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Part: TDF5140AP
Category:
Power Management
-> Motor Controller/Drivers
-> DC Motor drivers/Controllers
-> DC Motor drivers
Description:
Company: Philips Semiconductors
Datasheet: Download TDF5140AP datasheet File size : 455 kB
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Datasheet text preview:
INTEGRATED CIRCUITS
TDF5140A Brushless DC motor drive circuit
Product specification 1999 March 15
Philips Semiconductors
Philips Semiconductors
Product specification
Brushless DC motor drive circuit
FEATURES · Full-wave commutation (using push/pull drivers at the output stages) without position sensors · Built-in start-up circuitry · Three push-pull outputs: 0.8 A output current (typ.) low saturation voltage built-in current limiter · Thermal protection · Flyback diodes · Tacho output without extra sensor · Position pulse stage for phase-locked-loop control · Transconductance amplifier for an external control transistor. QUICK REFERENCE DATA Measured over full voltage and temperature range. SYMBOL VP VVMOT VDO ILIM Notes 1. An unstabilized supply can be used. 2. VVMOT = VP; +AMP IN = -AMP IN = 0 V; all outputs IO = 0 mA. ORDERING INFORMATION PACKAGE EXTENDED TYPE NUMBER PINS TDF5140A 18 PIN POSITION DIL MATERIAL plastic PARAMETER supply voltage input voltage to the output driver stages drop-out output voltage current limiting note 1 note 2 IO = 100 mA VVMOT = 10 V; RO = 3.9 CONDITIONS 4 1.7 - 0.7 MIN. - - 0.93 0.8 TYP. GENERAL DESCRIPTION APPLICATIONS · VCR · Laser beam printer · Fax machine · Blower · Automotive.
TDF5140A
The TDF5140A is a bipolar integrated circuit used to drive 3-phase brushless DC motors in full-wave mode. The device is sensorless (saving of 3 hall-sensors) using the back-EMF sensing technique to sense the rotor position.
MAX. 18 20 1.05 1 V V V A
UNIT
CODE SOT102
1999 March 15
2
Philips Semiconductors
Product specification
Brushless DC motor drive circuit
BLOCK DIAGRAM
TDF5140A
AMP OUT 15 -AMP IN +AMP IN 13 14 C TRANSONDUCTANCE A MPLIFIER
VMOT 4
CAP-ST
11
OSTART-UP SCILLATOR
DH
PF SH/PULL U LYBACK 1 MOT1
CAP-DC CAP-CD
10 9
C ADAPTIVE OMMUTATION D ELAY
DL
OUTPUT D S RIVER TAGE 1
TEST
2
P THERMAL ROTECTION
TIMING
COMMUTATION L OGIC 3
CAP-TI
12 DB IDE IV Y2
OUTPUT DRIVER STAGE 2 ROTATION P OSITION S PEED & D OTECTOR E S TPUT U TAGE
MOT2
PG/FG
6
D OSITION P ETECTOR S TAGE
OUTPUT DRIVER STAGE 3
16
MOT3
TDF5140A
17 EMF COMPARATORS 5 PGIN 7 GND2 18 GND1 8
MGH313
MOT0
VP
Fig.1 Block diagram
1999 March 15
3
Others parts begin by td
TD-1 TD-2 TD-3 TD-4 TD-5 TD-6 TD-7 TD-8 TD-9 TD-10 TD-11 TD-12 TD-13 TD-14 TD-15 TD-16 TD-17 TD-18 TD-19 TD-20 TD-21
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