TDA5240T Datasheet, PDF (5/19 Pages) NXP Semiconductors – Brushless DC motor drive circuit

Philips Semiconductors
Brushless DC motor drive circuit
Product specification
TDA5240T
PINNING
SYMBOL
GND1
n.c.
MOT2
n.c.
V_P
PGIN
FGPG
GND2
PGOUT
CAP–CDM
CAP–CDS
CAP–ST
CAP–TI
CTL IN
MOT0
CAP–CPC
n.c.
MOT3
n.c.
MOT1
PIN
DESCRIPTION
1
ground (0 V) motor supply return for output stages
2
not connected
3
driver output 2
4
not connected
5
positive supply voltage
6
position generator: input from the position detector sensor to the position detector
stage (optional)
7
FG/PG (open collector)
8
ground supply return for control circuits
9
position generator output of the position detector stage
10
external capacitor connection for commutation delay timing
11
external capacitor connection for commutation delay timing copy
12
external capacitor connection for start–up oscillator
13
external capacitor connection for timing
14
non–inverting input of the control amplifier
15
input from the start point of the motor coils
16
external capacitor for stability of control loop
17
not connected
18
driver output 3
19
not connected
20
driver output 1
GND1 ¹
n.c. ²
MOT2 ³
NC 4
V_P 5
PGIN 6
FGPG 7
GND2 8
PGOUT 9
CAP–CDM 10
TDA5240T
20 ^MOT1
19 _n.c.
18 _MOT3
17 _n.c.
16 _CAP–CPC
15 _MOT0
14 _{CTL IN}
13 _CAP–TI
12 _CAP–ST
11 _CAP–CDS
Fig. 3 Pin configuration
November 96
5/19