TIDT380 February   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
  6. 2Testing and Results
    1. 2.1 Thermal Images
    2. 2.2 Bode Plots
  7. 3Waveforms
    1. 3.1 Cold Crank
    2. 3.2 Start-up
    3. 3.3 Steady State
    4. 3.4 Short-Circuit Protection
    5. 3.5 Load Transients

Voltage and Current Requirements

Table 1-1 Key System Specifications
DeviceParameterValue (MIN)Value (TYP)Value (MAX)Unit
LM74900-Q1Input voltage4.213.518Volt
Output voltage4.213.518Volt
Output current247.45.55Amp
LM5152-Q1Input voltage4.213.518Volt
Output voltage8.513.518Volt
Output current11.767.45.55Amp
Switching frequency440kHz
TPS7B8133-Q1Input voltage4.213.518Volt
Output voltage3.3Volt
Output current0.15Amp

LMQ644A2-Q1

Input voltage8.513.518Volt
Output voltage_13.3Volt
Output current_14Amp
Output voltage_26Volt
Output current_26Amp
Switching frequency440kHz
TPS628503-Q1Input voltage3.3Volt
Output voltage1.15Volt
Output current3Amp
Switching frequency2200kHz
TPS745-Q1Input voltage3.3Volt
Output voltage1.8Volt
Output current0.5Amp