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Keysight Introduces Battery Emulation and Profiling Solution for IoT Devices
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Keysight Technologies, Inc. has introduced the Keysight E36731A Battery Emulator and Profiler. It is a complete emulation solution that identifies the impact of variables affecting the battery drain of internet of things (IoT) devices. It will enable development engineers to improve their device designs.

International Data Corporation (IDC) estimates that there will be 41.6 billion connected IoT devices in use by 2025. Many of these will be portable, battery-operated devices requiring advanced battery management techniques. To ensure they perform well, development engineers need to design for peak battery performance and validate those designs against real-life performance. However, testing the run time of a physical battery is challenging and time-consuming, thus slowing time to market.

The Keysight E36731A Battery Emulator and Profiler addresses the battery testing needs of IoT device designers. It does so by giving them an integrated electronic load and power supply that can be used to emulate battery performance. By testing with an emulated battery, engineers can quickly assess the effect of design or software changes on battery life by instantly transitioning the battery’s charge state. This allows them to enhance their designs to achieve longer battery life and reduce device size.

The Battery Emulator and Profiler works with the Keysight PathWave BenchVue Advanced Battery Test and Emulation Software to provide a complete solution that:

  • Generates battery profiles. By generating battery profiles, the solution allows designers to establish known, good references with consistent properties that can be used over and over to simulate battery drain. Profiles can be linked to factors such as age and temperature.
  • Increases battery profile accuracy. By using the simulated current drain of a device to generate battery profiles, engineers can enhance the accuracy of profiles compared to using generic manufacturer models. This leads to better device designs.
  • Speeds testing with battery emulation. An emulated battery allows development engineers to instantly transition a battery’s charge state and gain real-time insight into the current drain. This increases efficiency and allows engineers to optimise designs for longer run time.
  • Automates battery run-down and cycle testing. By automating these tests, engineers can more accurately estimate battery run time and aging effects.
  • Offers flexibility. The solution provides power up to 200W, 30V and 20A. It also offers a wide dynamic measurement range from microamps to amps.

Carol Leh, Vice President and General Manager at Keysight’s Electronic Industrial Solutions Group’s Centre of Excellence, said: “The Keysight E36731A Battery Emulator and Profiler offers a valuable solution to design engineers who want to enhance their device designs. Rather than relying on intricate and time-consuming manual tests, the emulator allows engineers to quickly identify the current drain effect of critical factors such as hardware changes, software updates, and temperature changes. This way, engineers can save time and improve their device designs by using an emulated battery for testing, without the need for physical batteries.”

 

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