Specifications

WM_PRJ_Q2400_PTS_002 - 002
24th January 2003
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2.19.2.3 Battery cell with regulator
Regulator
2.5 V
±
10%
(With very Low Iq)
+VBATT
2 K
1K
En
Vou
t
Gnd
Vin
Shottky
Diode
VCC_RTC
Estimated range with 2 mAh battery rechargeable battery : ~3 days.
Warning :
Before battery cell assembly insure that cell voltage is lower than 2,75V to
avoid any damage to the WISMO module.
2.19.2.4 Non Rechargeable battery
This is the less recommended solution.
VCC-RTC
(2.75 V max)
Diode (Ex : BAS16)
10
Ex : CR2016
(VARTA)
Estimated range with 85 mAh battery : 4000 h minimum
Note : The “non rechargeable battery” is always active, except when the
module is ON.