SLPN005H10L Datasheet SLPN005H10L | P4-P6

IXYS KOREA LTD.

4 IXYS Corporation

906-5 Iui-dong, Yeongtong-Gu, Suwon, Gyeonggi-Do (Korea) 1590 Buckeye Drive, Milpitas, CA 95035-7418

Phone +82-70-7113-0300, Fax +82-70-7113-0301 Rev . Jan. 2014 Phone (408) 457-9000, Fax 408-496-0670

Background

Some basic information needs to be covered to better understand what to expect in terms of

the

SolarPN’s performance with regards to solar cell type, lighting conditions in terms of

power density, and general industry standards as they relate to battery charging.

Solar Cell Types

Keep in mind these cost and performance tradeoffs when comparing various solar cell

materials:

Polycrystalline cells are commonly found in outdoor applications and have a spectral

sensitivity range of 500nm to 1100nm. They’re in the medium price range and typically offer

a 13% power conversion efficiency.

Monocrystalline cells, such as the IXYS SolarPN, have a spectral sensitivity range from 300 nm

(near-ultraviolet) to 1100 nm (near-infrared), which includes visible light (400 to 700 nm).

Due to this wide spectral range, they can be used in both indoor and outdoor applications.

Monocrystalline or single-crystalline material is the most expensive but it does not contain

impurities, and as such the power conversion efficiency does not degrade over operating time.

The power conversion efficiency of commercially available monocrystalline cells ranges from

15 to 22%. The surface of these cells is a homogenous dark blue or dark grey.

Finally, amorphous cells, which work in the spectral range of 300nm to 600nm, are used

predominantly indoors in products such as solar powered calculators since they are not

sensitive to the upper light spectrum and cannot take advantage of natural sunlight. They

offer about 5% power conversion efficiency and are mostly used with ultra low power devices

like clocks and electronic calculators. Amorphous cells, like polycrystalline cells, suffer from

efficiency degradation.

IXYS KOREA LTD.

5 IXYS Corporation

906-5 Iui-dong, Yeongtong-Gu, Suwon, Gyeonggi-Do (Korea) 1590 Buckeye Drive, Milpitas, CA 95035-7418

Phone +82-70-7113-0300, Fax +82-70-7113-0301 Rev . Jan. 2014 Phone (408) 457-9000, Fax 408-496-0670

SolarPN Description

SolarPN is made of monocrystalline, high-efficiency solar cells on a thick and flexible PC substrate.

They’re reliably sealed with film lamination on the front and can be used in harsh environments.

Solar cells used in SolarPN have a very high (22%) power conversion efficiency, which means

that 22% of the light energy is converted into electrical energy. They’re extremely useful in

applications requiring solar power generation in a limited foot print.

Monocrystalline cells can be used in indoor and outdoor applications because they have a wide

spectral sensitivity, 300 to 1100 nm. However, the output power of a solar cell is proportional

(over a wide range) to the incoming light energy, and irradiance is generally much higher

outdoors. The values in the data sheet are measured at “standard condition” of 1 sun, which is

equal to 1000W per square meter sunlight irradiance at a defined light spectrum (air mass of 1.5)

and 25°C cell temperature.

IXYS KOREA LTD.

6 IXYS Corporation

906-5 Iui-dong, Yeongtong-Gu, Suwon, Gyeonggi-Do (Korea) 1590 Buckeye Drive, Milpitas, CA 95035-7418

Phone +82-70-7113-0300, Fax +82-70-7113-0301 Rev . Jan. 2014 Phone (408) 457-9000, Fax 408-496-0670

Relative Lighting Power Density

The figure above compares relative power density for various lighting conditions in units of Watts

per square meter (W/m

). The reference standard condition is 1 Sun and is equal to 1000 Watts

per square meter of sunlight irradiance at a constant 25°C cell temperature and at 1.5 Air Mass

(Air Mass stands for a well defined light spectrum which appears if the sunlight goes through the

earth’s athmosphere at a defined angle). As the chart clearly shows, the power density of typical

indoor lighting is dramatically lower than that of sunlight. Not only is irradiance from indirect and

artificial light lower; the spectrum is also narrower. In typical Office Space lighting with a

spectrum produced from incandescent or halogen light bulbs, the power output may be roughly

100 times less than bright sunlight. It may be 200 to 500 times less with fluorescent lighting due

to the further limited spectrum.

IXYS makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication and reserves the

right to make changes to specifications and product descriptions at any time without notice. Neither circuit patent licenses or indemnity are

expressed or implied. Except as set forth in IXYS’ Standard Terms and Conditions of Sale, IXYS assumes no liability whatsoever, and disclaims

any express or implied warranty relating to its products, including, but not limited to, the implied warranty of merchantability, fitness for a particular

purpose, or infringement of any intellectual property right.

The products described in this document are not designed, intended, authorized, or warranted for use as components in systems intended for

surgical implant into the body, or in other applications intended to support or sustain life, or where malfunction of IXYS’ product may result in direct

physical harm, injury, or death to a person or severe property or environmental damage. IXYS reserves the right to discontinue or make changes to

its products at any time without notice.

P1-P3 P4-P6

SLPN005H10L

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SOLARPN HI-EFF 223X143X2MM

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