Overview
The TD1781 is a DC DC Converter made by Techcode Semicon in a QFN-20L(5x5) package with 26 pins. -40℃~+85℃@(TA) 100kHz~150kHz 4.5V~40V 6A Adjustable Buck Buck Built-in Yes QFN-20L(5x5) DC-DC Converters ROHS.
PCBKit's library has its footprint (EasyEDA_Cloud:QFN-20_L5.0-W5.0-P0.80-TL-TD1781, from EasyEDA), ready for a KiCad board. 148 are in stock at JLCPCB (part C22366089).
Symbol
The library has no symbol for this part yet.
Footprint
Parameters
13- Features
- Overcurrent Protection
- Frequency - Switching
- 100kHz~150kHz
- Function
- Step-down type
- Number of Outputs
- 2
- Operating Temperature
- -40℃~+85℃@(TA)
- Output Current
- 6A
- Output Type
- Adjustable
- Output Voltage
- 1.2V~40V
- Quiescent Current
- 1.1mA
- Switch tube (built-in/external)
- Built-in
- Synchronous Rectifier
- Yes
- Topology
- Buck
- Voltage - Supply
- 4.5V~40V
Order codes
1- TD1781LCSC C22366089
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Is there a KiCad symbol and footprint for the TD1781?
Yes. the footprint EasyEDA_Cloud:QFN-20_L5.0-W5.0-P0.80-TL-TD1781, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the TD1781?
QFN-20L(5x5), with 26 pins. Its footprint is drawn on this page.
Where is the TD1781 datasheet?
Techcode Semicon publishes it: the Datasheet link on this page opens it.
Where can I order the TD1781?
JLCPCB lists it as part C22366089, with 148 in stock; the sellers' links on this page open their listings.
What can replace the TD1781?
Parts like it in the library: the TD1780 by Techcode Semicon. Check their datasheets: a part that fits the footprint may still differ in its ratings.
