IRS2181STRPBF vs IRS4427STRPBF Comparison
Detailed side-by-side comparison of IRS2181STRPBF by Infineon and IRS4427STRPBF by Infineon. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | IRS2181STRPBF | IRS4427STRPBF |
|---|---|---|
| Brand | Infineon | Infineon |
| Category | Power MOSFET Drivers | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.62 | $1.05 |
| Function | Half-Bridge Gate Driver | β |
| Configuration | High-side and low-side referenced, non-inverting | Low-Side |
| Number of Outputs | 2 (HO, LO) | β |
| Offset Voltage (max) | 600 V | β |
| VCC Supply Voltage | 10 V to 20 V | β |
| VBS Bootstrap Supply Voltage | 10 V to 20 V (referenced to VS) | β |
| Output Source Current (typ) | 1.9 A | β |
| Output Sink Current (typ) | 2.3 A | β |
| Rise / Fall Time (typ) | [DATA_NEEDED: typical rise/fall time with 1000 pF load] | β |
| Propagation Delay (typ) | [DATA_NEEDED: t_on / t_off matching] | β |
| Logic Input Compatibility | 3.3 V and 5 V logic | β |
| Under-Voltage Lockout (UVLO) | Present on VCC and VBS | β |
| Shutdown Pin (SD) | Yes, active-low compatible input stage | β |
| Operating Temperature Range | -40 C to +125 C (junction) | β |
| Package | 8-pin SOIC (SO-8, 0.154" / 3.90 mm body width) | 8-SOIC (DSO-8), 0.154" / 3.90 mm width |
| Mounting Type | Surface Mount | Surface Mount |
| Lead Finish | Pb-free (PBF suffix) | β |
| MSL Level | MSL 2 / 3 (per JEDEC J-STD-020, [DATA_NEEDED: exact MSL floor-life]) | β |
| RoHS Compliance | Compliant (Pb-free) | β |
| Number of Drivers | β | 2 (dual) |
| Gate Drive Supply Voltage | β | 6 V to 20 V |
| Logic Supply Voltage | β | 3.3 V and 5 V compatible |
| Peak Source Current | β | 2.3 A |
| Peak Sink Current | β | 3.3 A |
| Propagation Delay | β | 50 ns (typical) |
| Input Type | β | CMOS Schmitt-triggered, non-inverting |
| Output Polarity | β | In phase with input |
| Operating Temperature | β | -40 C to +125 C |
| Lead-Free / RoHS | β | Yes (PBF suffix indicates lead-free) |
| Packaging | β | Tape & Reel (TR) |
| UVLO Protection | β | Under-voltage lockout present |
| Maximum Junction Temperature | β | +150 C |