99 Percent Accuracy of Power Consumption in Windows 10 Devices with Microchip Power Monitoring IC

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Closeup of Microchip PAC1934 power monitoring IC

Microchip’s new PAC1934 enables laptops, tablets, and mobile phone’s running Windows 10 to measure power usage data with up to 99 percent accuracy.

As the need for longer battery life increases, it becomes necessary for designers of computing products to accurately gauge power consumption. Microsoft has built Windows 10 with a feature called Energy Estimation Engine (E3) to help do just that. Utilizing this functionality, Microchip has introduced the PAC1934 power monitoring IC. When used with their Windows 10 driver and the E3 system, this solution boasts up to 99% accuracy of power consumption. This is an increase of up to 29% of conventional solutions.

According to Microsoft, the PAC1934 can accurately monitor the power of the LCD, CPU, storage, network, and other system components precisely. It provides substantial enhancements of the E3 system in Windows 10, and it’s made huge strides in allowing system designers provide accurate energy usage numbers to consumers.

The PAC1934 IC can measure voltage rails from 0V up to 32V. This wide range gives it the ability to measure power usage from CPU tasks on up to software that might be running on peripheral devices such as through a USB Type-C connector. It is a 4-channel IC with a 16-bit power measurement and a 17-minute accumulation register. This makes it a great fit for measuring power use and energy consumption without voltage or current range adjustments.

Windows 10 products need an accurate power measurement devices like this to give consumers precise data on battery life. Through its bi-directional measurement, it can measure battery charging and discharging. It is also well-suited for USB Type-C products, which are growing in the marketplace. Microchip also markets this device in servers, networking, automotive, and industrial applications as a standard high-side current sensor.

PAC1934
Price: $1.22/10k QTY
Lead Time: 8 Weeks
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A veteran of the semiconductor and electronics industry, Mel began his career repairing dot matrix printers in 1998 for a larget IT company in the healthcare space. While earning his electronic engineering degree, he worked at a small design firm, giving him a broad base of knowledge in mechanical and electrical engineering, as well as purchasing and supply chain management. Once he graduated, Mel decided to pursue technical sales, working for one of the largest broad-line electronic component distributors in the world. To narrow his focus on a group of suppliers and technologies, Mel spent eight years working as a manufacturers’ rep selling semiconductors. With a well-rounded background in engineering, distribution, and technical rep sales, he currently works for a large semiconductor manufacturer in the Atlanta area. Mel has two small children and enjoys hiking on the weekends.

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