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PAN9028 Bluetooth/Wi-Fi Module
Power Configuration Example with 3.3 V Host Operation (Discrete)
Using the PAN9028 with VIO = 3.3 V and VIO SD = 3.3 V voltage levels disable
the high-speed interfaces, and only SDIO 2.0 and slow UART speed are
available.
To enable high-speed interfaces SDIO 3.0 and High-speed UART, use
VIO = 1.8 V and VIO SD = 1.8 V voltage levels.
VDD 1.8 V
X
DC
1.8 V
Step-up
Dual
Power Configuration Example with 1.8 V Host Operation (PMIC)
VDD 3.3 V
VDD 3.3 V
or Host GPIO
Module Integration Guide Rev. 1.0
3.3 V
DC
DC
3.3 V
2.2 V
DC
Step-down
2.2 V
PMIC
VIN
Enable
88PG823
3.3 V
3.3 V
2.2 V
1.8 V
1.8 V
LDO
1.8 V
1.1 V
LDO
PAN9028
3.3 V
VIO RF
2.2 V
VDD 2.2 V
1.8 V
VDD 1.8 V
1.8 V
VIO / VIO SD
1.1 V
VDD 1.1 V
4 Power Supply
PAN9028
VIO/VIO SD
VIO RF
VDD 2.2 V
VDD 1.8 V
VDD 1.1 V
Page 16 of 34
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