Panasonic Solar Cells Handbook, Page 23 August 1998
MICRO-POWER SIGN UNIT - CONTINUED
7.4
BP-6B172UA (Lithium rechargeable battery type)
•
Circuit structure
•
Main Specifications
Unit model
number
Rechargeable
batte ry mode l
number
Rechargeable
batte ry
nominal
voltage
Rechargeable
batte ry
capacity
Solar cell
mode l
number
* Solar cell
output
Lighting
mode
Duty ratio Pe ak curre nt
BP-6B172UA MT-1620/H9A 1.5V 11mAh BP-242221L 2.1V, 6.6mA Fashing
2.5%
(approx.)
20mA
(approx.)
* Solar light = AM 1.5, 100mW/cm
2
•
Specifications
Charging time
approx. 1.5 hours (clear outdoor;70mW / cm
2
or more)
approx. 10 hours (cloudy outdoor; 10mW / cm
2
or more)
Illuminance to trigger lighting
30 to 300
"
x, outdoor light (standard design)
Lighting duration
approx. 14 hours (standard design)
Flashing cycle
approx. 1.0 second (standard design: battery voltage 1 .3V)
LED
High-luminance 5
φ
, red (standard design)
Service temperature range
-10
°
C to 50
°
C
Weight
approx.5g (circuit board)
•
Dimensions (unit : mm)
(Note) For detailed dimensions of the solar cell, refer to the Sunceram II Cell for Outdoor Use section.
Reverse-current preventing diode
Solar cell
Charging
control
circuit
Lithium
rechargeable
battery
Daylight
discriminating
circuit
Boosting
circuit
Output
circuit
High-luminance
LED
Micro power supply Load
BP-6B172UA
Lithium rechargeable
battery
(MT1620/H9A)
LED
10
37
23
MAX
Circuit board
(2.5)
7
MAX
(0.3 1)
Lead wire
(50)
22
24
Solar cell (BP-24222IL)
Solar cell
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