

Overview
The MICRF219AAYQS-TR is a RF Transceiver IC made by Microchip Technology in a QSOP-16-150mil package with 16 pins. Power-on reset function、Supports RSSI function QSOP-16-150mil RF Transceiver ICs ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:MICRF219AAYQS-TR, from EasyEDA) and its footprint (Package_SO:QSOP-16_3.9x4.9mm_P0.635mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C628267). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
9- Applications
- RKE
- Data Rate
- 20Kbps
- Features
- Power-on reset function, Supports RSSI function
- Frequency Range
- 300MHz~450MHz
- Operating Temperature
- -40℃~+105℃
- Receive Current
- 4.3mA
- Sensitivity
- -112.5dBm
- Type
- Receivers
- Voltage - Supply
- 3V~3.6V
Order codes
1- MICRF219AAYQS-TRLCSC C628267
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | RO1 | Unspecified |
| 2 | GNDRF | Unspecified |
| 3 | ANT | Unspecified |
| 4 | GNDRF | Unspecified |
| 5 | VDD | Unspecified |
| 6 | SQ | Unspecified |
| 7 | SEL0 | Unspecified |
| 8 | SHDN | Unspecified |
| 9 | GND | Unspecified |
| 10 | DO | Unspecified |
| 11 | SEL1 | Unspecified |
| 12 | CTH | Unspecified |
| 13 | CAGC | Unspecified |
| 14 | RSSI | Unspecified |
| 15 | SCLK | Unspecified |
| 16 | RO2 | Unspecified |
Open-source boards using it
All 1- 4 layers244 × 244 mm

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Is there a KiCad symbol and footprint for the MICRF219AAYQS-TR?
Yes. The symbol is EasyEDA_Cloud:MICRF219AAYQS-TR and the footprint Package_SO:QSOP-16_3.9x4.9mm_P0.635mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the MICRF219AAYQS-TR?
QSOP-16-150mil, with 16 pins. Its footprint is drawn on this page.
Where is the MICRF219AAYQS-TR datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the MICRF219AAYQS-TR?
JLCPCB lists it as part C628267, with 0 in stock; the sellers' links on this page open their listings.
What can replace the MICRF219AAYQS-TR?
Parts like it in the library: the MICRF213AYQS by Microchip Technology, the MICRF218AYQS by Microchip Technology, the MICRF218AYQS-TR by Microchip Technology and the MICRF221AYQS by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the MICRF219AAYQS-TR?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
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