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UM0583

Bill of materials

 21/23

J2

LIGHT BULB - 

15 W at

230 V

RMS

15 W

J3

Female 

connector

HE10 - 2x5

F1

Fuse

250 V/   

1 A

SW1, SW2, 

SW3, SW4

Switch

250 V

SW5

Switch

60 V

TP1, TP2, TP3, 
TP4, TP5, TP6, 
TP7, TP8, TP9, 

TP12

Test point

DRILL 1.4 mm

Table 5.

Bill of material (continued)

Ref.

Part/value

Tolerance 

(%)

Voltage/

current

Watts

Technology 
information 

Package footprint

Downloaded from 

Elcodis.com

 

electronic components distributor

 

Содержание STEVAL-IHM020V1

Страница 1: ...witch failures This solution embeds a switch driver and an AC switch state detector It contributes to system safety by monitoring AC switches driving sensitive loads such as drain pumps door locks hea...

Страница 2: ...DC capacitive power supply 10 4 Using the demonstration board 12 4 1 Load 12 4 2 Measurement points 12 4 3 Getting started 13 4 3 1 Procedure 13 5 IEC 61000 4 4 Burst immunity test 16 5 1 Test condit...

Страница 3: ...Application diagram 6 Figure 6 AC switch failure detection principle 8 Figure 7 Measurement points top layer view 12 Figure 8 STCC08 demonstration board top view 13 Figure 9 Short circuit detection 15...

Страница 4: ...sentation and datasheets 1 2 Board presentation Figures 2 and 3 show the board and the main components used Figure 2 Main components used top view Figure 3 Main components used top view AM01337v1 AC s...

Страница 5: ...C08 CNTRL LED D5 used to see whether or not the AC switch has been controlled by the user LEDs to define the ACS state A DIODE LED D6 to visualize an ACS failure in diode mode in both AC line cycles T...

Страница 6: ...AVF driver block is used to send the AC switch state to the MCU The AVF output is an open collector and should be loaded with an external resistor or connected directly to the MCU in pull up input con...

Страница 7: ...e resistors the STCC08 constantly monitors the ACS state Knowing the STCC08 IN input state the ACS state can be deduced by analyzing the AVF signal Figure 6 gives the ACS state according to the AVF si...

Страница 8: ...COM RAC AC switch Load Line ILoad RShunt VAC VCC VAVF VAC ILoad VCC COM RAC Load Line ILoad RShunt AC switch VCC RAVF STCC08 VAVF AVF AC VCC VAVF VAC ILoad VCC COM RAC Load Line ILoad RShunt AC switch...

Страница 9: ...home appliance front end relay Note If the AC switch is damaged in short circuit the CC LED is ON D8 f the AC switch is damaged only in one direction diode mode the DIODE LED is ON D6 Table 2 AVF out...

Страница 10: ...the GND voltage is 5 V below neutral Such a connection is mandatory to drive the ACS Indeed the ACS can only be triggered by a negative current i e sourced from the gate The maximum average current a...

Страница 11: ...the surge current when the board is powered a 39 R14 resistor is connected in series with the C16 capacitor Moreover note that for 110 VRMS AC line voltage the VCC decreases 3 8 V but the STCC08 demon...

Страница 12: ...ocated on the board Table 4 gives the measurement point definitions Figure 7 Measurement points top layer view Table 4 Measurement points Footprint name Description L TP2 Line N TP1 Neutral OUT TP6 An...

Страница 13: ...oscope with the demonstration board it is safer to isolate it from the AC line This prevents electric shocks which can occur as a result of touching any single point in the circuit but does not preven...

Страница 14: ...NO position and SW5 to the OFF position In this case the DIODE D6 LED is on To simulate a short circuit of the ACS Put the N DIODE MODE SW2 and P DIODE MODE SW3 switches in the YES position SW1and SW...

Страница 15: ...n Figure 10 Diode mode detection Figure 11 Open circuit detection AM01344v1 Q1 Q4 Q2 Q3 Q5 Q6 IN AVF AC Line ILoad AM01345v1 Q1 Q4 Q2 Q3 Q5 Q6 IN AVF AC Line ILoad AM01346v1 Q1 Q4 Q2 Q3 Q5 Q6 IN AVF A...

Страница 16: ...has been tested load OFF and ON The burst withstanding level is higher than 4 kV without spurious triggering of the ACS or ST7Lite3 MCU loss whatever the coupling mode to L N PE etc 5 3 Recommendatio...

Страница 17: ...riables are cleared and only the main registers keep their previous values AC switch status AC switch control etc Use the watchdog properly Enable the watchdog as soon as possible after reset and neve...

Страница 18: ...how to connect the STCC08 to an MCU non insulated version Give the user the opportunity to evaluate a full ST solution microcontroller STCC08 This user manual is intended to help home appliance desig...

Страница 19: ...AVF 2 NC 3 AC 4 GND 8 RIG 7 GATE 6 VCC 5 R19 470 R18 470 R23 43 SW4 IN_MCU AC TP1 N COM VCC TP12 ON OFF STCC08 CNTRL R7 56k AC C16 1n TP3 Com VCC C5 10n 16V R8 56k J1 AC Mains 1 2 3 D3 1N4007 D4 1N400...

Страница 20: ...4 W SMD 1206 R18 R19 R20 R21 R22 475 5 1 4 W SMD 1206 R23 43 2 1 0 125 W SMD 1206 C1 2200 F 20 16 V Radial electrolytic C2 C3 100 nF 20 50 V SMD 1206 C8 C9 120 nF 20 SMD 1206 C13 10 nF 20 50 V SMD 12...

Страница 21: ...250 V 1 A SW1 SW2 SW3 SW4 Switch 250 V SW5 Switch 60 V TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP12 Test point DRILL 1 4 mm Table 5 Bill of material continued Ref Part value Tolerance Voltage current Watt...

Страница 22: ...Revision history UM0583 22 23 Revision history Table 6 Document revision history Date Revision Changes 12 Nov 2008 1 Initial release Downloaded from Elcodis com electronic components distributor...

Страница 23: ...S FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT UNLESS EXPRESSLY APPROVED IN WRITING BY...

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