LTC3588-1 and LTC3588-2 Piezoelectric Energy Harvesting Power Supplies

Linear Technology's complete energy harvesting solution optimized for high output impedance energy sources

Image of Linear Technology's LTC3588-1 and LTC3588-2 Piezoelectric Energy Harvesting Power SuppliesLinear Technology's LTC3588-1 and LTC3588-2 integrate a low-loss full-wave bridge rectifier with a high efficiency buck converter to form a complete energy harvesting solution optimized for high output impedance energy sources such as piezoelectric transducers. With the LTC3588-1, an ultralow quiescent current undervoltage lockout (UVLO) mode with a wide hysteresis window allows charge to accumulate on an input capacitor until the buck converter can efficiently transfer a portion of the stored charge to the output. In regulation, the LTC3588-1 enters a sleep state in which both input and output quiescent currents are minimal. The buck converter turns on and off as needed to maintain regulation. With the LTC3588-2, an ultralow quiescent current undervoltage lockout (UVLO) mode with a 16 V rising threshold enables efficient energy extraction from piezoelectric transducers with high open circuit voltages. This energy is transferred from the input capacitor to the output via a high efficiency synchronous buck regulator. The 16 V UVLO threshold also allows for input to output current multiplication through the buck regulator. The buck features a sleep state that minimizes both input and output quiescent currents while in regulation.

Features - LTC3588-1 Applications - LTC3588-1
  • 950 nA input quiescent current (output in regulation – no load)
  • 450 nA input quiescent current in UVLO
  • 2.7 V to 20 V input operating range
  • Integrated low-loss full-wave bridge rectifier
  • Up to 100 mA of output current
  • Selectable output voltages of: 1.8 V, 2.5 V, 3.3 V, 3.6 V
  • Piezoelectric energy harvesting
  • Electro-mechanical energy harvesting
  • Wireless HVAC sensors
  • Mobile asset tracking
  • Tire pressure sensors
  • Battery replacement for industrial sensors
  • Remote light switches
  • Standalone nanopower buck regulator
Features - LTC3588-2 Applications - LTC3588-2
  • 1500 nA input quiescent current (output in regulation – no load, VIN = 18 V)
  • 830 nA input quiescent current in UVLO, VIN = 12 V
  • 14 V to 20 V input operating range
  • Integrated low-loss full-wave bridge rectifier
  • 16 V UVLO improves power utilization from high voltage current limited inputs
  • Up to 100 mA of output current
  • Piezoelectric energy harvesting
  • Electro-mechanical energy harvesting
  • Low power battery charging
  • Wireless HVAC sensors
  • Mobile asset tracking
  • Tire pressure sensors
  • Battery replacement for industrial sensors

LTC3588-1 Piezoelectric Energy Harvesting Power Supplies

ImageManufacturer Part NumberDescriptionAvailable Quantity
LTC3588EMSE-1#PBF datasheet linkIC ENERGY HARVESTING PSU 10MSOPLTC3588EMSE-1#PBFIC ENERGY HARVESTING PSU 10MSOP2305 - Immediate
LTC3588EMSE-1#PBF product page link
LTC3588EDD-1#PBF datasheet linkIC ENERGY HARVESTING PSU 10DFNLTC3588EDD-1#PBFIC ENERGY HARVESTING PSU 10DFN116 - Immediate
LTC3588EDD-1#PBF product page link
LTC3588IMSE-1#PBF datasheet linkIC ENERGY HARVESTING PSU 10MSOPLTC3588IMSE-1#PBFIC ENERGY HARVESTING PSU 10MSOP395 - Immediate
LTC3588IMSE-1#PBF product page link

LTC3588-2 Piezoelectric Energy Harvesting Power Supplies

ImageManufacturer Part NumberDescriptionAvailable Quantity
LTC3588EDD-2#PBF datasheet linkIC ENERGY HARVESTING PSU 10DFNLTC3588EDD-2#PBFIC ENERGY HARVESTING PSU 10DFN215 - Immediate
LTC3588EDD-2#PBF product page link
LTC3588EMSE-2#PBF datasheet linkIC ENERGY HARVESTING PSU 10MSOPLTC3588EMSE-2#PBFIC ENERGY HARVESTING PSU 10MSOP65 - Immediate
LTC3588EMSE-2#PBF product page link
Published: 2012-06-29