tda5240t NXP Semiconductors, tda5240t Datasheet - Page 6

• Manufacturer Part Number: tda5240t
• Description: Brushless Dc Motor Drive Circuit
• Manufacturer: NXP Semiconductors

-
.
The TDA5240T
The TDA5240T
The TDA5240T
Philips
FUNCTIONAL
drive and full-wave
motors. It can easily be adapted for different motors and applications.
.Sensorless
.Built-in
.Optimum
.Built-in
.Three
.High
.Outputs
.Low
.Soft
.Accurate
.Comparator
.Built-in
.Linear
LIMITING
In accordance
I Ptot
~
I Tamb
November 96
Vp
VI
Vo
Vo
VI
SYMBOL
microprocessor
Brushless
slope outputs for low radiation
current consumption
Semiconductors
output current (0.85 A)
phase full-wave
control of the output stages.
flyback diodes
start-up circuit
multiplexer
VALUES
protected
frequency
commutation,
I total
I~ge
commutation
supply voltage
input
output voltage; PGOUT and PG/FG
output voltage; MOTO, MOT1, MOT2 and MOT3
input voltage; CAP-ST, CAP- TI, CAP-CD and CAP-DC
operating
for external position generator
with the Absolute
DESCRIPTION
offers a sensorless
offers protected outputs capable of handling high currents and can be used with star or delta connected
offers the following
DC motor drive circuit
drive.
power
voltage;
by current limiting and thermal protection
combining
generator
temperature
ambient temperature
drive
dissipation
independent
by using the motor EMF
by adaptive base-drive
all pins except
internal FG and external PG signals on one pin for easy use with a controlling
(FG) by using the motor EMF
Maximum
three phase motor drive function.
features:
range
PARAMETER
of motor type or motor loading
Rating System (IEC 134).
Vp (VI < 8 V)
(PG) signal
range
6/19
of each output transistor
It is unique in its combination
-0.3
-1
GND
-55
-10
MIN.
Vp + 0.5
18
Vp
Vp + VD
2.5
see power
derating
curve
+150
+70
MAX.
Product specification
of sensorless
TDA5240T
v
v
v
v
v
°c
°c
UNIT
motor