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E-peas - Model AEM30940 - Vibration Energy Harvesting IC Solution
E-peas’ low-frequency AC sources energy harvesting IC solution – AEM30940 – is an integrated vibration energy harvesting management subsystem that extracts DC power from a mechanical harvester to simultaneously store energy in a rechargeable element and supply the vibration energy harvester with two independent regulated voltages. This allows product designers and engineers to extend battery lifetime and ultimately get rid of the disposable battery in a large range of wireless applications like industrial monitoring, home automation, wearables
- VIN50 mV to 5 V
- COLD START3 μW @ 380 mV
- PIN3 μW to 550 mW
- POUT20 mA @ 1.2/1.8 V and 80 mA @ 1.8-4.1 V
- SOURCE REGULATIONMPP Tracking
- PACKAGEQFN28 5 x 5 mm
Ultra-low-power start-up:
- Cold start from -19 dBm to 10dBm
Ultra-low-power boost regulator:
- Open-circuit voltage sensing for MPPT every 0.33 s
- Configurable MPPT with 2-pin programming
- Selectable Voc ratios of 50, 65 or 80%
- Input voltage operation range from 50 mV to 5 V
- MPPT voltage operation range from 50 mV to 4.5 V
- Constant impedance Matching (ZMPPT)
Integrated 1.2/1.8 V LDO regulator:
- Up to 20 mA load current
- Power gated dynamically by external control
- Selectable output voltage
Integrated 1.8 V-4.1 V LDO regulator:
- Up to 80 mA load current with 300 mV drop-out
- Power gated dynamically by external control
- Selectable or adjustable output voltage
Flexible energy storage management:
- Selectable overcharge and overdischarge protection
- For any type of rechargeable battery or (super)capacitor
- Fast supercapacitor charging
- Warns the load when the battery is running low
- Warns when output voltage regulators are available
Smallest footprint, smallest BOM:
- Only seven passive external components
Optional primary battery:
- Automatically switches to the primary the battery when the secondary battery is exhausted
Integrated balun for dual-cell supercapacitor