Energy Harvesting
Analog Devices offers a wide range of ultra low power ICs for energy harvesting applications. Power management products that convert energy from vibration (piezoelectric), photovoltaic (solar), and thermal (TEC, TEG, thermopiles, thermocouples) sources provide high efficiency conversion to regulated voltages or to charge batteries and super capacitor storage elements. Boost converters that operate from as little as 20 mV or battery chargers with maximum power point capability expand the possibilities for industrial automation and control, wireless sensor, transportation, automotive, and building management applications. Ultra low quiescent current linear regulators, op amps, comparators, voltage supervisors, ADCs, DACs, and micropower voltage references provide additional building blocks for autonomous systems.
Product Selection Table
Latest Resources
Product Information
Product Selector Card
- DC/DC Controller Selection Guide PDF
- Practical Ambient Energy Harvesting for WSNs PDF
- High Voltage Battery Charging and Management Solutions PDF
- Practical Ambient Energy Harvesting for WSNs PDF
- μModule Power Products PDF
- 20V Battery Gas Gauge PDF
- LTC4071 - Li-Ion/Polymer Shunt Battery Charger System with Low Battery Disconnect PDF
LT Journal
- Extend Remote Sensor Battery Life with Thermal Energy Harvesting PDF
- 15V Buck-Boost Converters with Ultralow 1.3µA Quiescent Current are Tailored to Micropower Applications and the Internet of Things PDF
- Easy, ±5V Split-Voltage Power Supply for Analog Circuits Draws Only 720nA at No Load PDF
- Battery Charger’s Unique Input Regulation Loop Simplifies Solar Panel Maximum Power Point Tracking PDF
- Ultralow Voltage Energy Harvester Uses Thermoelectric Generator for Battery-Free Wireless Sensors PDF
- Powering a Dust Mote from a Piezoelectric Transducer
- True Grid Independence: Robust Energy Harvesting System for Wireless Sensors Uses Piezoelectric Energy Harvesting Power Supply and Li-Poly Batteries with Shunt Charger
- 80V Buck-Boost Lead-Acid and Lithium Battery Charging Controller Actively Finds True Maximum Power Point in Solar Power Applications
- Multi-Chemistry Battery Charger Supports Maximum Power Point Tracking for Solar Panels
- Complete Single IC Power Management Battery Maintenance/Backup System for 48V Supplies
- Designing a Solar Cell Battery Charger
Technical Articles
- Techniques to Maximize Solar Panel Power Output
- Energy Harvesting with Low Power Solar Panels
- MicroGen’s Piezo-MEMS Vibration Energy Harvesters Enable Linear Technology SmartMesh IP Wireless Sensor Network
- Low Noise Power Supplies Come in Many Flavors: Part 3 - Buck Converters
- Frequently Asked Questions: Thermoelectric Energy Harvesting With the LTC3108 & LTC3109
- Product How-to: Precise Wireless Temperature Sensor Powers Itself
- Energy Harvesting Powers Industrial Wireless Sensor Networks PDF
