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IRS4427STRPBF
SOIC-8 (4.9x3.9mm)
The IRS4427STRPBF from Infineon is a 600V half-bridge gate driver with 2A output current, independent high/low inputs, and UVLO in SOIC-8.
| Package | SOIC-8 (4.9×3.9mm) |
The IRS4427STRPBF from Infineon is a 600V half-bridge gate driver with 2A output current, independent high/low inputs, and UVLO in SOIC-8.
The IRS4427STRPBF is a 600V half-bridge gate driver from Infineon (formerly IR) in SOIC-8 with 2A output current capability. It drives two N-channel MOSFETs or IGBTs in a half-bridge configuration: a high-side switch (referenced to the switching node VS) and a low-side switch (referenced to COM). The high-side driver uses a bootstrap technique: an external diode and capacitor create a floating supply (VB-VS) that powers the high-side driver. When the low-side MOSFET is on, VS is near COM, and the bootstrap capacitor charges through the diode from VCC. When the high-side driver turns on, the VB rail floats above VS, and the capacitor provides power. The internal level shifter translates the INA logic signal (referenced to COM) to the high-side driver (referenced to VS). Cross-conduction prevention (dead time) must be managed externally by the PWM controller. The UVLO (under-voltage lockout) on both VCC and VB prevents gate drive when supply voltage is insufficient to fully enhance the MOSFET, preventing linear-mode operation and excessive dissipation. Propagation delay is 80ns typical.
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | INA | Input | Channel A logic input |
| 2 | INB | Input | Channel B logic input |
| 3 | VCC | Power | Logic supply (10-20V) |
| 4 | COM | Power | Common return (ground for logic side) |
| 5 | VB | Power | High-side floating supply (bootstrap cap) |
| 6 | HO | Output | High-side gate drive output |
| 7 | VS | Power | High-side floating return (switching node) |
| 8 | LO | Output | Low-side gate drive output |
| Manufacturer | Part Number | Package | Notes |
|---|---|---|---|
| Infineon | IRS4427STRPBF | SOIC-8 | Same device, Infineon label |
| Infineon | IR2110PBF | DIP-14 | Half-bridge driver, 500V, 2A |
| Texas Instruments | LM5109BSD/NOPB | SOIC-8 | Half-bridge driver, 90V, 1A |
| Silicon Labs | Si8235AB-D-IS1 | SOIC-16 | Isolated half-bridge, 4A |
| onsemi | NCP5183DR2G | SOIC-8 | Half-bridge driver, 600V, 1.8A |
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
Brand:
Package:
Cargo cycle: 3~7 Days
The minimum order is 1
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