Research Article
A Low-Power and Low-Voltage Power Management Strategy for On-Chip Micro Solar Cells
Table 2
Comparison of efficiency of proposed boost converters to previously reported boost converter based energy harvesters.
| Parameter |
Reference [13] |
Reference [14] |
Reference [15] |
Reference [16] |
Reference [17] | This work | MSC1 | MSC2 | MSC3 |
| Input voltage range (Volt) | 0.33–3.0 | 0.04–0.30 | 0.5 | 0.15–0.75 | 0.5–2.0 | 0.30–0.38 | 0.33–0.42 | 0.32–0.40 | Energy harvesting source type | Photovoltaic | Thermoelectric | Photovoltaic | Photovoltaic | Photovoltaic | Photovoltaic | Photovoltaic | Photovoltaic | Managed power () (W) | 100 | 4,430 | 108 | 1,100 | 10,000 | 25.9 | 23.7 | 32.8 | Boost converter efficiency | 61.0% | NA | NA | 87.0% | 87.0% | 59.2% | 62.3% | 64.5% | Controller power cons. () (W) | NA | 0.4 | 0.41 | 5.0 | 2.1 | 1.35 | 0.91 | 1.12 | Harvester overall efficiency | NA | 83.0% | 78.9% | 86.5% | 87.0% | 54.0% | 58.4% | 61.1% | Tracking efficiency (/) | NA | NA | NA | 96% | 80% | 96% | 94% | 97% | End to end harvesting efficiency | NA | 83.0% | 78.9% | 83.0% | 70.0% | 51.8% | 54.9% | 59.2% |
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