component
EFR32BG22C222F352GM40-C
Public Made by Adomby adom
SILICON LABS RF Transceiver ICs, QFN-40-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
EFR32BG22C222F352GM40-C
SILICON LABS · RF Transceiver ICs · QFN-40-EP(5x5)
EFR32BG22C222F352GM40-C from SILICON LABS, in a QFN-40-EP(5x5). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | PC00 | bidirectional | General-purpose I/O pin PC00 (also EM4 wakeup input GPIO.EM4WU6 and GPIO.THMSW_EN per Table 6.4); GPIO input thresholds are set by IOVDD per Table 4.30. |
| 2 | PC01 | bidirectional | General-purpose I/O pin; the datasheet gives no further per-pin limits, so IOVDD-referenced GPIO thresholds from Table 4.30 apply. |
| 3 | PC02 | bidirectional | General-purpose I/O pin; the datasheet gives no further per-pin limits, so IOVDD-referenced GPIO thresholds from Table 4.30 apply. |
| 4 | PC03 | bidirectional | General-purpose I/O pin; the datasheet gives no further per-pin limits, so IOVDD-referenced GPIO thresholds from Table 4.30 apply. |
| 5 | PC04 | bidirectional | General-purpose I/O pin; the datasheet gives no further per-pin limits, so IOVDD-referenced GPIO thresholds from Table 4.30 apply. |
| 6 | PC05 | bidirectional | General-purpose I/O pin; also EM4 wakeup input GPIO.EM4WU7 per Table 6.4. |
| 7 | PC06 | bidirectional | General-purpose I/O pin; the datasheet gives no further per-pin limits, so IOVDD-referenced GPIO thresholds from Table 4.30 apply. |
| 8 | PC07 | bidirectional | General-purpose I/O pin; also EM4 wakeup input GPIO.EM4WU8 per Table 6.4. |
| 9 | HFXTAL_I | input | High-frequency crystal oscillator input, used with the 38.4 MHz crystal in the typical application circuits. |
| 10 | HFXTAL_O | output | High-frequency crystal oscillator output, used with the 38.4 MHz crystal in the typical application circuits. |
| 11 | RESETn | input | Active-low reset pin, internally pulled up to DVDD (35/44/55 kΩ per Table 4.30), with a minimum low time of 100 ns to ensure pin reset. |
| 12 | RFVDD | power_in | Radio power supply input for the 2.4 GHz radio subsystem. |
| 13 | RFVSS | power_in | Radio ground return for the 2.4 GHz radio subsystem. |
| 14 | RF2G4_IO | bidirectional | Single-ended 2.4 GHz RF input/output, connected to the external matching network with a 50 Ω antenna interface. |
| 15 | PAVDD | power_in | Power amplifier (PA) power supply input for the integrated PA, which provides up to 6 dBm output power. |
| 16 | PB04 | bidirectional | General-purpose I/O pin; the datasheet gives no further per-pin limits, so IOVDD-referenced GPIO thresholds from Table 4.30 apply. |
| 17 | PB03 | bidirectional | General-purpose I/O pin; also EM4 wakeup input GPIO.EM4WU4 per Table 6.4. |
| 18 | PB02 | bidirectional | General-purpose I/O pin; the datasheet gives no further per-pin limits, so IOVDD-referenced GPIO thresholds from Table 4.30 apply. |
| 19 | PB01 | bidirectional | General-purpose I/O pin; also EM4 wakeup input GPIO.EM4WU3 per Table 6.4. |
| 20 | PB00 | bidirectional | General-purpose I/O pin; the datasheet gives no further per-pin limits, so IOVDD-referenced GPIO thresholds from Table 4.30 apply. |
| 21 | PA00 | bidirectional | General-purpose I/O pin; also IADC0.VREFP per Table 6.4. |
| 22 | PA01 | bidirectional | General-purpose I/O pin; also GPIO.SWCLK debug clock per Table 6.4. |
| 23 | PA02 | bidirectional | General-purpose I/O pin; also GPIO.SWDIO debug data per Table 6.4. |
| 24 | PA03 | bidirectional | General-purpose I/O pin; also GPIO.SWV, GPIO.TDO and GPIO.TRACEDATA0 per Table 6.4. |
| 25 | PA04 | bidirectional | General-purpose I/O pin; also GPIO.TDI and GPIO.TRACECLK per Table 6.4. |
| 26 | PA05 | bidirectional | General-purpose I/O pin; also EM4 wakeup input GPIO.EM4WU0 per Table 6.4. |
