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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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TDA5145TS 데이터시트(PDF) 4 Page - NXP Semiconductors |
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TDA5145TS 데이터시트(HTML) 4 Page - NXP Semiconductors |
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4 / 20 page  1998 Oct 27 4 Philips Semiconductors Product specification Brushless DC motor drive circuit TDA5145TS PINNING SYMBOL PIN DESCRIPTION MOT1 1 driver output 1 MOT1 2 driver output 1 TEST 3 test input/output MOT2 4 driver output 2 MOT2 5 driver output 2 VMOT 6 input voltage for the output driver stages VMOT 7 input voltage for the output driver stages BRAKE 8 brake input; this pin may not be left floating, a LOW-level voltage must be applied to disable this function DIR 9 direction control input; this pin may not be left floating GND2 10 ground supply return for control circuits VP 11 supply voltage CAP-CD 12 external capacitor connection for adaptive communication delay timing CAP-DC 13 external capacitor connection for adaptive communication delay timing copy CAP-ST 14 external capacitor connection for start-up oscillator CAP-TI 15 external capacitor connection for timing n.c. 16 not connected n.c. 17 not connected RESET 18 reset input; this pin may not be left floating, a LOW-level voltage must be applied to disable this function n.c. 19 not connected MOT3 20 driver output 3 MOT3 21 driver output 3 MOT0 22 input from the star point of the motor coils GND1 23 ground (0 V) motor supply return for output stages GND1 24 ground (0 V) motor supply return for output stages FUNCTIONAL DESCRIPTION The TDA5145TS offers a sensorless 3-phase motor drive function. It is unique in its combination of sensorless motor drive and full-wave drive. The TDA5145TS offers protected outputs capable of handling high currents and can be used with star or delta connected motors. It can easily be adapted for different motors and applications. The TDA5145TS offers the following features: • Sensorless commutation by using the motor EMF • Built-in start-up circuit • Optimum commutation, independent of motor type or motor loading • Built-in flyback diodes • Three phase full-wave drive • High output current (2.0 A) • Outputs protected by current limiting and thermal protection of each output transistor • Low current consumption by adaptive base-drive • Soft-switching pulse output for low radiation • Direction of rotation controlled by one pin • Brake function. Fig.2 Pin configuration. handbook, halfpage MOT1 MOT1 TEST MOT2 MOT2 VMOT VMOT BRAKE DIR GND2 VP CAP-CD GND1 GND1 MOT0 MOT3 n.c. RESET MOT3 n.c. n.c. CAP-TI CAP-ST CAP-DC 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 TDA5145TS MGR392 |
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