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STCC08RL Datasheet(PDF) 1 Page - STMicroelectronics |
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STCC08RL Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 13 page  March 2008 Rev 1 1/13 13 STCC08 AC switch failure mode detector Features ■ 3.3 V and 5 V power supply compatible ■ ACS, ACST, TRIAC compatible ■ Gate driver output: 28 mA max sink current ■ Adjustable gate drive current ■ Sense the AC switch voltage in both AC line polarities ■ Diode mode failure detection for solid state AC switches ■ Short circuit failure detection for AC switches, relays, electromechanical switches ■ Open AC switch detection for AC switches, relays, electromechanical switches ■ SO-8 SMD package Benefits ■ Enable appliances to meet IEC 60335-1 and IEC 60730-1 standards ■ Enable appliances to meet IEC 61000-4-4 standard ■ Eliminates high DC current in inductive load, by detecting the diode mode failure ■ Improve system safety monitoring open switch failure with critical loads such as door locks ■ Enable MCU to sense all AC switch failure modes and protect the appliance ■ Less MCU pin allocated to AC failure detection multiple STCC08 designed with resistor dividers uses one I/O ■ Easy to drive with MCU directly connected or through an opto coupler ■ Highly compact with integrated solution in SMD version Applications ■ Home appliances ■ ACS, ACST, TRIAC drive ■ AC switch failure modes detection ■ Zero voltage synchronization Description The STCC08 is an AC switch failure mode detector and an AC power switch driver. It drives the AC switch and informs the MCU of switch failure. The MCU takes the appropriate actions to put the system in a secure state. Diode-mode, short circuit detection and open switch in both AC line polarities are detected. The STCC08 helps home appliances to meet the IEC 60335-1 safety standard. The STCC08 can be easily interfaced to an MCU with its CMOS input AC switch driver and CMOS compatible output for the failure mode detector. SO-8 www.st.com |
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Similar Description - STCC08RL |
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