Hardware Guide

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FIBOCOM MC116-NA Series Hardware Guide Page 21 of 63
4 Electrical Characteristics
4.1 Power
Table 4-1 shows the power interface of MC116-NA series module.
Table 4-1 Power interface
Pin Name I/O Pin Description
VBAT_RF PI 57, 58 Module power supply, 3.3V~4.3V, typical value 3.8V
VBAT_BB PI 59, 60 Module power supply, 3.3V~4.3V, typical value 3.8V
VDD_EXT PO 7 Module digital voltage output, 1.8V, 80mA
GND G
8, 9, 10, 19, 22, 36, 46,
48, 50-54, 56, 72~112
All GND pins must be grounded
In the rest of the document, VBAT includes VBAT_BB and VBAT_RF.
4.2 Power Supply
The MC116-NA series module needs to be powered by the VBAT pin. The recommend power design is
shown in Figure 4-1:
Figure 4-1 Recommend power design
Note: