This document describes the STCC08 device features and gives technical recommendations for implementing the STCC08 in the appliance and achieving robust STCC08 design regarding EMI tests (IEC 61000-4-4).
The document describes the STCC08 device, a component designed to improve the safety of home appliances by driving up to 10 mA AC switches (TRIAC, ACST, ACS) and providing feedback on their state. It details the three functional blocks: a gate driver for controlling the switch, a power switch signal shaping block for measuring voltage, and an AVF driver for sending digital status information to a microcontroller.
The guide offers technical recommendations for implementing the STCC08 in appliances, including component value selection, AC switch control logic, failure mode detection (short circuit, open circuit, diode mode), and synchronization of signal reading. It also includes specific advice on achieving robust designs regarding EMI tests according to IEC 61000-4-4 standards.
| Max AC switch drive current | 10 mA |
|---|---|
| Power supply compatibility | 3.3 V and 5 V |
The device can drive up to 10 mA of gate current for AC switches.
The device is compatible with 3.3 V and 5 V power supplies.
A maximum 300 kQ resistor value is recommended for the AVF pull-up.