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TDA1085C - UNIVERSAL MOTOR SPEED CONTROLLER

General Description

The TDA 1085C triggers a triac accordingly to the speed regulation requirements.

Motor speed is digitally sensed by a tachogenerator and then converted into an analog voltage.

Key Features

  • or speed will have high acceleration, excluding the time for V Pin 4 to go from V Pin 6 to two times this value, high acceleration again, up to the moment the motor has reached the set speed value, at which it will stay, see Figure 3. Should a reset happen (whatever the cause would be), the above mentioned successive ramps will be fully reprocessed from 0 to the maximum speed. If VPin 6 = 0, only the high acceleration ramp occurs. To get a real zero speed position, Pin 5 has been designed in suc.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Order this document by TDA1085C/D TDA1085C Universal Motor Speed Controller The TDA1085C is a phase angle triac controller having all the necessary functions for universal motor speed control in washing machines. It operates in closed loop configuration and provides two ramp possibilities. • On–Chip Frequency to Voltage Converter UNIVERSAL MOTOR SPEED CONTROLLER SEMICONDUCTOR TECHNICAL DATA • • • • • • On–Chip Ramps Generator Soft–Start Load Current Limitation Tachogenerator Circuit Sensing Direct Supply from AC Line Security Functions Peformed by Monitor 16 1 16 1 PLASTIC PACKAGE CASE 648 D SUFFIX PLASTIC PACKAGE CASE 751B (SO–16) ORDERING INFORMATION Device TDA1085CD TDA1085C Operating Temperature Range TJ = – 10° to +120°C Package SO–16 Plastic DIP Figure 1.