STCC08 STMicroelectronics, STCC08 Datasheet
STCC08
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STCC08 Summary of contents
Page 1
... 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. Rev 1 ...
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... Alternating voltage feedback: AC switch status output SIGNAL AC switch status sense input POWER Positive power supply SIGNAL AC switch gate driver output SIGNAL AC switch gate current setting POWER Power supply reference IN IN AVF AVF N/C N AVF AVF DRIVER GND Description GND GND STCC08 ...
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... STCC08 Table 2. Pin allocations Pin # Name AVF 3 N GND Table 3. Absolute ratings (T Symbol AVF I AVF T J Table 4. Recommended operating conditions Symbol SHUNT T AMB T J Logic AC switch drive Alternating voltage feedback: AC switch status output Not connected AC switch status sense input Positive power supply ...
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... Gate through ACS; Total Peak Pulse Voltage Burst, IEC G (1) 61000-4-4 Alternating current through R AC (1) Burst, IEC 61000-4-4 Min Typ Max =30 Ω 0.7*V CC 0.3 236 0.7*V CC 0.3*V 1 Value 140 Value = 300 kΩ; ESD protection, AC (1) ; Total Peak Pulse Voltage AC STCC08 Unit µA mA µ Unit °C/W Unit ±8 kV ±6 kV ±4 kV ...
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... AC switch failure modes through MCU diagnostic. It embeds a logic switch driver switch diode mode detection, a short circuit detection and an AC switch open detection. STCC08 can be powered power supply voltage. Switch driver This driver is a logic level buffer (CMOS compatible) interfacing directly with the AC switch and the microcontroller ...
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... The AVF block monitors the state of the AC switch in both AC polarities. Its output AVF is transmitted to the MCU for failure detection. The MCU detects the failure according to the following truth table: Table 8. STCC08 status truth table with R IN (MCU generated ...
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... READING TIME The microcontroller can store the AC switch drive signal in a RAM register when it is driving the STCC08 input. Therefore it can save gate energy while determining conduction state from this RAM register and multiplexing this information with AVF signal. AC LINE: High voltage between AC line and neutral LOAD CURRENT: Current through the AC load IN: MCU output driving the STCC08 IN input ...
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... Recommendations The STCC08 is designed for 5 and 10 mA ACSs, ACSTs and TRIACs. STCC08 basic application The microcontroller reads the AC switch state from the AVF output of the STCC08. The microcontroller can power-off the application driving a front-end relay. Figure 6. Non-insulated application NEUTRAL ...
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... The ACS clamping capability, from 800 V to 1100 V reduces the stress across R during an AC line over-voltage. This provides a robust solution and allows setting high voltage resistors R maximum over-voltage. STCC08 AVF alarms configuration Figure 8. Open load and Short circuit ACS discrimination NEUTRAL ...
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... Application information Table 9. STCC08 status truth table with R IN (MCU generated STCC08 ZVS application Figure 9. ZVS application schematic NEUTRAL ACS R LINE AC The gate driver drives an ACS while the failure detector is used independently for ZVS detection 10/13 removed SHUNT AVF Open collector ...
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... STCC08 4 Package information ● Epoxy meets UL94 order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label ...
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... Ordering information 5 Ordering information Table 11. Ordering information Order code STCC08 STCC08RL 6 Revision history Table 12. Document revision history Date 20-Mar-2008 12/13 Marking Weight STCC08 0.08 g STCC08 0.08 g Revision 1 Initial release. STCC08 Base Qty Delivery Mode 100 Tube 2500 Tape and reel 13” Changes ...
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... STCC08 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...