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Smart meters include new prepaid meters, multi-rate meters, and electronic meters with two-way communication capabilities, which provide extended functions including automatic meter reading (AMR), online query, remote connection/disconnection, and complex billing structures etc.
SSP1839 is a built-in clock calibration-free energy measurement chip, suitable for single-phase multi-function energy meters, smart sockets, smart home appliances, electric bicycle charging piles and other applications, and has a high cost performance.
During electronic design, we always need different DC voltages to provide circuit work. The most commonly used one is to use LDO voltage regulator chips to achieve the output of different DC voltages. So how to choose a suitable LDO is particularly important. Many engineers during selecting progress, they only select based on the two indicators of output voltage and current, but ignoring several other key technical indicators, resulting in the selected LDO is not the best choice. Let's learn about the working principle of LDO and several important technical indicators.
