STEVAL-IHM020V1 STMicroelectronics, STEVAL-IHM020V1 Datasheet - Page 7

• Manufacturer Part Number: STEVAL-IHM020V1
• Description: BOARD DEMO STCC08 AC SW DETECTOR
• Manufacturer: STMicroelectronics
• Type: Motor / Motion Controllers & Driversr

Specifications of STEVAL-IHM020V1

• Main Purpose: Power Management, Triac Controller
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: STCC08, ST7FLITE39F2
• Primary Attributes: AC Switch Driver with Failure Mode Detector
• Secondary Attributes: 4 Toggle Switches for Failure Simulation, Capacitive Power Supply
• Input Voltage: 5 V
• Product: Power Management Modules
• Silicon Manufacturer: ST Micro
• Silicon Core Number: STCC08
• Kit Application Type: Power Management
• Application Sub Type: AC Switch Failure Mode Detector
• Kit Contents: Board Docs
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: ST7LITE39F2
• Other names: 497-8403

UM0583
2.2
2.3
Table 1.
Gate driver
The STCC08 can control up to 10mA IGT TRIACs, ACST and ACS through a “GATE
DRIVER” block designed:
●
●
ACS failure detection
External resistors (R1, R2, R3 and R4) sense the voltage across the ACS. Using these
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.
state according to the AVF signal state and the IN signal state.
to drive the AC switch according to the IN control input state:
–
–
to regulate the gate current of the AC switch, thanks to the internal current controller
Pin
1
2
3
4
5
6
7
8
For IN = “1” = VCC: AC switch turn on
For IN = “0” = GND: AC switch turn off
STCC08 pin definition
Symbol
GND
VCC
AVF
RIG
NC
AC
IN
G
Signal
Signal
Signal
Power
Signal
Signal
Power
Type
Alternating voltage feedback: AC switch state output
AC switch gate current setting
AC switch gate driver output
AC switch state sense input
Power supply reference
Positive power supply
AC switch drive
Not connected
Description
Figure 6
STCC08 description
gives the ACS
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