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SX1278IMLTRT

SEMTECH

-148dBm -40℃~+85℃ 1.8V~3.7V 10.8mA 137MHz~525MHz 20dBm 29mA 300Kbps LoRa SPI transceiver QFN-28-EP(6x6) RF Transceiver ICs ROHS

Extended
DatasheetJLCPCBLCSCsemtech/SX1278IMLTRT
Category
RF Transceiver ICs
Package
QFN-28-EP(6x6)
Pins
28

Overview

The SX1278IMLTRT is a RF Transceiver IC made by SEMTECH in a QFN-28-EP(6x6) package with 29 pins. -148dBm -40℃~+85℃ 1.8V~3.7V 10.8mA 137MHz~525MHz 20dBm 29mA 300Kbps LoRa SPI transceiver QFN-28-EP(6x6) RF Transceiver ICs ROHS.

PCBKit's library has its KiCad symbol (RF:SX1278, from KiCad's library) and its footprint (Package_DFN_QFN:QFN-28-1EP_6x6mm_P0.65mm_EP4.8x4.8mm, from KiCad's library), ready for a KiCad board. 2,632 are in stock at JLCPCB (part C67678). 1 open-source board in 1 repository on GitHub use it.

Symbol

RFI_LF1VR_ANA2VBAT_ANA3VR_DIG4XTA5XTB6RESET7DIO08DIO19DIO210DIO311DIO412DIO513VBAT_DIG14GND15SCK16MISO17MOSI18NSS19RXTX/RF_MOD20VBAT_RF24VR_PA25PA_BOOST27RFO_LF28
RF:SX1278From KiCad's library

Footprint

29
Package_DFN_QFN:QFN-28-1EP_6x6mm_P0.65mm_EP4.8x4.8mmFrom KiCad's library

Parameters

12
Applications
LoRa
Current Of Transmitting
29mA
Data Rate
300Kbps
Features
CRC check function
Frequency Range
137MHz~525MHz
Interface
SPI
Operating Temperature
-40℃~+85℃
Output Power
20dBm
Receive Current
10.8mA
Sensitivity
-148dBm
Type
transceiver
Voltage - Supply
1.8V~3.7V

Order codes

1

Pinout

29
The pins of the SX1278IMLTRT
PinNameType
1RFI_LFInput
2VR_ANAPower in
3VBAT_ANAPower in
4VR_DIGPower in
5XTAInput/output
6XTBInput/output
7RESETInput
8DIO0Input/output
9DIO1Input/output
10DIO2Input/output
11DIO3Input/output
12DIO4Input/output
13DIO5Input/output
14VBAT_DIGPower in
15GNDPower in
16SCKInput
17MISOOutput
18MOSIInput
19NSSInput
20RXTX/RF_MODOutput
21GNDPassive
22GNDPassive
23GNDPassive
24VBAT_RFPower in
25VR_PAPower out
26GNDPassive
27PA_BOOSTPower out
28RFO_LFOutput
29GNDPassive

Open-source boards using it

All 1
  • 2 layers87.9 × 71.4 mmMeteostation, the printed circuit board in 3D

    Meteostation

    aleksul/WeatherStation

    If you want a customizable solution for monitoring weather in your town, you're in the right place!

    175 partsMIT

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Questions

Is there a KiCad symbol and footprint for the SX1278IMLTRT?

Yes. The symbol is RF:SX1278 and the footprint Package_DFN_QFN:QFN-28-1EP_6x6mm_P0.65mm_EP4.8x4.8mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SX1278IMLTRT?

QFN-28-EP(6x6), with 29 pins. Its footprint is drawn on this page.

Where is the SX1278IMLTRT datasheet?

SEMTECH publishes it: the Datasheet link on this page opens it.

Where can I order the SX1278IMLTRT?

JLCPCB lists it as part C67678, with 2,632 in stock; the sellers' links on this page open their listings.

What can replace the SX1278IMLTRT?

Parts like it in the library: the SX1276IMLTRT by SEMTECH, the SX1273IMLTRT by SEMTECH and the SX1279IMLTRT by SEMTECH. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the SX1278IMLTRT?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

3