- Power-Tracking Battery-Charger IC Supports Solar-Power Systems - P.E.T. Sep 2009 PDF
- Ultra-Low-Voltage Input Power Converters Support Energy Harvesting PDF
Solutions Bulletins & Brochures
Videos
Design Notes
- DN531 - 55V High Efficiency Buck-Boost Power Manager and 55V High Efficiency Buck-Boost Power Manager and PDF
- DN428 - Tiny Synchronous Step-Up Converter Starts Up at 700mV PDF
- DN491 - Tiny 2-Cell Solar Panel Charges Batteries in Compact, Off-Grid Devices PDF
- DN483 - Energy Harvester Produces Power from Local Environment, Eliminating Batteries in Wireless Sensors PDF
Energy Harvesting
| SortOrder | Part# | Number of Outputs | Energy Source | Topology | Vin (min) (V) | Vin (max) (V) | Comments | Features | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | LT8491 | 1 | Solar | Buck-Boost | 6 | 80 | High Voltage Buck-Boost Battery Charge Controller with Maximum Power Point Tracking (MPPT) and I2C | EEPROM, I2C Interface, Maximum Power Point Tracking (Full) | $10.35 (LT8491EUKJ#PBF) |
| 2 | LTC4162-S | 1 | - | Buck | 4.5 | 35 | 35V/3.2A Lead-Acid Step-Down Battery Charger with PowerPath and I2C Telemetry | Battery Charger, I2C Interface, Maximum Power Point Tracking (Full), PowerPath | $2.95 (LTC4162EUFD-SAD#PBF) |
| 3 | LTC4162-L | 1 | - | Buck | 4.5 | 35 | 35V/3.2A Multi-Cell Lithium-Ion Step-Down Battery Charger with PowerPath and I2C Telemetry | Battery Charger, I2C Interface, Maximum Power Point Tracking (Full), PowerPath | $2.95 (LTC4162EUFD-L40#PBF) |
| 4 | LTC4162-F | 1 | - | Buck | 4.5 | 35 | 35V/3.2A Multi-Cell LiFePO4 Step-Down Battery Charger with PowerPath and I2C Telemetry | Battery Charger, I2C Interface, Maximum Power Point Tracking (Full), PowerPath | $2.95 (LTC4162EUFD-FAD#PBF) |
| 5 | LTC4013 | 1 | Solar | Buck | 4.5 | 60 | 60V Synchronous Buck Multi-Chemistry Battery Charger | Maximum Power Point Tracking (Sampled Voc), NTC Input, Resistor Set Frequency | $3.95 (LTC4013EUFD#PBF) |
| 6 | LTC3130 | 1 | Solar | Buck-Boost | 2.4 | 25 | 25V, 600mA Buck-Boost, /-1 Fixed Vout | Burst Mode, Maximum Power Point Control, Power Good | $3.35 (LTC3130EMSE#PBF) |
| 7 | ADP5092 | 1 | Piezoelectric, Solar, Thermoelectric | - | 80m | 3.3 | Ultralow Power Energy Harvester PMU with MPPT and Charge Management | Maximum Power Point Tracking (Sampled Voc) | $2.49 (ADP5092ACPZ-1-R7) |
| 8 | ADP5091 | 1 | Piezoelectric, Solar, Thermoelectric | - | 80m | 3.3 | Ultralow Power Energy Harvester PMU with MPPT and Charge Management | Maximum Power Point Tracking (Sampled Voc) | $2.49 (ADP5091ACPZ-1-R7) |
| 9 | LTC3119 | 1 | Solar | Buck-Boost | 250m | 18 | 18V, 5A Synchronous Buck-Boost DC/DC Converter | Burst Mode, External Synchronization, Maximum Power Point Control, Power Good, Resistor Set Frequency | $7.15 (LTC3119EUFD#PBF) |
| 10 | LTC3106 | 1 | Solar, Thermoelectric | Buck-Boost | 850m | 5.1 | 300mA Low Voltage Buck-Boost Converter with PowerPath and 1.6µA Quiescent Current | Battery Charger, Burst Mode, Maximum Power Point Control, Power Good, PowerPath | $2.94 (LTC3106EUDC#PBF) |
