Applications include:
• Microprocessor and microcontroller power profiling and optimization
• Hardware power optimization
• Microcontroller and device sleep current optimization
• Hardware and software troubleshooting
• Software characterization and interrupt service routine profiling
• USB inrush and suspend current pre-compliance testing
• General-purpose current, voltage, power, charge, and energy measurement
The Joulescope™ JS220 is the most affordable and easy-to-use precision DC energy analyzer. It
measures current and voltage, then computes power and energy. Many modern battery-powered
devices and IoT devices have a high dynamic current range, which makes accurate measurement
difficult. When “sleeping” the devices consume nanoamps (nA) or microamps (µA), but when active,
they consume milliamps (mA) or amps (A). Joulescope combines high-speed sampling and rapid
dynamic current range switching to provide accurate and seamless current and energy measurements,
even for devices with rapidly varying current consumption. The unprecedented accuracy and low-cost
of Joulescope allows every engineer on the team to measure the energy consumed by the target device
during development. Joulescope provides rapid feedback on how changes affect the overall product
battery life.
Joulescope displays instantaneous voltage, current, power, and energy, like a multimeter. The
multimeter provides a quick and easy summary of the present state of your device.
Joulescope displays waveforms of voltage and current over time, like an oscilloscope. This oscilloscope
view allows you to identify and to troubleshoot dynamic behavior and short events, including inrush
current, event handlers, and tasks.
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