User's Guide

ME910C1 HW User Guide
1VV0301351 Rev. 2 Page 21 of 81 2017-07-19
4. POWER SUPPLY
The power supply circuitry and board layout are a very important part in the full product
design and they strongly reflect on the product overall performances, hence read carefully
the requirements and the guidelines that will follow for a proper design.
Power Supply Requirements
The external power supply must be connected to VBATT & VBATT_PA signals and must
fulfil the following requirements:
Power Supply
Value
Nominal Supply Voltage 3.8V
Normal Operating Voltage
Range
3.40 V÷ 4.20 V
Extended Operating
Voltage Range
3.10 V÷ 4.50 V