TIDT369B
November 2023 – July 2024
1
Description
Features
Applications
Resources
1
System Description
1.1
System Block Diagram
1.2
Key System Specification
1.3
Design Consideration
1.3.1
Boost Inductor Design
1.3.2
High Frequency Power Switch Selection
1.3.3
Input AC Voltage Sensing
1.3.4
Bulk Voltage Sensing
1.3.5
Input Current Sensing
1.3.6
Baby Boost Design
1.3.7
Relay
1.3.8
Protection
1.3.8.1
Over Voltage Protection
1.3.8.2
Over Current Protection
2
Download Firmware
3
Power Up
3.1
Required Equipment
3.2
Considerations
3.3
Start-Up Sequence
4
Testing Results
4.1
Start-Up Waveform
4.2
THD Performance
4.3
Power Factor
4.4
Efficiency
4.4.1
Efficiency Graph
4.4.2
Efficiency Data
4.5
E-meter Performance
4.5.1
E-meter Graphs
4.5.2
E-meter Data
4.6
Load Transients
4.7
Input Current Waveforms
4.8
AC Drop Test
4.9
Thermal Images
5
External Reference
Resources
TMS320F280039C
LMG3522R030
AMC1306M05
TMCS1133
How to reduce current spikes at AC zero-crossing for totem-pole PFC
Improve power density with a baby boost converter in a PFC circuit
Control challenges in a totem-pole PFC
Increase power factor by digitally compensating for PFC EMI-capacitor reactive current
AC cycle skipping inproves PFC light-load efficiency
Five major trends in power-supply designs for servers
Board Side View
Board Top View