ST PowerSTEP01 EVLPOWERSTEP01 - Figure 4. EVLPOWERSTEP01 Schematic 2 of 2

Figure 4. EVLPOWERSTEP01 schematic 2 of 2
SPI_IN
SPI_OUT
VS
VS_REG
VCC_REG
GND
OPTION
VS
GND
10.5 V - 85 V
SDO
STBY_RESET
STBY_RESET
STCK
STCK
nCS
CK
SDI
BUSY
BUSY
FLAG
FLAG
nCS
CK
FLAG
BUSY
STCK
STBY_RESET ADC_IN
nCS
CK
SDI
SDO
FLAG
BUSY
STBY_RESETSTCK
SW
3V3
3V3
VDD VDD
3V3
VS VS_REG VCC VCC_REG VREG VDD
VDDVS_REG VS
VS_REG VCC_REGVS
VS
R14
R15
13
2
J8
N.M.
1
2
D2
BZX585-B3V3
R11
C15
10 nF/6.3 V
J7
1 2
3 4
5 6
7 8
9 10
JP9
12
JP4
1 2
J5
1 2
3 4
5 6
7 8
9 10
TP2
1
VDD
1
JP10
1 2
DL2
LED - RED
2 1
VREG
1
DL1
LED - AMBER
2
1
J6
N.M.
1
2
3
4
STCK
1
VCC
1
VS
1
JP5
1 2
R13
N.M.
R9 R10
+
C14
/100 V
TP1
1
+
C14A
/100 V
R12
D3
BZX585-B3V6
J4
1
2
JP8
1 2
JP3
1 2
JP6
1 2
JP7
1 2
UM1829 - Rev 2
page 5/21
UM1829
EVLPOWERSTEP01 schematics