| 27 | PA06 | bidirectional | General-purpose I/O pin; the datasheet gives no further per-pin limits, so IOVDD-referenced GPIO thresholds from Table 4.30 apply. |
| 28 | PA07 | bidirectional | General-purpose I/O pin; the datasheet gives no further per-pin limits, so IOVDD-referenced GPIO thresholds from Table 4.30 apply. |
| 29 | PA08 | bidirectional | General-purpose I/O pin; the datasheet gives no further per-pin limits, so IOVDD-referenced GPIO thresholds from Table 4.30 apply. |
| 30 | DECOUPLE | power_out | Decouple output for the on-chip voltage regulator; an external decoupling capacitor is required at this pin. |
| 31 | VREGSW | output | DC-DC regulator switching node, connected to the external DC-DC inductor (LDCDC) in the DCDC configurations. |
| 32 | VREGVDD | power_in | DC-DC regulator input supply. |
| 33 | VREGVSS | power_in | DC-DC converter ground. |
| 34 | DVDD | power_in | Digital power supply; it is the reference for the RESETn input thresholds (0.3×DVDD low, 0.7×DVDD high). |
| 35 | AVDD | power_in | Analog power supply; the datasheet gives the main analog supply range of 1.71 V to 3.8 V for the IADC in Table 4.31. |
| 36 | IOVDD | power_in | I/O power supply; GPIO input thresholds and output levels are referenced to this supply per Table 4.30. |
| 37 | PD03 | bidirectional | General-purpose I/O pin; the datasheet gives no further per-pin limits, so IOVDD-referenced GPIO thresholds from Table 4.30 apply. |
| 38 | PD02 | bidirectional | General-purpose I/O pin; also EM4 wakeup input GPIO.EM4WU9 per Table 6.4. |
| 39 | PD01 | bidirectional | General-purpose I/O pin; also LFXO.LFXTAL_I and LFXO.LF_EXTCLK per Table 6.4. |
| 40 | PD00 | bidirectional | General-purpose I/O pin; also LFXO.LFXTAL_O per Table 6.4. |
| 41 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | SILICON LABS |
| Package | QFN-40-EP(5x5) |
| Category | RF & Radio |
| Pins | 41 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Storage temperature range | TSTG | -50 | 150 | °C | 18 | ||
| Voltage on any supply pin | VDDMAX | -0.3 | 3.8 | V | 18 | ||
| Junction temperature | TJMAX | 105 | °C | -G grade | 18 | ||
| Voltage ramp rate on any supply pin | VDDRAMPMAX | 1 | V/µs | 18 | |||
| Voltage on HFXO pins | VHFXOPIN | -0.3 | 1.4 | V | 18 | ||
| DC voltage on any GPIO pin | VDIGPIN | -0.3 | V | Max printed as VIOVDD + 0.3 (not numeric) | 18 | ||
| DC voltage on RESETn pin | VRESETn | -0.3 | 3.8 | V | 18 | ||
| Input RF level on RF pins RF2G4_IO | PRFMAX2G4 | 10 | dBm | 18 | |||
| Absolute voltage on RF pin RF2G4_IO | VMAX2G4 | -0.3 | V | Max printed as VPAVDD + 0.3 (not numeric) | 18 | ||
| Total current into VDD power lines | IVDDMAX | 200 | mA | Source | 18 | ||
| Total current into VSS ground lines | IVSSMAX | 200 | mA | Sink | 18 | ||
| Current per I/O pin | IIOMAX | 50 | mA | Sink | 18 | ||
| Current for all I/O pins | IIOALLMAX | 200 | mA | Sink | 18 | ||
| Operating ambient temperature range | TA | -40 | 85 | °C | -G temperature grade | 19 | |
| DVDD supply voltage | VDVDD | 1.71 | 3 | 3.8 | V | EM0/1 | 19 |
| AVDD supply voltage | VAVDD | 1.71 | 3 | 3.8 | V | 19 | |
| IOVDDx operating supply voltage (All IOVDD pins) | VIOVDDx | 1.71 | 3 | 3.8 | V | 19 | |
| PAVDD operating supply voltage | VPAVDD | 1.71 | 3 | 3.8 | V | 19 | |
| VREGVDD operating supply voltage | VVREGVDD | 2.2 | 3 | 3.8 | V | DC-DC in regulation | 19 |
| VREGVDD operating supply voltage | VVREGVDD | 1.8 | 3 | 3.8 | V | DC-DC in bypass 60 mA load | 19 |
| VREGVDD operating supply voltage | VVREGVDD | 1.71 | 3 | 3.8 | V | DC-DC not in use. DVDD externally shorted to VREGVDD | 19 |
| RFVDD operating supply voltage | VRFVDD | 1.71 | 3 | V | Max printed as VPAVDD (not numeric) | 19 | |
