TIDT391 April   2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Dimensions
    4. 1.4 Test Setup
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
  7. 3Waveforms
    1. 3.1 Start-Up Sequence
    2. 3.2 Switching
    3. 3.3 Short-Circuit Protection

1.1 Voltage and Current Requirements

Table 1-1 Voltage and Current Requirements
Parameter Specifications
Sink voltage range 5V–20V
Source voltage and current range For USB PD source: 5V, 3A,9V, 3A, 15V, 3A, 20V, 3A
For Non-USB PD source such as legacy AC-DC 5V, 2A charger
Battery Cell Configuration 4–7 cells
Battery voltage 16V–31.5V
Maximum charge current 900mA
Maximum power 27W
Switching frequency 300kHz
Efficiency 96% peak