Quectel M35 - Figure 14: Vrtc Is Supplied by a Non-Chargeable Battery

GSM/GPRS Module Series
M35 User Manual
M35_User_Manual Confidential / Released 36 / 85
Non-chargeable
Backup Battery
Module
RTC
Core
VBAT
Power Supply
LDO/DCDC
LDO
VRTC
1.5K
Figure 14: VRTC Is Supplied by a Non-chargeable Battery
Rechargeable
Backup Battery
Module
RTC
Core
VBAT
Power Supply
LDO/DCDC
LDO
VRTC
1.5K
Figure 15: VRTC Is Supplied by a Rechargeable Battery
Module
RTC
Core
VBAT
Power Supply
LDO/DCDC
LDO
VRTC
1.5K
Large Capacitance
Capacitor
Figure 16: VRTC Is Supplied by a Capacitor