tda5240t NXP Semiconductors, tda5240t Datasheet - Page 2

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

8
APPLICATIONS
The TDA5240T
the rotor position using an EMF-sensing
Philips Semiconductors
FEATURES
.Full-wave
.Built-in
.Optimum
.Built-in
.Three
.Thermal
.Soft
.Low
.Tacho
.Comparator
.Built-in
.Linear
.PG
.General
GENERAL
QUICK REFERENCE DATA
Measured over full voltage and temperature
Note
1.
November
Vp
Vo
IUM
-0.85
-built-in
microprocessor
Brushless
An unstabilized
SYMBOL
signal output.
slope outputs for low radiation.
current consumption
push-pull outputs:
output without extra sensor.
control of the output stages
start-up circuit
flyback diodes
multiplexer
A output current
purpose
protection
96
DESCRIPTION
commutation
current limiter
commutation
for external position generator
is a bipolar integrated
supply voltage range (note 1 )
current limiting
output
spindle
DC motor
supply can be used;
combining
independent
(using push/pull drivers at the output stages) without position sensors
voltage
driver
by adaptative
internal FG and external PG signal on one pin for easy use with a controlling
( e.g. VCR
at 10 = 100 mA(Upper
drive
circuit used to drive brushless
on motor type or motor loading
technique
PARAMETER
Transients
base-drive
scanner
circuit
(PG) signal
ranges
and is ideally suited as a drive circuit for VCR scanner motors.
of 2 V allowed with max slope 0.1 V/J.ls.
motor).
+ Lower
2/19
transistor)
DC motors in full-wave
4
0.6
MIN.
0.85
0.93
TYPo
mode. The device senses
Product specification
18
1
1.05
TDA5240T
MAX.
~
UNIT