TDSPWR2 Power Measurement and Analysis Software Addressing Today’s Challenges

Power Supply Industry Trends Voltages DecreasingCurrents Increasing 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 TDSPWR2 Power Measurement & Analysis Software Transforms a digital oscilloscope into a sophisticated power analysis tool

TDSPWR2 Features  HiPower Finder and B-H Analysis  Power loss measurements  Sophisticated report generation  Safe operating area  Automatic ripple measurement setup  Pre-compliance testing to EN standard  THD, True Power, Apparent Power, Power Factor & Crest Factor  Modulation analysis  Auto Deskew

TDSPWR2’s Ideal Partners TDS5000 & 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 Challenge Switching 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 Solution Switching 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 Challenge Core 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 Solution Core 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 Challenge Test Report Generation  Customers demand lengthy, custom- formatted test reports  Manual report preparation is very tedious and time- consuming

TDSPWR2 Solution Test 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 Challenge Analysis 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 Solution Analysis 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 Challenge Quick Test To EN Standard  Designers need to test for Current Harmonic standard EN 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 EN test process

TDSPWR2 Solution Quick Test To EN Standard  TDSPWR2 provides Pre- Compliance test capability to test for EN 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 Challenge Measuring 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 Solution Measuring ripple at output DC Voltage  Provides ripple due to line frequency by single button

TDSPWR2 Solution Measuring 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 EN standard  Simplified ripple measurement