USB PD PSU: Unterschied zwischen den Versionen
Aus Project Logs
Admin (Diskussion | Beiträge) (initial commit) |
Admin (Diskussion | Beiträge) (→Research: Add EEV Blog) |
||
| Zeile 14: | Zeile 14: | ||
==Research== | ==Research== | ||
*Analog Devices circuit <ref>[https://www.analog.com/en/technical-articles/high-performance-portable-dc-bench-power-supply.html Analog Devices High Performance Portable DC Bench Power Supply]</ref> | *Analog Devices circuit <ref>[https://www.analog.com/en/technical-articles/high-performance-portable-dc-bench-power-supply.html Analog Devices High Performance Portable DC Bench Power Supply]</ref> | ||
| + | *EEV Blog PSU Design <ref>[https://www.youtube.com/playlist?list=PLBF35875F73B5C9B5 EEV Blog PSU Design Playlist]</ref> | ||
==System design== | ==System design== | ||
Version vom 9. September 2020, 08:04 Uhr
Lab Bench Power Supply with USB power delivery input
Inhaltsverzeichnis
Design constraints
- Powered via USB-C PowerDelivery
- 0V - 16V
- 0A - 3A
- CC-Mode
- CV-Mode
- show regulation mode (CC or CV)
- show the actual current
- show the actual voltage
- controlled via a microcontroller
Research
System design
USB PD => BUCK Converter => Liniear Converter => current sink
=>Microcontroller
USB PD
STUSB4500
- can be standalone
- I2C interface
- factory setting 20V?
- Arduino Setting script [3]
FUB302
- requires external MCU
TPS65986
BUCK Converter
Liniear Converter
LT3080
Datasheet[4]
- Max 1.1A
- 1.2V - 36V
- Dropout Voltage 350mV
- Min Load current 0.5mA
LT3081
Datasheet[5]
- Max 1.5A
- 1.2V - 36V
- Dropout Voltage 1.5V
- Min Load current 5mA
- Current Monitor
- Current Limit
- Temp Monitor
Current sink
LTC3632
negative supply as a constant current source with transistor
