Texas Instruments Serial Programming Adapter MSP430, User Manual

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Solar Energy Harvester Module (SEH-01) Operating Characteristics
3.3 Solar Energy Harvester Module (SEH-01) Operating Characteristics
Table 3-1 shows the operating characteristics of the Solar Energy Harvester Module.
Table 3-1. SEH-01 Operating Characteristics
PARAMETER CONDITION MIN TYP MAX UNIT
Minimum operating lux 200 lux
Input luminous intensity
(1)
Full charge rate 700 lux
Boost converter off 800 nA
Parasitic load current
Boost converter on 20
m
A
1000 lux (FL), battery not charging 350 m W
Average output power
(measured at V
OUT2
pin)
200 lux (FL), Battery not charging 80 m W
Output voltage, V
OUT2
2- m A load, Battery charged 3.5 3.55 3.6 V
V
BAT
charging voltage 4.06 V
Battery cutoff voltage 3 3.3 3.6 V
Pulse discharge current 20 ms 30 mA
Self discharge rate (non-recoverable average) 25°C, Per year 2.5 %
Operating temperature 0 25 70 °C
10% depth-of-discharge 5000
25°C
Recharge cycles
50% depth-of-discharge 1000
(to 80% of rated capacity,
10% depth-of-discharge 2500
4.1-V charge voltage)
40°C
50% depth-of-discharge 500
Recharge time (to 80% of rated capacity) 4.1-V constant voltage 500 min
Capacity 8- m A discharge; 25°C 100 m Ah
(1)
Fluorescent (FL) light conditions specifications subject to change without notice.
3.4 Solar Energy Harvester Module (SEH-01) Circuit Schematic
Figure 3-3 shows a schematic of the Solar Energy Harvester module.
Figure 3-3. Solar Energy Harvester Module Schematic
15 SLAU273C – January 2009 – Revised May 2010 Solar Energy Harvester Module (SEH-01)
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