Supporting your IoT system construction
Power supply configuration diagram for IoT devices
Supporting your IoT system construction
Power supply configuration diagram for IoT devices
Power supply configuration example for IoT devices composed of power management IC with ultra-low supply current, low noise, and low electromotive force.
| Product Name | Function | IQ | IOUT | VIN |
|---|---|---|---|---|
| R1800 | Low Quiescent Current Buck DC/DC Converter for Energy Harvester | 144 nA | 1 mA | 2.0 V to 5.5 V |
| RP511 | Low Quiescent Current Buck DC/DC Converter with Synchronous Rectifier | 300 nA | 100 mA | 2.0 V to 5.5 V |
| RP512 | Low Quiescent Current Buck DC/DC Converter with Synchronous Rectifier | 300 nA | 300 mA | 2.0 V to 5.5 V |
| RP604 | Low Quiescent Current Buck-Boost DC/DC Converter with Synchronous Rectifier | 300 nA | 300 mA | 1.8 V to 5.5 V |
| RP118 | Low Supply Current Voltage Regulator (LDO Regulator) | 200 nA | 100 mA | 1.7 V to 5.5 V |
IQ: Operating Quiescent Current
The total of all supply current of our products including R1800, RP604, RP511/RP512, and RP118 comes to 944 nA.
It is equivalent to about 240 years* of battery life calculated from the AA battery capacity.
* Theoretical calculation value
Additional Products for IoT Devices
Ultra-low supply current
| Product Name | Function | IQ | IOUT | VIN |
|---|---|---|---|---|
| NC2650 | Ultra-low Quiescent Current Buck Switching Regulator | 85 nA | 1000 mA | 1.8 V to 5.5 V |
| NC4650 | Ultra-Low Quiescent Current Boost Switching Regulator with Low Ripple Mode | 70 nA | 300 mA ＠Vin=3.0V, Vout=5.0V |
0.6 V to 5.5 V |
| NR1620 | 0.4V Output & Ultra-Low Supply Current Voltage Regulator | 400 nA | 150 mA | 2.4 V to 5.5 V |
For energy harvesting
| Product Name | Function | IQ | VIN | Minimum Starting Power |
|---|---|---|---|---|
| R1801 | Buck DC/DC Converter with Adjustable Maximum Power Point Control, Adjustable Output Voltage and PG Function |
200 nA | 2.3 V to 5.5 V | 1.00 µW |
| R1810 | Boost DC/DC Converter with PG Function | 600 nA | 0.35 V to 2.1 V | 9.0 µW |
With battery monitor
| Product Name | Function | ISS | IOUT | VIN |
|---|---|---|---|---|
| RP124 | Low Supply Current LDO Regulator with Battery Monitor | 0.3 µA | 100 mA | 1.7 V to 5.5 V |
| RP515 | Low Supply Current Buck DC/DC Converter with Battery Monitor | 0.4 µA | 300 mA | 1.8 V to 5.5 V |
| RP605 | Low Supply Current Buck-boost DC/DC Converter with Battery Monitor | 0.4 µA | 300 mA | 1.8 V to 5.5 V |