TDA5143T Datasheet, PDF (4/20 Pages) NXP Semiconductors – Brushless DC motor drive circuit

Philips Semiconductors
Brushless DC motor drive circuit
Product specification
TDA5143T
PINNING
SYMBOL
MOT1
TEST
n.c.
MOT2
VMOT
GND3
FG
GND2
V_P
CAP-CD
CAP-DC
CAP-ST
CAP-TI
+AMP IN
−AMP IN
AMP OUT
MOT3
n.c.
MOT0
GND1
PIN
DESCRIPTION
1
driver output 1
2
test input/output
3
not connected
4
driver output 2
5
input voltage for the output driver stages
6
ground supply; must be connected
7
frequency generator: output of the rotation speed (open collector digital output)
8
ground supply return for control circuits
9
supply voltage
10
external capacitor connection for adaptive communication delay timing
11
external capacitor connection for adaptive communication delay timing copy
12
external capacitor connection for start-up oscillator
13
external capacitor connection for timing
14
non-inverting input of the transconductance amplifier
15
inverting input of the transconductance amplifier
16
transconductance amplifier output (open collector)
17
driver output 3
18
not connected
19
input from the star point of the motor coils
20
ground (0 V) motor supply return for output stages
Fig.2 Pin configuration.
June 1994
4