| 11 | LTC4015 | 1 | Solar | Buck | 4.5 | 35 | Multichemistry Buck Battery Charger Controller with Digital Telemetry System | Coulomb Counter, Digital Telemetry, I2C Interface, Maximum Power Point Tracking (Full), Temperature Monitor | $5.95 (LTC4015EUHF#PBF) |
| 12 | LTC4121-4.2 | 1 | Solar | Buck Battery Charger | 4.4 | 40 | 40V 400mA Synchronous Step-Down Battery Charger, Fixed 4.2V | Maximum Power Point Tracking (Sampled Voc) | $2.60 (LTC4121EUD-4.2#PBF) |
| 13 | LTC4121 | 1 | Solar | Buck Battery Charger | 4.4 | 40 | 40V 400mA Synchronous Step-Down Battery Charger, Adj Float Voltage | Maximum Power Point Tracking (Sampled Voc) | $2.60 (LTC4121EUD#PBF) |
| 14 | ADP5090 | 1 | - | - | 80m | 3.3 | Ultralow Power Boost Regulator with MPPT and Charge Management | Maximum Power Point Tracking (Sampled Voc) | $1.99 (ADP5090ACPZ-1-R7) |
| 15 | LTC3331 | 1 | Magnetic, Piezoelectric, Solar | Buck-Boost | 3 | 19 | Nanopower Buck-Boost DC/DC with Energy Harvesting Battery Charger | Battery Charger, PowerPath | $3.55 (LTC3331EUH#PBF) |
| 16 | LT8490 | 1 | Solar | Buck-Boost | 6 | 80 | High Voltage, High Current Buck-Boost Battery Charge Controller with Maximum Power Point Tracking (M | Maximum Power Point Tracking (Full) | $10.35 (LT8490EUKJ#PBF) |
| 17 | LTC3107 | 3 | Thermoelectric | Boost, LDO | 20m | 500m | Ultra-Low Voltage Energy Harvester and Primary Battery Life Extender | LDO, Power Good, PowerPath, Primary Battery Backup | $2.95 (LTC3107EDD#PBF) |
| 18 | LTC3330 | 2 | Magnetic, Piezoelectric, Solar | Buck-Boost | 3 | 18 | Energy Harvesting DC/DC with Battery Backup | Full Wave Bridge Rectifier | $3.55 (LTC3330EUH#PBF) |
| 19 | LTC3129-1 | 1 | - | Buck-Boost | 1.92 | 15 | LTC3129 Offers Eight Fixed Output Voltages From 2.5V to 15V | Burst Mode, Fixed Output, Maximum Power Point Control, Power Good | $2.95 (LTC3129EMSE-1#PBF) |
| 20 | LTC3129 | 1 | - | Buck-Boost | 1.92 | 15 | 15V, 200mA Synchronous Buck-Boost with 1.3uA Quiescent Current | Burst Mode, Maximum Power Point Control, Power Good | $2.95 (LTC3129EMSE#PBF) |
| 21 | LTC4020 | 1 | Solar | - | 4.5 | 55 | 55V Buck-Boost Multi-Chemistry Battery Charger | Maximum Power Point Control, NTC Input, PowerPath | $4.95 (LTC4020EUHF#PBF) |
| 22 | LTC4000-1 | 1 | Solar | Buck | 3 | 60 | High Voltage High Current Battery Charger with Maximum Power Point Control (MPPC) | Maximum Power Point Control | $3.95 (LTC4000EUFD-1#PBF) |
| 23 | LTC3104 | 2 | - | Buck, LDO | 2.5 | 15 | 2.6uA Quiescent Current, 300mA Buck & 10mA LDO | Burst Mode, LDO, Power Good | $2.70 (LTC3104EDE#PBF) |
| 24 | LTC3103 | 1 | - | Buck | 2.5 | 15 | 1.8µA Quiescent Current, 15V, 300mA Synchronous Step-Down | Burst Mode, Power Good | $2.45 (LTC3103EDD#PBF) |
| 25 | LTC4071 | 1 | - | Shunt Battery Charger | 2.65 | - | Li-Ion/Polymer Shunt Battery Charger System with Low Battery Disconnect | NTC Input | $2.20 (LTC4071EDDB#TRPBF) |
