CYALKIT-E02 Solar-Powered BLE Sensor Beacon Reference Design Kit Guide, Doc. No. 002-11317 Rev. *C
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5.1.1 Power Input Block
This section describes the S6AE103A power input block as shown in the following schematic. There are two power inputs for
solar energy (VDD) and primary battery input (VDD) and some control pins for internal LDO, comparator, and interrupt input.
Table 5-1. Pin Description of Power Input Block
Pin Name:
Description:
VBAT
Connect TP1
Primary battery input pin
Extra battery input
VDD
Connect the solar cell (AM-1606C)
Solar cell input pin
Diode (D1) for reverse current protection
Capacitor (C1) for charging input energy
ENA_COMP
Connect GND (H: Enable, L: Disable)
Comparator control pin
It is set to disable.
STBY_LDO
Connect GND (H: Normal, L: Standby)
LDO operation mode setting pin
The LDO is not used when ENA_LDO is low.
1
2
3
4