| DECOUPLE output capacitor | CDECOUPLE | 1 | 2.75 | µF | 1.0 µF ± 10% X8L capacitor used for performance characterization. | 19 | |
| HCLK and SYSCLK frequency | fHCLK | 76.8 | MHz | VSCALE2, MODE = WS1 | 19 | ||
| HCLK and SYSCLK frequency | fHCLK | 40 | MHz | VSCALE2, MODE = WS0 | 19 | ||
| PCLK frequency | fPCLK | 50 | MHz | VSCALE2 | 19 | ||
| PCLK frequency | fPCLK | 40 | MHz | VSCALE1 | 19 | ||
| EM01 Group A clock frequency | fEM01GRPACLK | 76.8 | MHz | VSCALE2 | 19 | ||
| EM01 Group A clock frequency | fEM01GRPACLK | 40 | MHz | VSCALE1 | 19 | ||
| EM01 Group B clock frequency | fEM01GRPBCLK | 76.8 | MHz | VSCALE2 | 19 | ||
| EM01 Group B clock frequency | fEM01GRPBCLK | 40 | MHz | VSCALE1 | 19 | ||
| Input voltage range at VREGVDD pin | VVREGVDD | 2.2 | 3 | 3.8 | V | DCDC in regulation, ILOAD = 60 mA, EM0/EM1 mode | 21 |
| Input voltage range at VREGVDD pin | VVREGVDD | 1.8 | 3 | 3.8 | V | DCDC in regulation, ILOAD = 5 mA, EM0/EM1 or EM2/EM3 mode | 21 |
| Regulation DC accuracy | ACCDC | -2.5 | 3.3 | % | VVREGVDD ≥ 2.2 V, Steady state in EM0/EM1 mode or EM2/EM3 mode | 21 | |
| Regulation total accuracy | ACCTOT | -5 | 7 | % | With mode transitions between EM0/EM1 and EM2/EM3 modes | 21 | |
| Output load current | ILOAD | 60 | mA | EM0/EM1 mode, DCDC in regulation | 21 | ||
| Output load current | ILOAD | 5 | mA | EM2/EM3 mode, DCDC in regulation | 21 | ||
| Nominal output capacitor | CDCDC | 4.7 | 10 | µF | 4.7 µF ± 10% X7R capacitor used for performance characterization | 21 | |
| Resistance in bypass mode | RBYP | 1.75 | 3 | Ω | Bypass switch from VREGVDD to DVDD, VVREGVDD = 1.8 V | 21 | |
| Powertrain PFET switch resistance | 0.86 | 1.5 | Ω | PFET switch from VREGVDD to VREGSW, VVREGVDD = 1.8 V | 21 | ||
| Supply monitor threshold programming range | VCMP_RNG | 2 | 2.3 | V | Programmable in 0.1 V steps | 21 | |
| Supply monitor threshold accuracy | VCMP_ACC | -5 | 5 | % | Supply falling edge trip point | 21 | |
| Flash supply voltage during write or erase | VFLASH | 1.71 | 3.8 | V | 33 | ||
| Flash erase cycles before failure | ECFLASH | 10000 | cycles | TA ≤ 125 °C | 33 | ||
| Flash data retention | RETFLASH | 10 | years | TA ≤ 125 °C | 33 | ||
| Program time | tPROG | 42.1 | 44 | 45.6 | uSec | one word (32-bits) | 33 |
| Page erase time | tPERASE | 11.4 | 12.9 | 14.4 | ms | 33 | |
| Mass erase time | tMERASE | 11.7 | 13 | 14.3 | ms | Erases all of User Code area | 33 |
| Program current | IPROG | 1.45 | mA | 33 | |||
| HFRCO frequency accuracy | FHFRCO_ACC | -3 | 3 | % | For all production calibrated frequencies | 51 | |
| Leakage current | ILEAK_IO | 150 | nA | MODEx = DISABLED, IOVDD = 3.8 V TA = 85 °C | 54 | ||
| Leakage current | ILEAK_IO | 200 | nA | Pins other than PA00, PA03, PB00, PC03, PC04 and PD00; MODEx = DISABLED, IOVDD = 3.8 V TA = 125 °C | 54 | ||
| Leakage current | ILEAK_IO | 550 | nA | Pins PA00, PA03, PB00, PC03, PC04 and PD00; MODEx = DISABLED, IOVDD = 3.8 V TA = 125 °C | 54 | ||
| Thermal resistance, junction to ambient, QFN40 (5x5mm) package | THETAJA_QFN40_5X5 | 32.6 | °C/W | 4-Layer PCB, Natural Convection | 24 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | PC | 4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body Components. | 87 |
CAD (KiCad official)
- Symbol:
EFR32BG22C222F352GM40-C - Footprint:
Package_DFN_QFN:QFN-40-1EP_5x5mm_P0.4mm_EP3.6x3.6mm - 3D model: QFN-40-EP(5x5) (KiCad packages3D, STEP)
- 3D model files:
efr32bg22c222f352gm40-c-etched.step/efr32bg22c222f352gm40-c-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);efr32bg22c222f352gm40-c.step/efr32bg22c222f352gm40-c.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: SILICON LABS datasheet (103 pp, sha256
a6edd21c47bb5245, retrieved 2026-10-30, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).