| 26 | LTM8062A | 1 | Solar | Buck | 4.95 | 32 | 32VIN, 2A µModule Battery Charger, Float Voltage Up to 18.8V | Maximum Power Point Control, Output Current Regulation, Reverse Input Protection | $10.20 (LTM8062AEV#PBF) |
| 27 | LTM8062 | 1 | Solar | Buck | 4.95 | 32 | 32VIN, 2A µModule Battery Charger, Float Voltage Up to 14.4V | Maximum Power Point Control, Output Current Regulation, Reverse Input Protection | $9.85 (LTM8062EV#PBF) |
| 28 | LTC3588-2 | 1 | Piezoelectric | Buck | 14 | 20 | Piezoelectric Energy Harvesting Power Supply with 14V Minimum Vin | Full Wave Bridge Rectifier | $2.95 (LTC3588EDD-2#PBF) |
| 29 | LTC3388 | 1 | - | Buck | 2.7 | 20 | 20V High Efficiency Nanopower Step-Down Regulator | Pin Selectable Output Voltage | $2.95 (LTC3388EDD-1#PBF) |
| 30 | LTC3109 | 3 | Thermoelectric | Boost | 20m | 500m | Auto-Polarity, Ultralow Voltage Step-Up Converter and Power Manager | Auto-Polarity Detect, LDO, Power Good, PowerPath | $3.95 (LTC3109EGN#PBF) |
| 31 | LTC3108-1 | 3 | Thermoelectric | Boost, LDO | 20m | 500m | Ultralow Voltage Step-Up and Power Manager, Fixed Vout of 2.5V, 3V, 3.7V or 4.5V | Fixed Output, LDO, Power Good, PowerPath | $2.95 (LTC3108EDE-1#PBF) |
| 32 | LT3652HV | 1 | Solar | Buck | 4.95 | 34 | Power Tracking 2A Battery Charger for Solar, Vin Max 34V, Vfloat Max 18V | Maximum Power Point Control | $3.40 (LT3652HVEDD#PBF) |
| 33 | LTC3105 | 1 | Solar | Boost | 200m | 5 | 400mA Step-Up DC/DC Converter with Maximum Power Point Control and 250mV Start-Up | Burst Mode, Maximum Power Point Control, Output Disconnect, Power Good, Soft Start | $2.70 (LTC3105EDD#PBF) |
| 34 | LT3652 | 1 | Solar | Battery Charger | 4.95 | 32 | Power Tracking 2A Battery Charger for Solar, Vin Max 32V, Vfloat Max 14.4V | Maximum Power Point Control | $3.05 (LT3652EDD#PBF) |
| 35 | LTC4070 | 1 | - | Shunt Battery Charger | 3.1 | - | Li-Ion/Polymer Shunt Battery Charger System | NTC Input | $2.06 (LTC4070EDDB#TRPBF) |
| 36 | LTC3588 | 1 | Piezoelectric | Buck | 2.7 | 20 | Piezoelectric Energy Harvesting Power Supply | Full Wave Bridge Rectifier | $2.95 (LTC3588EDD-1#PBF) |
| 37 | LTC3535 | 2 | - | Boost | 500m | 5 | Dual Channel 550mA 1MHz Synchronous Step-Up DC/DC Converter | Burst Mode, Output Disconnect | $2.95 (LTC3535EDD#PBF) |
| 38 | LTC3108 | 3 | Thermoelectric | Boost, LDO | 20m | 500m | Ultralow Voltage Step-Up and Power Manager | LDO, Power Good, PowerPath | $2.95 (LTC3108EDE#PBF) |
| 39 | LTC3534 | 1 | - | Buck-Boost | 2.4 | 7 | 7V, 500mA Synchronous Buck-Boost DC/DC Converter | Burst Mode, Output Disconnect | $3.15 (LTC3534EDHC#PBF) |
| 40 | LTC3526L | 1 | - | Boost | 500m | 5 | 550mA Synch Boost, 0.68V Typ Startup Voltage, 1MHz Switching, /B Disable Burst Mode | Burst Mode, Output Disconnect | $1.85 (LTC3526LBEDC#TRPBF) |
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