Product Summary

The TCA785P is a phase control IC. It is intended to control thyristors, triacs, and transistors. The trigger pulses can be shifted within a phase angle between 0℃ and 180℃. Typical applications of the TCA785P include converter circuits, AC controllers and three-phase current controllers.

Parametrics

TCA785P absolute maximum ratings: (1)Supply voltage VS: min=-0.5 V, max=18 V; (2)Output current at pin 14, 15 IQ: min=-10 mA, max=400 mA; (3)Inhibit voltage V6: min=-0.5 V, max=Vs V; Control voltage V11: min=-0.5 V, max=Vs V; Voltage short-pulse circuit V13: min=-0.5 V, max=Vs V; (4)Synchronization input current V5: min=-200 μA, max=±200 μA; (5)Output voltage at pin 14, 15 VQ: max=VS V; (6)Output current at pin 2, 3, 4, 7 IQ: max=10 mA; (7)Output voltage at pin 2, 3, 4, 7 VQ: max=VS V; (8)Thermal resistance system - air Rth SA: 80 K/W.

Features

TCA785P features: (1)Reliable recognition of zero passage; (2)Large application scope; (3)May be used as zero point switch; (4)LSL compatible; (5)Three-phase operation possible (3 ICs); (6)Output current 250 mA; (7)Large ramp current range; (8)Wide temperature range.

Diagrams

TCA785P block diagram

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