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IRS4427STRPBF
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Infineon Technologies Gate Drivers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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IRS4427STRPBF
Infineon Technologies · Gate Drivers · SOIC-8
IRS4427STRPBF from Infineon Technologies, in a SOIC-8. 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 | NC | unconnected | No connection; the datasheet lists this pin as not connected. |
| 2 | INA | input | Logic input for gate driver output OUTA; in phase with OUTA on the IRS4427, with CMOS Schmitt-triggered inputs compatible with 3.3 V and 5 V logic (VIH min 2.5 V, VIL max 0.8 V at VCC = 15 V). |
| 3 | GND | power_in | Ground; all voltage parameters in the datasheet are referenced to COM. |
| 4 | INB | input | Logic input for gate driver output OUTB; in phase with OUTB on the IRS4427, with the same Schmitt-triggered logic thresholds as INA. |
| 5 | OUTB | output | Gate drive output B; typical pulsed source current 2.3 A and sink current 3.3 A at VCC = 15 V. |
| 6 | VCC | power_in | Supply voltage; recommended operating range 6 V to 20 V, with an absolute maximum of 25 V referenced to COM. |
| 7 | OUTA | output | Gate drive output A; typical pulsed source current 2.3 A and sink current 3.3 A at VCC = 15 V. |
| 8 | NC | unconnected | No connection; the datasheet lists this pin as not connected. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Infineon Technologies |
| Package | SOIC-8 |
| Category | Motor Driver ICs |
| Pins | 8 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Fixed supply voltage | VCC | -0.3 | 25 | V | 5 | ||
| Output voltage | VO | -0.3 | V | 5 | |||
| Logic input voltage | VIN | -0.3 | V | 5 | |||
| Package power dissipation | PD | 0.625 | W | TA ≤ 25°C | 5 | ||
| Thermal resistance, junction to ambient | RthJA | 200 | °C/W | 5 | |||
| Junction temperature | TJ | 150 | °C | 5 | |||
| Storage temperature | TS | -55 | 150 | °C | 5 | ||
| Lead temperature | TL | 300 | °C | soldering, 10 seconds | 5 | ||
| Fixed supply voltage | VCC | 6 | 20 | V | 5 | ||
| Output voltage | VO | 0 | V | 5 | |||
| Logic input voltage | VIN | 0 | V | 5 | |||
| Ambient temperature | TA | -40 | 125 | °C | 5 | ||
| Logic 1 input voltage (IRS4427) | VIH | 2.5 | V | OUTA=HI, OUTB=HI (IRS4427) | 6 | ||
| Logic 0 input voltage (IRS4427) | VIL | 0.8 | V | OUTA=LO, OUTB=LO (IRS4427) | 6 | ||
| High level output voltage, VBIAS - VO | VOH | 1.4 | V | IO = 0 mA | 6 | ||
| Low level output voltage, VO | VOL | 0.15 | V | IO = 20 mA | 6 | ||
| Logic 1 input bias current | IIN+ | 5 | 15 | VIN = 5V (IRS4427) | 6 | ||
| Logic 0 input bias current | IIN- | -30 | -10 | VIN = 0V (IRS4427) | 6 | ||
| Quiescent VCC supply current | IQCC | 100 | 200 | µA | VIN = 0V or 5V | 6 | |
| Turn-on propagation delay | ton | 50 | 95 | ns | Figure 2; VCC = 15V, TA = 25°C, CL = 1000pF | 7 | |
| Turn-off propagation delay | toff | 50 | 95 | ns | Figure 2; VCC = 15V, TA = 25°C, CL = 1000pF | 7 | |
| Turn-on rise time | tr | 25 | 55 | ns | Figure 2; VCC = 15V, TA = 25°C, CL = 1000pF | 7 | |
| Turn-off fall time | tf | 25 | 55 | ns | Figure 2; VCC = 15V, TA = 25°C, CL = 1000pF | 7 | |
| Output high short circuit pulsed current (IRS4427) | IO+ | 2.3 | A | VO = 0V, VIN = 5V (IRS4427) | 6 | ||
| Output low short circuit pulsed current (IRS4427) | IO- | 3.3 | A | VO = 15V, VIN = COM (IRS4427) | 6 |
CAD (KiCad official)
- Symbol:
IRS4427STRPBF - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
irs4427strpbf-etched.step/irs4427strpbf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);irs4427strpbf.step/irs4427strpbf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Infineon Technologies datasheet (17 pp, sha256
87504d2f18c9027c, retrieved 2026-10-18, 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).
