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UM1631

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DocID024503 Rev 1

Revision history

Table 10. Document revision history

Date

Revision

Changes

01-Oct-2013

Initial release.

Содержание STEVAL-IHT005V2

Страница 1: ...kHz The power supply provides negative 6 V in buck boost topology The STEVAL IHT005V2 can control 2 high power loads up to 2830 W thanks to the T1635H a 16 A 600 V high temperature Triac and up to 20...

Страница 2: ...on diagram 7 3 2 How to operate the STEVAL IHT005V2 7 3 3 MCU programming 9 3 4 Load and gate control fitting 9 4 Functional description 10 4 1 Phase angle control 10 4 2 Full wave control 10 5 Power...

Страница 3: ...fluence 15 6 3 4 Noise suppressor influence 16 6 3 5 Gate filtering circuit influence 17 6 3 6 Immunity to relay switching 17 Appendix A STEVAL IHT005V2 schematic 19 A 1 Schematic 19 A 2 Demonstration...

Страница 4: ...n in AN2986 Promoted parts are STM32F100C4T6B value line 32 bit MCU T1635H 6T 16 A 600 V 35 mA high temperature Snubberless Triac in TO 220 package ACST1635 8FP 16 A 800 V high temperature overvoltage...

Страница 5: ...demonstration of the board noise robustness Red LED to show that the board is supplied from mains Green LED for each ACS ACST Triac to show that the device is turned ON JTAG programming connector Exte...

Страница 6: ...ransportation handling or use No contact must be made with electronic components and contacts The STEVAL IHT005V2 demonstration board contains electrostatically sensitive components that are prone to...

Страница 7: ...scilloscope Red LED D6 signals the board is properly supplied from the mains It also signals that high voltage is present on the demonstration board It is recommended although not required to turn bot...

Страница 8: ...er loads should be controlled with ACS1 which has continuous gate control T3 is controlled with 2 ms pulses and is used for comparison with ACS2 and ACS3 behavior LED D10 for T3 Z01 LED D7 for ACS1 AC...

Страница 9: ...important Its value must be set according to the minimum load current The load current has to reach the AC switch latching current value to keep the device ON after the gate pulse is removed Latching...

Страница 10: ...6 is based on phase angle control Figure 4 Phase angle control description Phase angle control is based on changing the firing angle delay The firing angle determines the power that is delivered to th...

Страница 11: ...WH VLJQDO Table 2 Initial gate current pulse duration Device Variable name for 50 Hz mains Initial gate pulse duration ms timer steps 1 Variable name for 60 Hz mains Initial gate pulse duration ms tim...

Страница 12: ...ode at supply voltage of 264 Vrms 50 Hz was 499 mW output current 10 mA at output voltage 6 V The power supply uses mains voltage for self supply from high voltage current generator Standby power cons...

Страница 13: ...ty of the VIPer16 supply Current consumption of the MCU and six signal LEDs when turned ON was estimated at 25 mA Total current consumption of the board when all Triacs AC switches are ON with maximum...

Страница 14: ...nch in the VDD map has implemented a capacitor to decrease the VDD variation 6 2 Surge tests results Standard IEC 61000 4 5 tests were performed with surge level of 2 kV which is required for home app...

Страница 15: ...ut it recovers without external intervention class B Reset procedure did not influence the immunity of the devices with higher immunity Table 4 shows immunity level of the ACS Triacs against the burst...

Страница 16: ...capacitor 10 nF C2 C12 C14 C19 C21 C23 and resistor 75 R13 R19 R28 R43 R51 R60 has significant influence on burst immunity of the devices as shown in the tests results below to compare with Table 5 re...

Страница 17: ...3 6 Immunity to relay switching Relay is connected on the board The relay cannot be controlled in zero voltage mode Switching of the relay produces very high dV dt other devices must be immune to thi...

Страница 18: ...Board immunity performances UM1631 18 27 DocID024503 Rev 1 Figure 8 dV dt behavior during turn on...

Страница 19: ...TIOMETER_ACST1635 V DD GND GND R34 V DD 10 k R2 7 R29 R23 6 V V DD 1 2 3 4 Relay RAS 0515 K1 GND NRST NRST R21 100 nF C15 GND V DD BC557A Q1 relay rela y I2C_SCL I2C_SDA 1 2 3 4 5 6 7 8 9 10 11 12 13...

Страница 20: ...STEVAL IHT005V2 schematic UM1631 20 27 DocID024503 Rev 1 A 2 Demonstration board layout Figure 10 STEVAL IHT005V2 top layer Figure 11 STEVAL IHT005V2 bottom layer...

Страница 21: ...T1635H ZVC Zero Voltage Crossing signal 6 V Reference of SMPS output voltage N_VDD Neutral reference and VDD 3 3 V Reference for MCU power supply A2_T1 A2 terminal of T1 VDD MCU power supply voltage...

Страница 22: ...of 0 4 V is used also for BC547B buffer transistor control Rg_tol is tolerance of used resistor typically 1 or 5 IG 0 C is gate current for minimum ambient temperature normally 0 C refer to Triac fami...

Страница 23: ...Capacitor Any 1 C9 10 nF 50 V 0603 SMD Capacitor Any 1 CE1 10 F 50 V Electrolytic capacitor Any 1 CE4 220 F 16 V Electrolytic capacitor Any 1 CE5 10 u F 16 V Electrolytic capacitor Any 1 CE6 N A Elect...

Страница 24: ...05 SMD Resistor Any 4 J1 J2 J3 J4 ARK300V 3P Three pole terminal Any 4 R8 R10 R16 R17 15 0805 SMD Resistor Any 5 R13 R19 R43 R51 R60 75 0 6 W Resistor Any 5 R61 R62 R63 R64 R68 100 0805 SMD Resistor A...

Страница 25: ...temperature Triac STMicroelectronics T1635H 6T 1 T2 16 A ACST ST ACST1635 8FP 1 T3 1 A Triac Standard 4Q Triac ST Z0109MA 1 TR1 P6KE400CA Transil ST P6KE400CA 1 U1 Monolithic AC DC converter ST VIPer...

Страница 26: ...Revision history UM1631 26 27 DocID024503 Rev 1 Revision history Table 10 Document revision history Date Revision Changes 01 Oct 2013 1 Initial release...

Страница 27: ...PYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT ST PRODUCTS ARE NOT DESIGNED OR AUTHORIZED FOR USE IN A SAFETY CRITICAL APPLICATIONS SUCH AS LIFE SUPPORTING ACTIVE IMPLANTED DEVICES OR SYSTEMS WITH PRODU...

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