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Table 4 Power consumption of published SoC devices

From: RF power harvesting: a review on designing methodologies and applications

Ref.

Sensors

Operation voltage (V)

Chip power (µW)

Size (mm)

[21]

Intraocular pressure (IOP)

–

0.0053

0.5 × 1.5 × 2.5

[65]

ECG, Bio-impedance

1.2

345–374

7 × 7

[66]

ECG

1.2

32

5 × 4.7

[64]

ECG, EMG, EEG

1.2

19

2.5 × 3.3

[67]

ECG, thoracic impedance variance (TIV)

1.2

2400

5 × 5

[68]

EEG

1

77.1

2.5 × 2.5

[69]

Temperature, pressure

0.4/0.5

7.7

2.2 × 2.7

[70]

Neural, ECG, EMG, EEG

1

500

2.5 × 1