Female header always called as [Header connector", YYE provide widely range of header connector, from 2.54mm (.100″ inch) pitch to 1.0mm (.039″ inch) pitch. The number of pins (contacts) is from 2 to 40 pins per orw. There are three type: Straight (Dip Vertical), Right angle, SMT (surface mount). 1.0mm Female Header Dongguan City Yuanyue Electronics Co.Ltd , https://www.yyeconn.com
The following is the circuit diagram of the [Polarity Conversion Power Supply ICL7660]. This polarity conversion power supply uses the ICL7660, a specialized integrated circuit, along with two external capacitors to achieve DC/DC voltage polarity inversion. The design utilizes a charge pump configuration, which allows for efficient voltage conversion with minimal power loss.
The ICL7660 offers high efficiency—up to 95%—making it ideal for low-power applications. It consumes very little current in standby mode, with a quiescent current of just 0.5mA. The output current can range from 10mA to 20mA, making it suitable for a variety of small electronic devices that require voltage inversion.
This circuit is particularly useful in situations where you need to convert a positive voltage to a negative one or vice versa, without the need for a transformer. It's commonly used in portable electronics, sensor circuits, and other low-power systems where space and efficiency are key considerations.
The image below shows the detailed circuit layout of the ICL7660-based polarity converter:
(Editor: Circuit Diagram)
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