TIDT270 April   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
  5. 2Testing and Results
    1. 2.1 Charge Efficiency
    2. 2.2 OTG Efficiency
    3. 2.3 Thermal Images
  6. 3Waveforms
    1. 3.1 Start-up
    2. 3.2 Shutdown
    3. 3.3 Charge Enable
    4. 3.4 Charge Disable
    5. 3.5 Typical Charge
    6. 3.6 Typical OTG
    7. 3.7 OTG Transient

2.3 Thermal Images

The PMP22085 can deliver 240 W with a small heat sink and approximately 200-LFM airflow. When air flow is not available, but with a small heat sink, the output capability is derated to 150 W. If a heat sink is not available, the output capability is further derated to 90 W.

GUID-20220328-SS0I-9Z52-GSDG-GCJQLFXDKS0D-low.pngFigure 2-2 VBUS = 24 V, VBAT = 21 V, IBAT = 9.6 A, About 200 W, IC Temp = 55.6°C, Q1 FET = 53.6°C, IND Temp = 53.8°C (With Heat Sink, About 200 LFM Airflow)