SX1278
RF
137 MHz to 525 MHz Low Power Long Range Transceiver, spreading factor from 6 to 12, LoRA, QFN-28
Symbol
29 pins
- Units
- 1
- Kind
- part
- Grid
- on 1.27 mm
Footprint
29 pads
- Library
- Package_DFN_QFN
- Mount
- smd
- Courtyard
- 7.26 × 7.26 mm
- Link
- exact
- Footprint page
- Open →
3D model
STEPPackage_DFN_QFN_QFN-28-1EP_6x6mm_P0.65mm_EP4.8x4.8mm
6 × 6 × 0.93 mm
294 KB STEP
- Library
- Package_DFN_QFN_QFN-28-1EP_6x6mm_P0.65mm
- Link
- exact
- Model page
- Open →
Pins and pads
Every pin on the symbol has a pad on the footprint.
| Pin | Name | Type | Pad |
|---|---|---|---|
| 1 | RFI_LF | input | 1 |
| 2 | VR_ANA | power_in | 2 |
| 3 | VBAT_ANA | power_in | 3 |
| 4 | VR_DIG | power_in | 4 |
| 5 | XTA | bidirectional | 5 |
| 6 | XTB | bidirectional | 6 |
| 7 | ~{RESET} | input | 7 |
| 8 | DIO0 | bidirectional | 8 |
| 9 | DIO1 | bidirectional | 9 |
| 10 | DIO2 | bidirectional | 10 |
| 11 | DIO3 | bidirectional | 11 |
| 12 | DIO4 | bidirectional | 12 |
| 13 | DIO5 | bidirectional | 13 |
| 14 | VBAT_DIG | power_in | 14 |
| 15 | GND | power_in | 15 |
| 16 | SCK | input | 16 |
| 17 | MISO | output | 17 |
| 18 | MOSI | input | 18 |
| 19 | NSS | input | 19 |
| 20 | RXTX/RF_MOD | output | 20 |
| 21 | GND | passive | 21 |
| 22 | GND | passive | 22 |
| 23 | GND | passive | 23 |
| 24 | VBAT_RF | power_in | 24 |
| 25 | VR_PA | power_out | 25 |
| 26 | GND | passive | 26 |
| 27 | PA_BOOST | power_out | 27 |
| 28 | RFO_LF | output | 28 |
| 29 | GND | passive | 29 |
On real boards
16 designs use this part
2 placed it by name in a schematic; 14 carry its footprint on a board, and no other part in the catalog uses that footprint. Largest first.
- PCB Design BOARD13by footprint
- PCB Design BOARD10by footprint
- SkyCellby footprint
- Interrupt FLP BOARD2by footprint
- PCB Design BOARD11by footprint
- PCB Design BOARD8by footprint
- PCB Design BOARD12by footprint
- Interrupt FLPby footprint
- Emasi KiCAD PROJECTS PCBby footprint
- Interrupt FLP BOARD3by footprint
- Interrupt FLPby name
- Lyra BOARD2by footprint
- PicoSat Initiative BOARD11by footprint
- Smart Irrigation System BOARD2by footprint
- Smart Irrigation Systemby name
- Smart Irrigation Systemby footprint
Provenance
- Source
- kicad-symbols
- Credit
- KiCad Libraries Contributors
- Licence
- CC-BY-SA-4.0-with-KiCad-exception
- Link method
- exact
- Cross-check
- passed