SWRA659A March   2020  – June 2020 CC3100 , CC3100MOD , CC3200 , CC3200MOD

 

  1.   CC3x00 Power Management Optimization and Measurements
    1.     Trademarks
    2. 1 Introduction
      1. 1.1 Getting Started
        1. 1.1.1 For CC3100
        2. 1.1.2 For CC3200
    3. 2 Prerequisites
      1. 2.1 For CC3100
    4. 3 Basic System Power Modes for CC3X00
      1. 3.1 Hibernate State
        1. 3.1.1 Measurement Tool
        2. 3.1.2 Expected Results
      2. 3.2 LPDS State
        1. 3.2.1 Measurement Tool
        2. 3.2.2 Expected Results
        3. 3.2.3 Active (Rx and Tx) States
          1. 3.2.3.1 Configuration Parameter
          2. 3.2.3.2 Expected Results
    5. 4 Power Profiles Use Cases
      1. 4.1 Use Case 1: Always Connected
      2. 4.2 Configuring Options
        1. 4.2.1 Expected Results
      3. 4.3 Use Case 2: Intermittently Connected
        1. 4.3.1 Configuration Options
        2. 4.3.2 Expected Results
      4. 4.4 Use Case 3: Transceiver Mode
        1. 4.4.1 Configuration Options
          1. 4.4.1.1 Expected Results
    6. 5 Power Management Application Bench Mark
      1. 5.1 How to Use
      2. 5.2 Example Usage for CC3200
      3. 5.3 Example Usage for CC3100
    7. 6 Current Consumption Measurements Setup
      1. 6.1 Current Measurement for Profiles and Active States
      2. 6.2 Oscilloscope With Current Probe
        1. 6.2.1 Tools Needed
        2. 6.2.2 FW Needed
        3. 6.2.3 Pre-Requisites / Things to Consider
        4. 6.2.4 Procedure
      3. 6.3 Mobile Communications DC Source
        1. 6.3.1 Tools Needed
        2. 6.3.2 FW Needed
        3. 6.3.3 Pre-Requisites /Things to Consider
        4. 6.3.4 Procedure
      4. 6.4 Static Current Measurements
        1. 6.4.1 Tools Needed
        2. 6.4.2 FW Needed
        3. 6.4.3 Pre-Requisites/Things to Consider
        4. 6.4.4 Procedure
    8. 7 References
  2.   Revision History

6.3.3 Pre-Requisites /Things to Consider

  1. This particular setup can be used to measure transient currents.
  2. Set proper supply Voltage, Current and series resistor value before turning ON the supply Output.
  3. Make sure you select proper range in the “Range” tab before you start the measurements.
    1. There are three ranges: Low, Mid and HiGH. Select based on the requirement.
    2. Select the proper time and current divisions, these will be at top left and top right corner of plot window.
  4. Plot in the GUI might not match the current numbers due to software issue. But the Minimum, Average and Maximum values displayed at the bottom are accurate.
  5. In order to measure max current of particular spike/peak use marker, place markers on either side of the spikes and look for max currents.
  6. There is no necessity to tweak settings for the measurements accuracy. Hence Set it to default, software automatically sets the best possible accuracy with the current configuration.
  7. If you select the 4wire connection mode then software will take care of drop across the wire, there is no need to compensate for the drop across the wire.
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