EnerChip Solar Energy Harvesting Demo Kit
Operating Characteristics
Parameter
Condition
Minimum operating Lux
Full charge rate
Min
200 (1)
700 (1)
Typical
Max
Units
Lux
Lux
nA
Input Luminous Intensity
-
-
-
-
-
-
-
Parasitic Load Current
Boost converter off
Boost converter on
-
-
-
800
20
350
µA
Average Output Power
(measured at VOUT2 pin)
1000 Lux (FL), EnerChips
not charging
µW
200 Lux (FL), EnerChips
not charging
-
80
-
µW
EnerChips charged
25°C
3.5
3.55
4.06
3.3
30
2.5
-
3.6
V
V
OUT2 , 2 µA Load
-
-
V
VBAT Charging Voltage
EnerChip Cutoff Voltage
4.7kΩ load
3.0
3.6
V
Pulse Discharge Current
20 msec
-
-
-
-
-
-
-
-
-
-
mA
Self-Discharge (non-recoverable average)
25°C
-
% per year
Recharge Cycles
(to 80% of rated
capacity; 4.1 V charge
voltage)
25°C
10% depth-of-discharge
50% depth-of discharge
10% depth-of-discharge
50% depth-of-discharge
5000
-
1000
-
-
40°C
2500
-
-
500
-
-
Recharge Time (to 80% of rated capacity) From 50% state-of-charge
From deep discharge
-
-
-
10
50
100
minutes
minutes
µAh
Capacity
16 µA discharge; 25°C
(1) Fluorescent (FL) Light Conditions
Specifications subject to change without notice
EVAL-08 Circuit Schematic
Figure 4: EnerChip EVAL-08 Circuit Schematics
©2009 Cymbet Corporation • Tel: +1-763-633-1780 • www.cymbet.com
DS-72-08 Rev18
Page 4 of 11
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