STEVAL-IHT008V1 Datasheet, PDF (3/7 Pages) STMicroelectronics – DC bus disconnection at standby to reduce loss below 0.3 W

STEVAL-IHT008V1
Schematic diagram
Figure 2: STEVAL-IHT008V1 control circuit schematic (1 of 3)
AC Line and VDC measurement
R30
HVDC
1M
R31
1M
R34
21.5k
GND_DC
5V_DC
R41
16k
R35
R36
L1
1M
1M
R37
16.2k
VDC_MEAS
VL1_MEAS
ZVS Detection
C11
GND_DC
1u
5V_DC
VL1_MEAS
VN1_MEAS
3
+
U7
TS861
OUT
6
2
-
TP30
ZVS
ZVS
C12
NC
GND_DC
GND_DC
C13
C40
1n
NC
TP31
VL1_MEAS
Max Inrush current order
5V_DC
GND_DC
IMAX
R42
0
5V_DC
TP34
R43
16k
R47
R48
N1
VN1_MEAS
TP32
VN1_MEAS
MAXINRUSH CURRENTORDER
R44
C14
1u
R50
GND_DC
0
1M
1M
R49
C15
C41
NC
1n
16.2k
GND_DC
GND_DC
MCU
5V_DC
NRST
5V_DC
VCAP ^BP_doubler
LED2_ICL
PB_T5
TX
RX
BP_doubler
NRST
VCAP
5V_DC
HVDC_ON
PB_T4
PB_T3
PB_T2
28
PD3
29
PD4
STM8S103K3_LQFP32
U9
30
TX/PD5
31
RX/PD6
32
PD7
1
NRST
2
OSCIN/PA1
3
OSCOUT/PA2
4
VSS
5
VCAP
6
VDD
7
PA3
8
PF4
9
PB7
10
PB6
11
PB5
27
PD2
26
PD1
25
PD0
24
PC7
23
PC6
22
PC5
21
PC4
20
PC3
19
PC2
18
PC1
17
PE5
16
PB0
15
PB1
14
PB2
13
PB3
12
PB4
LED1_ICL
SWIM
PFC_START
T5_CTRL
T4_CTRL
T3_CTRL
T2_CTRL
T1_CTRL
ICL_CNTRL
ZVS
VL1_MEAS
VN1_MEAS
VDC_MEAS
IMAX
PB_T1
R51
10k
C27
10nF
C22
100nF
C23
10uF
C24
10nF
C25
680nF
C26
10nF
J14
4
3
2
1
SWIM
J19
4
3
2
1
PC_COM
NRST
SWIM
5V_DC
TX
RX
J20
2
1
PFC_START
PFC_START
GSPG2801161110SG
DocID028931 Rev 1
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