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TDA5142T

Features: ` Full-wave commutation without position sensors` Built-in start-up circuitry` Six outputs that can drive three external transistor pairs: output current 0.2 A (typ.) low saturation voltage built-in current limiter` Thermal protection` Tacho output without extra sensor` Transconductan...

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TDA5142T: Features: ` Full-wave commutation without position sensors` Built-in start-up circuitry` Six outputs that can drive three external transistor pairs: output current 0.2 A (typ.) low saturation volt...

TDA5142T Data Sheet

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Part Number:
TDA5142T
Supply Ability:
5000

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  • 1~5000
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  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` Full-wave commutation without position sensors
` Built-in start-up circuitry
` Six outputs that can drive three external transistor pairs:
        output current 0.2 A (typ.)
        low saturation voltage
        built-in current limiter
` Thermal protection
` Tacho output without extra sensor
` Transconductance amplifier for an external control transistor
` Motor brake facility.


Application

` High-power applications e.g.:
     high-end hard disk drives
     automotive.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VP
 supply voltage   4 18 V
VI input voltage; all pins except
VMOT		 VI < 18 V -0.3 VP + 0.5 V
VVMOT VMOT input voltage   3 18 V
VO output voltage
FG
AMP OUT
OUT-NA, OUT-NB and OUT-NC
OUT-PA, OUT-PB and OUT-PC		   GND
-
-
0.2		 VP
18
VVMOT - 0.9
-		 V
V
V
V
VI input voltage CAP-ST, CAP-TI,
CAP-CD and CAP-DC		   - 2.5 V
Tstg storage temperature   -55 +150
Tamb
 operating ambient temperature   0 +70
Ptot total power dissipation see Fig.3 - - W
Ves electrostatic handling see Chapter "Handling" - 500 V



Description

The TDA5142T 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.

TDA5143T includes a brake function and 6 pre-drivers able to control FETs or bipolar external transistors. It is ideally suited for high-power applications such as high-end hard disk drives, automotive and other applications.




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