LTE Standard Module Series
QuecPython_EC200U&A-XX_C4-P01_EVB_Specification_and_User_Guide 12 / 32
2.3. Major Components
Table 1: Major Components
2.4. Electrical Characteristics
⚫ Normal operating voltage range of USB power supply: 5 V/ 2 A–5.1 V/ 3 A.
⚫ External power supply voltage range: 5–6 V.
1. When USB and the external power supply simultaneously, the voltage of the two must be the same. If
the difference is large, the related circuits may be burned out.
2. When the external power supply voltage is 5 V, the current should be 2 A at least.
U2, U7, U8, U9, U10, U13,
U14, U15
USB power consumption
detection switch
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