makerPower Solar is a smart solar battery charger and 5 V power supply combination. It allows technology professionals and enthusiasts to take their embedded systems and IoT devices off the grid and run them anywhere. It can operate as a simple stand-alone power supply or as a peripheral capable of comprehensive reporting of power conditions. True Maximum Power Point (MPPT) algorithms extract every joule of energy from all solar conditions.
You can certainly buy desktop power supplies, but they're not cheap. As the current capacity and output voltage quantity increase, so does the price. While a commercial desktop power supply is certainly worth the investment, you may want to consider a cheaper solution. Adapt an old computer power supply for use on your workbench. Computer power supplies have all the voltages you need and some very impressive current capabilities.
This is a 15W 5V USB adapter reference design board using quasi-resonant PWM IC ICE2QS03G (DSO-8) with CoolMOS™ IPS65R1K5CE (IPAK SL) and secondary side synchronous rectification with OptiMOS™ BSZ100N06LS3G (S3O8, 3x3 mm style SuperSO8) IR1161 (5-pin SOT-23). Designed for high-reliability systems, this reference USB adapter board features a compact form factor, high efficiency, low standby power, various protection methods, and passes conductive electromagnetic interference, ESD, and lightning shock wave testing. Customers only need to make slight changes to this board, and it can be used for production after final confirmation.
This 8W auxiliary SMPS reference design operates over a wide input range and is considered for indoor residential air conditioning applications. It uses the new ICE5AR4770BZSPWM fixed frequency CoolSET™ with a 700V integrated MOSFET in a DIP-7 package.
Not only is it open source, the author also has a super-detailed record of the design process. The bandwidth of each analog channel is not reduced in order to reduce costs. Each channel has a bandwidth of 350MHz, and higher sampling rate support can be designed in the future. Thunderbolt USB4 interface, speed up to 1GB/s (8Gbps)
Design and implementation of solar power generation simulation system based on TMS320F28335
The AC excitation variable speed constant frequency wind power generation experimental system was developed using TI's TMS320F2812 to complete the maximum wind energy tracking control experiment.
A stator-side direct power control algorithm based on multi-frequency proportional integral resonant controller
This design uses LM3S811 as the processor of the lubricating oil dielectric constant detection device, designs the AD5933 impedance measurement circuit, extracts capacitive reactance information from the impedance data, and calculates the change in the lubricating oil dielectric constant based on the change in capacitance to achieve lubrication control. Test the dielectric constant of oil and record the data to find out the change pattern between lubricating oil quality and dielectric constant.
The overall structure of this design is roughly composed of a main control module, a current signal sampling module, a power module and a serial port output module. In this article, the main control chip uses a microcontroller model STM32F103RC, which makes the structure as small as possible while ensuring the current sampling accuracy. It is as simple as possible, avoids complex and changeable circuit layout, is more convenient for PCB board production, and is relatively low-cost. Among them, in the design of the sampling conditioning circuit, a current transformer is used to sample the current signal.
The X-NUCLEO-SNK1M1 expansion board allows evaluating the features of TCPP01-M12 and the USB Type-C overvoltage protection for VBUS and CC lines suitable for Sink applications.
This project uses the 430 series MSP430F5310 microcontroller as the central processing unit to develop a new type of fault indicator to indicate phase-to-phase short circuit faults and single-phase ground faults that occur on transmission and distribution lines of 10KV and below. Its main working process is: sensing real-time voltage and current values from the high-voltage line, and sending them to the microcontroller for analysis and calculation after hardware processing. If the fault conditions are met, a flop signal is sent to cause the indicator to flop, and the action information is transmitted wirelessly. The communication module transmits the information to nearby communication substations.
The TEA2095 add-on board is designed for incorporation into existing resonant power supplies by replacing the secondary rectifier diodes. The add-on board consists of the TEA2095 Dual SR controller IC and low-ohmic MOSFETs in LFPAK package.
The STEVAL-L6981CDR evaluation board is based on the L6981CDRsynchronous monolithic step-down regulator capable of delivering up to 1.5 A DC.
The STEVAL-L6981NDR is based on the L6981NDR synchronous monolithic step-down regulator delivering up to 1.5 A DC.
The EVALMASTERGAN4 board is an easy to use and quick to adapt tool to evaluate the characteristics of MASTERGAN4 and to quickly create new topologies without the need of complete PCB design.
This demonstration board is a resonant LLC converter dedicated to any kind of industrial application where minimum size and high efficiency is required, based on MasterGaN1. This device, embedding a couple of GaN power transistors and a driver in the same package, allows to interface directly any kind of SMPS controller.
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