2 layers100 × 100 mm
Vhf am tx
ayumu-bekki/vhf-am-tx
Seeed Studio XIAO ESP32C6 を用いた 144MHz帯 終段ドレイン変調 AM(A1A / A2A / A3E)送信機プロジェクト。 ARDF(アマチュア無線方向探知)用のフォックスハンティング送信機(A2A)、手動キーのCW送信機(A1A)、および音声AM送信機(A3E)として動作します。
157 partsCERN-OHL-P-2.0
Overview
The RT8250GSP is a DC DC Converter made by Richtek Tech in a SOIC-8-EP package with 9 pins. -40℃~+85℃@(TA) 1 340kHz 3A 4.5V~23V 925mV~20V Adjustable Buck Buck Built-in Yes SOIC-8-EP DC-DC Converters ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:RT8250GSP, from EasyEDA) and its footprint (EasyEDA_Cloud:SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-EP2.1, from EasyEDA), ready for a KiCad board. 28 are in stock at JLCPCB (part C3031660). 2 open-source boards in 2 repositories on GitHub use it.
Symbol
Footprint
Parameters
13- Features
- Load disconnect
- Frequency - Switching
- 340kHz
- Function
- Step-down type
- Number of Outputs
- 1
- Operating Temperature
- -40℃~+85℃@(TA)
- Output Current
- 3A
- Output Type
- Adjustable
- Output Voltage
- 925mV~20V
- Quiescent Current
- 700uA
- Switch tube (built-in/external)
- Built-in
- Synchronous Rectifier
- Yes
- Topology
- Buck
- Voltage - Supply
- 4.5V~23V
Order codes
1- RT8250GSPLCSC C3031660
Pinout
9| Pin | Name | Type |
|---|---|---|
| 1 | BOOT | Unspecified |
| 2 | VIN | Unspecified |
| 3 | SW | Unspecified |
| 4 | GND | Unspecified |
| 5 | FB | Unspecified |
| 6 | COMP | Unspecified |
| 7 | EN | Unspecified |
| 8 | SS | Unspecified |
| 9 | EP | Unspecified |
Open-source boards using it
All 2- 2 layers90 × 70 mm
Show this part on your page
<iframe src="https://pcbkit.io/embed/parts/richtek-tech/RT8250GSP" title="RT8250GSP in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/richtek-tech/RT8250GSP.jpg" alt="RT8250GSP" width="1200" height="900">[](https://pcbkit.io/parts/richtek-tech/RT8250GSP)Questions
Is there a KiCad symbol and footprint for the RT8250GSP?
Yes. The symbol is EasyEDA_Cloud:RT8250GSP and the footprint EasyEDA_Cloud:SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-EP2.1, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the RT8250GSP?
SOIC-8-EP, with 9 pins. Its footprint is drawn on this page.
Where is the RT8250GSP datasheet?
Richtek Tech publishes it: the Datasheet link on this page opens it.
Where can I order the RT8250GSP?
JLCPCB lists it as part C3031660, with 28 in stock; the sellers' links on this page open their listings.
What can replace the RT8250GSP?
Parts like it in the library: the RAA2128324GSP#HA0 by Renesas Electronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the RT8250GSP?
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
