Preliminary
CBC34813 EnerChip™ RTC
Absolute Maximum Ratings
PARAMETER / PIN
CONDITION
25°C
MIN
GND - 0.3
GND - 0.3
3.0
TYPICAL
MAX
3.6
UNITS
V
DD with respect to GND
-
-
-
-
-
-
V
V
V
V
V
V
ENABLE Input Voltage
25°C
V
DD+0.3
4.15
4.15
2.7
V
V
EC (1)
CHG
25°C
(1)
25°C
3.0
RESET Output Voltage
VCAP
25°C
GND - 0.3
GND - 0.3
25°C
3.6
XI, XO, SDI, SDO, SCL, nCE, AF, FOUT/
nIRQ, nIRQ2
See Ambiq Micro AM0813 Data Sheet
(1)
No external connections to these pins are allowed, except parallel EnerChips.
Integrated EnerChip Thin Film Battery Operating Characteristics
PARAMETER
CONDITION
Non-recoverable
Recoverable
-
MIN
TYPICAL
MAX
UNITS
% per year
% per year
°C
Self-Discharge (5 yr. average)
-
-
2.5
1.5(1)
-
-
Operating Temperature
Storage Temperature
-10
-40
5000
1000
2500
500
-
25
+70
+125 (2)
-
-
°C
10% depth-of-discharge
50% depth-of discharge
10% depth-of-discharge
50% depth-of-discharge
Charge cycle 2
Recharge Cycles
(to 80% of rated
capacity)
25°C
40°C
-
-
cycles
cycles
cycles
cycles
-
-
-
-
-
-
Recharge Time (to 80% of rated
capacity; 4.1V charge; 25°C)
11
45
-
22
70
-
minutes
µAh
Charge cycle 1000
40nA discharge; 25°C
-
Capacity
5
(1)
First month recoverable self-discharge is 5% average.
Storage temperature is for uncharged EnerChip CC device.
(2)
Note:ꢀAllꢀspecificationsꢀcontainedꢀwithinꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
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