EnerChip Solar Energy Harvesting Demo Kit

©2009 Cymbet Corporation • Tel: +1-763-633-1780 • www.cymbet.com

DS-72-08 Rev18

Page 4 of 11

Operating Characteristics

Parameter

Condition

Min

Typical

Max

Units

Input Luminous Intensity

Minimum operating Lux

-

-

Lux

Full charge rate

-

-

Lux

Parasitic Load Current

Boost converter off

-

800

-

nA

Boost converter on

-

20

-

µA

Average Output Power

(measured at

V

1000 Lux (FL), EnerChips

not charging

-

350

-

µW

200 Lux (FL), EnerChips

not charging

-

80

-

µW

V

EnerChips charged

3.5

3.55

3.6

V

V

25°C

-

4.06

-

V

EnerChip Cutoff Voltage

4.7kΩ load

3.0

3.3

3.6

V

Pulse Discharge Current

20 msec

-

30

-

mA

Self-Discharge (non-recoverable average)

25°C

-

2.5

-

% per year

Recharge Cycles

(to 80% of rated

capacity; 4.1 V charge

voltage)

25°C

10% depth-of-discharge

5000

-

-

-

50% depth-of discharge

1000

-

-

-

40°C

10% depth-of-discharge

2500

-

-

-

50% depth-of-discharge

500

-

-

-

Recharge Time (to 80% of rated capacity) From 50% state-of-charge

-

10

-

minutes

From deep discharge

-

50

-

minutes

Capacity

16 µA discharge; 25°C

-

100

-

µAh

Specifications subject to change without notice

(1) Fluorescent (FL) Light Conditions

EVAL-08 Circuit Schematic

Figure 4: EnerChip EVAL-08 Circuit Schematics