Power collection charger is a new type of charger that can charge devices by collecting electrical energy in the environment. This article will explore three different charging schemes to help readers better understand the power collection chargersHardware design. After in-depth discussion and accurate calculation, we selected the MC34063 booster chip as the preferred solution.
Power collection charger hardware design scheme 1: After discussion of the topic and theoretical calculation and analysis, MC34063 booster chip is selected as the first scheme to directly continuously boost the voltage, because this scheme can basically provide enough voltage for the load when discussed, but because the input resistance of the booster circuit is large, the internal resistance of the charging part is small, the voltage division of the power supply part is serious, and the power loss is too large. Therefore, the plan was abandoned.
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A data collector is a device or software used to collect and record data. It canConnect to various sensors or devices to collect and store data for subsequent analysis and application. The watt-hour meter data collector is a specific type of data collector used to collect and record the watt-hour meter data. The design and application of energy meter data collector mainly include the following aspects: Design: energy meter data collector is usually composed of hardware and software.
Overview of the types and functions of new energy vehicle chargers: Mobile charging connector: This is a portable charging device, designed for new energy vehicles. It is equipped with two different plugs to adapt to the national standard 220V single-phase 10A electrical socket and three-phase16A socket with output power of 8kW and 2kW.
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1, can be adjusted to 35V output, and then add a current limiting resistor, 0.5Ω ~ 0Ω1W, charging current maximum 1A, charging time because it is not constant current charging and not good calculation, not good estimate. It can be fully charged for about 5 hours, and it can be fully charged for 10 hours, with a voltage of 35V. If you charge for a limited time, you can adjust 45V, charge to 5 hours, and do not charge for a long time.
2, FS4059D is a 5V input, support four lithium battery boost charge management IC. FS4059D built-inMOS tube, the use of asynchronous switching architecture, so that it needs only a few peripheral devices in the application, can effectively reduce the overall scheme size, reduce the BOM cost. The FS4059D's boost switch charging converter operates at 90% efficiency.
3, four 18650 batteries in parallel, its voltage can only be 7V, if the output current is required 2A, the continuous discharge time is relatively short, therefore, with this battery as a power supply, the power of the electrical appliance can not be large, the working current must be less than 1A. This battery has a voltage of 7v per cell, although it is a four-cell connection and can only use an output of 5v charger charging, parallel after the output voltage is 7v and not 5v voltage.
4, this is 1-2A booster circuit, for lithium battery charging is enough, you can also use the following: nothing easy to make, hope to help you, please adopt.
The mt3608 chip can be used to boost the voltage, and the output voltage is determined by r1 and r2d is the Schottky diode. The inductance is 220 inductance, which is 22 microhenes. Low voltage can be boosted. r1 or r2 can be used as an adjustable booster with adjustable resistors. If it is a fixed resistor it can be used as a fixed booster.
Can 11 power supply scheme ● VDD = 0 ~ 6V: VDD pin supplies power to I/O pin and internal regulator. ● VSSA, VDDA = 0 ~ 6V: Provides power for ADC, reset module, RC oscillator and analog part of PLL. When using an ADC, the VDDA must not be less than 4V. VDDA and V