LTC3588-1 Piezoelectric Energy Harvesting Power Supply Circuit

Here’s a design circuit of The LTC3588-1 is a piezoelectric energy harvesting power supply IC that integrates 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. This is the figure of the circuit;

LTC3588-1 can be configured to deliver four output voltages: 1.8V, 2.5V, 3.3V and 3.6V. In this table you can see how you need to configure the pins of the LTC3588-1 to obtain the specified voltage.  To select Low for D0, D1 the pin must be connected to GND and if you need to select high for D0, D2 the pin must be connected to VIN2. The maximum output current can be set up to 100mA. As you can see in this power schematic circuit the design of power supply is very easy and require few external components. A power supply circuit based on the LTC3588-1 IC offers many features like: 950nA Input Quiescent Current (Output in Regulation – No Load) , 450nA Input Quiescent Current in UVLO, 2.7V to 20V Input Operating Range, Integrated Low-Loss Full-Wave Bridge Rectifier, Up to 100mA of Output Current, Selectable Output Voltages, High Efficiency Integrated Hysteretic Buck DC/DC.

The LTC3588-1 IC can be used in many applications circuits like: Piezoelectric Energy Harvesting, Electro-Mechanical Energy Harvesting, Wireless HVAC Sensors, Mobile Asset Tracking, Tire Pressure Sensors, Battery Replacement for Industrial Sensors, Remote Light Switches.