Data Sheet

ISM4343 Specification
DOC-DS-20074-5.3
Inventek Systems
Page 42
11.2 ISM4343-WBM-L151 Application Circuit –Power Supply
12 ISM4343-WBM-L151 DC POWER CONDITIONING AND
DISTRIBUTION
Appropriate DC voltages are conditioned using the external power IC. Detailed performance
specifications for the combo module and external power ICs are available in their respective device
specifications as below.
12.1 Power Conditioning
Symbol
Parameter
Min
Typ
Max
Unit
VBAT
MCU VBAT Voltage
2.0
3.3
3.6
V
VDD3V3_1
GPIO I/O Supply
2.4
3.3
3.6
V
VDD3V3_2
GPIO I/O Supply
2.4
3.3
3.6
V
VDD3V3_3
GPIO I/O Supply
2.4
3.3
3.6
V
VDD_3V3_WIFI
WiFi Voltage
3.0
3.3
3.6
V
VDD_3V3_WIFI_PA
WiFi PA Voltage
3.0
3.3
3.6
V
VDDIO_WIFI
MCU With WiFi
3.0
3.3
3.6
V
C25
10uF
C29
10uF
U6
XC6222B331MR-G
VDD
1
GND
2
CE
3
NC
4
Vout
5
D2
LED/0603
FB4
MMZ1608B301C
1 2
R87
680
C24
33NF
1
2
EXT_5V
1
C22
10uF
GND1
1
C23
2.2uF
R86
0R
EXT_5V
C36
4.7uF
C35
DNI
C34
DNI
FB7
MMZ1608B301C
1 2
C32
DNI
C33
4.7uF
FB6
MMZ1608B301C
1 2
C31
DNI
VBAT
VDD_3V3
FB8
MMZ1608B301C
1 2
C39
4.7uF
C38
DNI
C37
DNI
FTDI_3V3
JP27
header3
1 2
JP28
header3
1
2
3
JP29
header3
1
2
3
VDD_5V-USB
EXT_5V
5V
5V
C68
10uF
C69
10uF
U8
XC6222B331MR-G
VDD
1
GND
2
CE
3
NC
4
Vout
5
FB13
MMZ1608B301C
1 2
R93 0R
FB5
MMZ1608B301C
1 2
C26
DNI
C27
DNI
C28
4.7uF
VDD_3V3_WIFI_IN
FB9
MMZ1608B301C
1 2
C62
DNI
C63
DNI
C64
4.7uF
VDD3V3_PA
VDD_3V3_Flash
FB10
MMZ1608B301C
1 2
C65
DNI
C66
DNI
C67
4.7uF
VCC33_SDIO
VDD3V3_WiFi_IO
WIFI_EXT_v oltage
FB15
MMZ1608B301C
1 2
JP34
header3
1
2
3
C74
4.7uF
WIFI_EXT_v oltage
1
WIFI_EXT_v oltage
FB14
DNI
1 2
C70
4.7uF
C71
DNI
C72
DNI
VDD_OSC_32K