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TDSPWR2 Power Measurement and Analysis Software. Addressing Today’s Challenges. Power Supply Industry Trends. Voltages Decreasing. Currents Increasing. 1999. 2005. 1999. 2005. Source: ECN Supplement (Mar 2001). Power Measurement Challenges. Smaller, portable electronic products
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TDSPWR2 Power Measurement and Analysis Software Addressing Today’s Challenges
Power Supply Industry Trends Voltages Decreasing Currents Increasing 1999 2005 1999 2005 Source: ECN Supplement (Mar 2001)
Power Measurement Challenges • Smaller, portable electronic products • Demand for efficient, smaller, cost-effective power sources • Power dissipation from smaller packaging • Reduced noise tolerances of host devices • Regulated levels of radiated power
Introducing TDSPWR2Power Measurement & Analysis Software Transforms a digital oscilloscope into a sophisticated power analysis tool
TDSPWR2Features • HiPower Finder and B-H Analysis • Power loss measurements • Sophisticated report generation • Safe operating area • Automatic ripple measurement setup • Pre-compliance testing to EN61000-3-2 standard • THD, True Power, Apparent Power, Power Factor & Crest Factor • Modulation analysis • Auto Deskew
TDSPWR2’s Ideal PartnersTDS5000 & TDS7000 Oscilloscopes • Digital Phosphor Technology • Fast waveform capture rate • Live color analog-like display • Long record length • Advanced math • Up to 1GHz bandwidth and 5GS/s sample rate
Measurement ChallengeSwitching Loss • Most switching loss occurs during transitions • Minimize transition time to reduce switching loss • Must be able to measure turn-on, turn-off and cycle power loss • Most oscilloscope solutions don’t measure to this level of detail
TDSPWR2 SolutionSwitching Loss • TDSPWR2 automatically computes the switching loss at Turn-on, Turn-off and for the entire cycle at the switching device • Min, Max and average values computed for trend data on switching loss over time in a dynamic load situation • HiPower Finder feature analyzes pinpoints areas of instantaneous power dissipation
Measurement ChallengeCore Loss & B-H Analysis • Magnetic components designed to enhance performance may cause power dissipation • Important to know the operating limits of these components in order to determine safe operation of the power supply • No current oscilloscope solution can provide this data
TDSPWR2 SolutionCore Loss & B-H Analysis • TDSPWR2 provides visualization of the inductor behavior • Automatically measures core loss and the inductance value of the coil • TDSPWR2 automatically displays B-H plot for further analysis
Measurement ChallengeTest Report Generation • Customers demand lengthy, custom-formatted test reports • Manual report preparation is very tedious and time-consuming
TDSPWR2 SolutionTest Report Generation • TDSPWR2 enables automatic generation of customized test reports • Automatically generate reports with a push of a button • Create templates, with custom oscilloscope fields, settings and measurements • Size selection • Editable • Easily exportable file format
Measurement ChallengeAnalysis of Safe Operating Areas • Designers must analyze and monitor the safe operating limits in a real-world environment with fluctuating power demands • Requires capture and analysis of long-duration events
TDSPWR2 SolutionAnalysis of Safe Operating Areas • TDSPWR2 and a DPO provide the long record length and automatic measurements to make this task fast, easy • Long record length of scope captures entire event • Automatically measure and determine safe operating area • Locate and analyze the linkage between safe operating area and the waveform in the time domain
Measurement ChallengeQuick Test To EN61000-3-2 Standard • Designers need to test for Current Harmonic standard EN61000-3-2 standard • Requires to analyze the current Harmonic component up to 40th component • Need to know the sample rate to capture all harmonic component • Understand the EN61000-3-2 test process
TDSPWR2 SolutionQuick Test To EN61000-3-2 Standard • TDSPWR2 provides Pre-Compliance test capability to test for EN61000-3-2 standard • Simple operation • Automatically determines the sample rate and record length to capture all current harmonic • Supports Class A,Class B, Class C, Class D devices • Same time measures THD, True Power, Power factor
Measurement ChallengeMeasuring ripple at output DC Voltage • Designers must measure ripple in output DC voltage to determine the noise in the output voltage • Requires capture and analyze the ripple caused by by line frequency and switching frequency
TDSPWR2 SolutionMeasuring ripple at output DC Voltage • Provides ripple due to line frequency by single button
TDSPWR2 SolutionMeasuring ripple at output DC Voltage • Provides ripple due to switching frequency by single button
TDSPWR2 Summary • Analyzes Power loss at switching device • Analyzes Core loss and B-H analysis at magnetic component • Simplifies customized test report formats • Quickly provides data on Safe Operating Area • Pre Compliance test to EN61000-3-2 standard • Simplified ripple measurement