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STEVAL-IHM029V2
Universal motor control evaluation board based on the
STM8S103F2 MCU and T1235T Triac
Data brief
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IEC 61000-4-5 pre-compliance test passed
(surge up to 2 kV)
RoHS compliant
Description
Features
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Input voltage range: 90-265 VAC, 50/60 Hz
12 VDC / 5 VDC auxiliary power supply
based on the VIPer16L in buck converter
topology
Total power consumption below 300 mW in
standby mode
Maximum output power: 1500 W
20-pin, 8-bit STM8S103F2 MCU as main
controller
Employs zero-voltage switching (ZVS) to
synchronize MCU events with the voltage
mains
Motor driven by T1235T Triac in phaseangle control
5 power levels and standby mode selectable
by potentiometer
5 LEDs to display the power level of the
board
“RUN” LED to indicate the board is
functioning
Standard in-circuit programming connector
IEC 61000-4-4 pre-compliance test passed
(burst up to 8 kV)
February 2015
The STEVAL-IHM029V2 is a low-cost universal
motor control evaluation board designed for the
home appliance market, with particular focus on
vacuum cleaners, food processors and power
tools. This system features the 20-pin, 8-bit
STM8S103F2 microcontroller running at 16 MHz
(user-trimmable internal RC clock), featuring 4
KB of Flash memory, a 10-bit A/D converter, 8/16
bit timers, communication interfaces and 640
bytes of E2PROM. The power supply circuitry
features the VIPer16L, an off-line converter with
an 800 V avalanche-rugged power section,
operating at 60 kHz.
The STEVAL-IHM029V2 especially targets
vacuum cleaner applications with power up to
900 W and fulfills the requirements of the
2009/125/EC EU directive, applicable starting in
September 2017, thanks to the T1235T, a 12 A
800 V high performance Triac. The motor control
is based on phase-angle.
In order to limit in-rush current and possible
current peaks, the evaluation board features a
soft-start routine and a smooth power change
function. The board passed the pre-compliance
tests for EMC directives IEC 61000-4-4 (burst up
to 8 kV) and IEC 61000-4-5 (surge up to 2 kV). In
standby mode, the STEVAL-IHM029V2 has an
overall power consumption below 300 mW.
DocID027368 Rev 1
For further information contact your local STMicroelectronics sales
office
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+
C3
4u7
400 V
DR AIN2
DR AIN1
3
R2
C4
nc
LIM
Neutral
C2
4u7
400 V
8
7
FB
1n
nc
C5
R3
GND
VDD
nc
1
2
4
+
D6
P6KE 400 CA
R26
75
C6
10 u
25 V
C11
10n
90k
L2
470u H
R4
33k
R5
D5
STT H1R06
C10
100 n
VDD
C7
100 n
PB 4/I2C_SCL
I2C_SDA/PB 5
PC7(HS)/SP I_MISO
PC6(HS)/SP I_MOSI
PC5(HS)/SP I_SCK
PC4(HS)/AIN2/TIM1_ CH 4/CLK_CC O
PC3(HS)/TIM1_CH 3
PD3(HS)/AIN4/TIM2_CH 2/ADC _ETR
PD2(HS)/AIN3
PD1(HS)/SW IM
Gate
D3
STT H1R06
-12V
D4
STT H1R06
V-12
2
R30 820
C8
100 u
25V
VIN
U2
L7905 CP
VOUT
R32 820
R31 820
R29 820
R28 820
R27 820
P1
50K
12
11
SW IM
VDD
17
16
15
14
13
20
19
18
C23
10n
GND
MAINS
230V~
50Hz
+
L1
1m H
7
C1
47n
275 V~ X2
D2
1N400 7
C12
1u
NRST
RV1
300 V
D1
1N400 7
U1
VIPer16L
TIM2_CH 3/(HS)PA 3
8
1
2
R1
4 7 2W
Line
C22
1n
10
OSCIN/PA 1
OSCOUT/PA 2
BEEP /UART1_CK/PD4(HS)
UART1_TX/AIN5/PD5(HS)
UART1_RX/AIN6/PD6(HS)
A2
4
J1
CON2
Line
R25
220 k
R24
220 k
ZVS
5
6
1
2
3
U3
STM8S103 F2P6
VS S
NR ST
SW IM
VDD
Line
VCAP
Debugger
J3
CON4
Motor
J2
CON2
TR1
T1235 T-8T
VDD
NRST
+
VDD
3
VDD
C9
10u
16V
0V
DL5
LED
VSS
VDD
-5V
DL6
LED
+
2/4
A1
TP2
TP1
VDD
DL4
LED
VDD
DL3
LED
VDD
DL2
LED
VDD
DL1
LED
VDD
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Schematic diagram
STEVAL-IHM029V2
Schematic diagram
Figure 1: STEVAL-IHM029V2 circuit schematic
GSPG140 1151535SG
9
COMP
5
STEVAL-IHM029V2
2
Revision history
Revision history
Table 1: Document revision history
Date
Rev
02-Feb-2015
1
DocID027368 Rev 1
Changes
First release.
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STEVAL-IHM029V2
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