MOT0
13
input from the star point of the motor coils
GND1
14
ground (0 V) motor supply return for output stages
MOT1
15
driver output 1
TEST
16
test input/output
NC
17,18,19,20
not connected
MOT2
21
driver output 2
VMOT
22
input voltage for the output driver stages
BRAKE
23
brake input
DIR
24
direction control input
FG
25
frequency generator: output of the rotation speed and position detector stages (open collector digi-
tal output, negative – going edge is valid)
GND2
26
ground supply return for control circuits
VP
27
positive supply voltage
CAP–CDM
28
external capacitor connection for adaptive commutation delay timing
NOTE:
1. Pins 10,11,12,17,18,19 have to be connected to the ground for higher dissipation
SL01520
1
2
3
4
5
6
7
8
9
10
11
12
17
18
19
20
21
22
23
24
25
26
27
28
CAP–CDS
CAP–ST
CAP–TI
GND
PWMOUT
VSUP
PWM_IN
RESET
MOT3
NC
NC
CAP–CDM
VP
GND2
FG
DIR
BRAKE
VMOT
NC
MOT2
NC
NC
NC
NC
13
16 TEST
MOT0
14
15 MOT1
GND1
Figure 2. Pin configuration




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