Table 2.

Typical off-the-shelf integrated circuits applicable to manage the power for medical wearable devices based on energy harvesting.

Device Type	Input Voltage	Output Voltage(s)	Inputs	Ref.
Solar/piezoelectric kinetic/electro-magnetic energy harvesting devices
MB39C811	2.6–23 V DC/AC	1.5, 1.8, 2.5, 3.3, 3.6, 4.1, 4.5 and 5.0 V DC	2 AC, 1 DC	[11]
Solar/piezoelectric kinetic/electro-magnetic energy harvesting devices
LTC3588-1	2.7–20 V DC/AC	1.8, 2.5, 3.3 and 3.6 V DC	2 AC, 1 DC	[10]
LTC3588-2	14–20 V DC/AC	3.45, 4.1, 4.5 and 5.0 V DC	2 AC, 1 DC	[51]
Solar/thermo-electric/radio-frequency/piezoelectric kinetic energy harvesting devices
MAX17710	0.75–5.3 V DC	1.8, 2.3 and 3.3 V DC	2 DC	[18]