# IRS4427STRPBF
**Infineon Technologies** · Gate Drivers · SOIC-8
IRS4427STRPBF from Infineon Technologies, in a SOIC-8. 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 | NC | unconnected | No connection; the datasheet lists this pin as not connected. |
| 2 | INA | input | Logic input for gate driver output OUTA; in phase with OUTA on the IRS4427, with CMOS Schmitt-triggered inputs compatible with 3.3 V and 5 V logic (VIH min 2.5 V, VIL max 0.8 V at VCC = 15 V). |
| 3 | GND | power_in | Ground; all voltage parameters in the datasheet are referenced to COM. |
| 4 | INB | input | Logic input for gate driver output OUTB; in phase with OUTB on the IRS4427, with the same Schmitt-triggered logic thresholds as INA. |
| 5 | OUTB | output | Gate drive output B; typical pulsed source current 2.3 A and sink current 3.3 A at VCC = 15 V. |
| 6 | VCC | power_in | Supply voltage; recommended operating range 6 V to 20 V, with an absolute maximum of 25 V referenced to COM. |
| 7 | OUTA | output | Gate drive output A; typical pulsed source current 2.3 A and sink current 3.3 A at VCC = 15 V. |
| 8 | NC | unconnected | No connection; the datasheet lists this pin as not connected. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Infineon Technologies |
| Package | SOIC-8 |
| Category | Motor Driver ICs |
| Pins | 8 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Fixed supply voltage | VCC | -0.3 | | 25 | V | | 5 |
| Output voltage | VO | -0.3 | | | V | | 5 |
| Logic input voltage | VIN | -0.3 | | | V | | 5 |
| Package power dissipation | PD | | | 0.625 | W | TA ≤ 25°C | 5 |
| Thermal resistance, junction to ambient | RthJA | | | 200 | °C/W | | 5 |
| Junction temperature | TJ | | | 150 | °C | | 5 |
| Storage temperature | TS | -55 | | 150 | °C | | 5 |
| Lead temperature | TL | | | 300 | °C | soldering, 10 seconds | 5 |
| Fixed supply voltage | VCC | 6 | | 20 | V | | 5 |
| Output voltage | VO | 0 | | | V | | 5 |
| Logic input voltage | VIN | 0 | | | V | | 5 |
| Ambient temperature | TA | -40 | | 125 | °C | | 5 |
| Logic 1 input voltage (IRS4427) | VIH | 2.5 | | | V | OUTA=HI, OUTB=HI (IRS4427) | 6 |
| Logic 0 input voltage (IRS4427) | VIL | | | 0.8 | V | OUTA=LO, OUTB=LO (IRS4427) | 6 |
| High level output voltage, VBIAS - VO | VOH | | | 1.4 | V | IO = 0 mA | 6 |
| Low level output voltage, VO | VOL | | | 0.15 | V | IO = 20 mA | 6 |
| Logic 1 input bias current | IIN+ | | 5 | 15 | | VIN = 5V (IRS4427) | 6 |
| Logic 0 input bias current | IIN- | -30 | -10 | | | VIN = 0V (IRS4427) | 6 |
| Quiescent VCC supply current | IQCC | | 100 | 200 | µA | VIN = 0V or 5V | 6 |
| Turn-on propagation delay | ton | | 50 | 95 | ns | Figure 2; VCC = 15V, TA = 25°C, CL = 1000pF | 7 |
| Turn-off propagation delay | toff | | 50 | 95 | ns | Figure 2; VCC = 15V, TA = 25°C, CL = 1000pF | 7 |
| Turn-on rise time | tr | | 25 | 55 | ns | Figure 2; VCC = 15V, TA = 25°C, CL = 1000pF | 7 |
| Turn-off fall time | tf | | 25 | 55 | ns | Figure 2; VCC = 15V, TA = 25°C, CL = 1000pF | 7 |
| Output high short circuit pulsed current (IRS4427) | IO+ | | 2.3 | | A | VO = 0V, VIN = 5V (IRS4427) | 6 |
| Output low short circuit pulsed current (IRS4427) | IO- | | 3.3 | | A | VO = 15V, VIN = COM (IRS4427) | 6 |
## CAD (KiCad official)
- Symbol: `IRS4427STRPBF`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files: `irs4427strpbf-etched.step` / `irs4427strpbf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `irs4427strpbf.step` / `irs4427strpbf.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Infineon Technologies datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588879965169324032) (17 pp, sha256 `87504d2f18c9027c`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).
[Datasheet PDF](docs/irs4427strpbf-datasheet.pdf)