TDA5146T Philips Semiconductors, TDA5146T Datasheet - Page 4

• Manufacturer Part Number: TDA5146T
• Description: Brushless DC motor drive circuit
• Manufacturer: Philips Semiconductors

1. Pins 10,11,12,17,18,19 have to be connected to the ground for higher dissipation
Philips Semiconductors
PINNING
NOTE:
1994 May 18
Symbol
CAP–CDS
CAP–ST
CAP–TI
GND
PWMOUT
V
PWM_IN
RESET
MOT3
NC
MOT0
GND1
MOT1
TEST
NC
MOT2
VMOT
BRAKE
DIR
FG
GND2
V
CAP–CDM
SUP
P
Brushless DC motor drive circuit
17,18,19,20
10,11,12
Pin
13
14
15
16
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
Description
external capacitor connection for adaptive commutation delay timing copy
external capacitor connection for start–up oscillator
external capacitor connection for timing
ground supply for the FET driver stage
FET driver stage output
positive supply for the FET driver stage
FET driver stage input
reset input
driver output 3
not connected
input from the star point of the motor coils
ground (0 V) motor supply return for output stages
driver output 1
test input/output
not connected
driver output 2
input voltage for the output driver stages
brake input
direction control input
frequency generator: output of the rotation speed and position detector stages (open collector digi-
tal output, negative – going edge is valid)
ground supply return for control circuits
positive supply voltage
external capacitor connection for adaptive commutation delay timing
CAP–CDS
PWMOUT
PWM_IN
CAP–ST
Figure 2. Pin configuration
CAP–TI
RESET
MOT3
MOT0
GND1
V
GND
SUP
NC
NC
NC
10
11
12
13
14
1
2
3
4
5
6
7
8
9
4
28
27
26
25
24
23
22
21
20
19
18
17
16 TEST
15 MOT1
CAP–CDM
V
GND2
FG
DIR
BRAKE
V
MOT2
NC
NC
NC
NC
P
MOT
SL01520
TDA5146T
Product specification