tda5144t NXP Semiconductors, tda5144t Datasheet - Page 4

• Manufacturer Part Number: tda5144t
• Description: Brushless Dc Motor Drive Circuit
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PINNING
June 1994
MOT1
TEST
n.c.
MOT2
n.c.
VMOT
GND3
FG
GND2
V
CAP-CD
CAP-DC
CAP-ST
CAP-TI
+AMP IN
AMP OUT
n.c.
MOT3
n.c.
MOT0
GND1
SYMBOL
AMP IN
P
Brushless DC motor drive circuit
SO20
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
PIN
21 and 22 not connected
23 and 24 driver output 3
27 and 28 ground (0 V) motor supply return for output stages
1 and 2
5 and 6
8 and 9
SO28
10
12
13
15
11
14
16
17
18
19
20
25
26
3
4
7
driver output 1
test input/output
not connected
driver output 2
not connected
input voltage for the output driver stages
ground supply; must be connected
frequency generator: output of the rotation speed (open collector digital output)
ground supply return for control circuits
supply voltage
external capacitor connection for adaptive communication delay timing
external capacitor connection for adaptive communication delay timing copy
external capacitor connection for start-up oscillator
external capacitor connection for timing
non-inverting input of the transconductance amplifier
inverting input of the transconductance amplifier
transconductance amplifier output (open collector)
not connected
input from the star point of the motor coils
4
DESCRIPTION
Product specification
TDA5144