TCA785XK Infineon Technologies, TCA785XK Datasheet
TCA785XK
Specifications of TCA785XK
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TCA785XK Summary of contents
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Phase Control IC Pb-free lead plating; RoHS compliant Features Reliable recognition of zero passage Large application scope May be used as zero point switch LSL compatible Three-phase operation possible (3 ICs) Output current 250 mA Large ramp current range Wide ...
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Functional Description The synchronization signal is obtained via a high-ohmic resistance from the line voltage (voltage zero voltage detector evaluates the zero passages and transfers them to the 5 synchronization register. This synchronization register controls a ramp ...
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Pulse Diagram Semiconductor Group 3 TCA 785 ...
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Absolute Maximum Ratings Parameter Supply voltage Output current at pin 14, 15 Inhibit voltage Control voltage Voltage short-pulse circuit Synchronization input current Output voltage at pin 14, 15 Output current at pin Output voltage at pin ...
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Characteristics (cont’ – 25 ˚ Parameter Ramp generator Charge current Max. ramp voltage Saturation voltage at capacitor Ramp resistance Sawtooth return time Inhibit pin 6 switch-over of pin 7 Outputs disabled Outputs enabled ...
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Characteristics (cont’ – 25 ˚ Parameter Outputs pin 14, 15 H-output voltage – 250 mA Q L-output voltage = Pulse width (short pulse) S9 open Pulse width ...
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Application Hints for External Components min Ramp capacitance 500 Triggering point Charge current = I 10 Pulse Extension versus Temperature 1) Attention to flyback times 1. Semiconductor Group ...
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Output Voltage measured Supply Current versus Supply Voltage Semiconductor Group S 8 TCA 785 ...
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It is necessary for all measurements to adjust the ramp with the aid e. nF Test Circuit 1 Semiconductor Group and R in the way that ...
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The remaining pins are connected as in test circuit 1 Test Circuit 2 The remaining pins are connected as in test circuit 1 Test Circuit 3 Semiconductor Group 10 TCA 785 ...
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Remaining pins are connected as in test circuit 1 The 10 F capacitor at pin 5 serves only for test purposes Test Circuit 4 Test Circuit 5 Semiconductor Group Test Circuit 6 11 TCA 785 ...
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Inhibit 6 Pulse Extension 12 Semiconductor Group Long Pulse 13 Reference Voltage 8 12 TCA 785 ...
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Application Examples Triac Control for Gate Trigger Current A phase control with a directly controlled triac is shown in the figure. The triggering angle of the triac can be adjusted continuously between 0˚ and 180˚ with ...
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Fully Controlled AC Power Controller Circuit for Two High-Power Thyristors Shown is the possibility to trigger two antiparalleled thyristors with one IC TCA 785. The trigger pulse can be shifted continuously within a phase angle between 0˚ and 180˚ by ...
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Half-Controlled Single-Phase Bridge Circuit with Trigger Pulse Transformer and Direct Control for Low-Power Thyristors Semiconductor Group 15 TCA 785 ...
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Half-Controlled Single-Phase Bridge Circuit with Two Trigger Pulse Transformers for Low-Power Thyristors Semiconductor Group 16 TCA 785 ...