The WPG-1 is a self-contained thin-film thermoelectric power generator that harvests waste heat
and converts it to usable output DC power. Due to its compact size, output power generation and
ability to regulate voltage this device is suitable for use in applications to power wireless sensors
and wireless sensor networks.
One WPG-1 can produce up to 1.5 mW of usable output power and can handle a wide range of
load resistances. An ultra-low voltage step-up converter is incorporated to provide usable output
power at low temperature differentials, < 20°K. The output power can be regulated to accommodate
three voltage set points: 3.3V, 4.1V or 5.0V. Custom design services are available to accommodate
alternate heat absorption and heat dissipation mechanisms or output power requirements,
however MOQ applies.
FEATURES
•
•
•
•
•
Compact form factor
Regulated output voltage
High waste heat conversion ratio
Ultra-low voltage converter
Reliable solid state operation
APPLICATIONS
• Wireless sensors and transmitters
• LED lighting
• Battery charger
Heat is absorbed through a flat heat exchanger plate, energy is harvested by the thin-film
thermoelectric and heat is exhausted into ambient environment by the pin fin heat sink.
Note:
Unit of measure is in mm’s
Americas: +1.888.246.9050
Europe: +49.8031.2460.0
Asia: +86.755.2714.1166
CLV-customerservice@lairdtech.com
www.lairdtech.com/thermal
Wireless Power Generator
Thermobility WPG-1
OUTPUT POWER CURVES
OPERATING RANGE
Max Heat Source Temp
Ambient Temp
Temp Differential
100°C
24°C
15 to 76°C
REGULATOR
SETTINGS
SW-1 - VOLTAGE SELECTOR
Silkscreen
Vout
5.0
5.0 V
4.1
4.1 V
3.3
3.3 V
SW2 - LOAD AND STORAGE SELECTOR
Silkscreen
Load
Storage
C
J2 and J3
Off-board
only
S
J2 and J3
Onboard
1000uF Cap
L
LED
N/A
CAUTION
• Keep areas around the heat sink clear for optimal air flow
• Avoid excessive shock or vibration
• Avoid exposure to water or high moisture environments
THR-DS-WPG-1 0613
Any information furnished by Laird Technologies, Inc. and its agents is believed to be accurate and reliable. All specifications are subject to change without notice. Responsibility for the use and application of Laird
Technologies materials rests with the end user, since Laird Technologies and its agents cannot be aware of all potential uses. Laird Technologies makes no warranties as to the fitness, merchantability or suitability
of any Laird Technologies materials or products for any specific or general uses. Laird Technologies shall not be liable for incidental or consequential damages of any kind. All Laird Technologies products are sold
Laird Technologies, the Laird Technologies Logo, and other marks are trade marks or registered trade marks of Laird Technologies, Inc. or an affiliate company thereof. Other product or service names may be the
property of third parties. Nothing herein provides a license under any Laird Technologies or any third party intellectual property rights.
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