EH301A Datasheet | Advanced Linear Devices

ADVANCED LINEAR DEVICES, INC. e TM EPAD ENA ® B EH300/EH300A/EH301/EH301A EH300/301 EPAD® ENERGY HARVESTINGTM MODULES GENERAL DESCRIPTION EH300/EH301 Series EPAD® Energy Harvesting TM Modules can accept energy from many types of electrical energy sources and store this energy to power conventional 3.3V and 5.0V electrical circuits and systems. EH300/EH301 Series modules are pletely self-powered and always in the active mode. They are intended for low power intermittent duty cycle sampled data or condition-based monitoring/ extreme lifespan applications. These modules can accept instantaneous input voltages ranging from 0.0V to +/-500V AC or DC, and input currents from 200n A to 400m A from energy harvesting sources that produce electrical energy in either a steady or an intermittent and irregular manner with varying source impedances. EH300/EH301 Series modules condition the stored energy to provide power at output voltage and current levels that are within the limits of a particular electronic system power supply specifications. For example, 1.8V and 3.6V is a useful voltage range for many types of IC circuits, such as microprocessors. EH300/EH301 Series modules are designed to continuously and actively operate to capture, accumulate, and conserve energy from an external energy source. Each individual EH300/EH301 Series module is set to operate between two supply voltage thresholds, +V_low DC and +V_high DC, corresponding to the minimum (VL) and maximum (VH) supply voltage values for the intended application. When an energy source starts to inject energy into the inputs of an EH300/EH301 Series module in the form of electrical charge impulses, these charge packets are collected, accumulated and stored onto an internal storage capacitor bank. For most mon energy harvesting applications, the electrical energy charge packets arrives in the form of input voltage spikes that are uncontrolled and unpredictable. Often these cover a wide range of...