Eddy Wireless SD Cards Series Dokumentacja Pobierz pdf (Strona 37)

M12 Hardware Design

M12_HD_V3.3 - 36 -

VRTC

Rechargeable

Backup Battery

Module

RTC Core

1.5K

Figure 15: RTC supply from rechargeable battery

VRTC

Large Capacitance

Capacitor

Module

RTC Core

1.5K

Figure 16: RTC supply from capacitor

Coin-type rechargeable capacitor such as XH414H-IV01E from Seiko can be used.

Quectel

Confidential

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Quectel Cellular Engine 1
Confidential 10

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