LE910C1 Hardware User Guide
1VV0301298 Rev. 1.08 - 2017-11-14
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6. Power Supply
The power supply circuitry and board layout are very important parts of the full product design,
with critical impact on the overall product performance. Read the following requirements and
guidelines carefully to ensure a good and proper design.
6.1. Power Supply Requirements
The LE910C1 power requirements are as follows:
Table 16: Power Supply Requirements
Nominal supply voltage 3.8V
Supply voltage range 3.4V – 4.2V
Max ripple on module input supply 30mV
NOTE:
For PTCRB approval on the final products the power supply is required to be within the range of
“Normal Supply voltage ranger”.
Table 17 provides typical current consumption values of LE910C1 for various operation modes.
Table 17: LE910C1 Current Consumption
Mode Average [Typical] Mode Description
1) Switched Off
Switched off 25µA Module is powered but switched Off (RTC On)
2) IDLE Mode (Standby Mode; No Call in Progress)
AT+CFUN=4
1.0mA
Tx and Rx are disabled ; module is not registered on the
network (Flight mode)
DRX
GSM 2.0mA DRx2
1.4mA DRx5
WCDMA 1.4mA DRx7
1.2mA DRx8
LTE
1.8mA Paging cycle #128 frames (1.28 sec DRx cycle)
1.4mA Paging cycle #256 frames (2.56 sec DRx cycle)
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