IR21271SPBF vs IR2128STRPBF Comparison
Detailed side-by-side comparison of IR21271SPBF by Infineon and IR2128STRPBF 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 | IR21271SPBF | IR2128STRPBF |
|---|---|---|
| Brand | Infineon | Infineon |
| Category | Power MOSFET Drivers | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Product Type | Single-channel high-side gate driver with current sensing | — |
| Technology | HVIC and latch-immune CMOS | — |
| Maximum Floating Supply Voltage | 600 V | — |
| Output Source Current | 0.25 A | — |
| Output Sink Current | 0.5 A | — |
| Gate Drive Voltage Range | 9 V to 20 V (per related IR2127 datasheet family) | — |
| Configuration | High-side, low-side capable (floating channel) | High-Side, Low-Side Gate Driver |
| Input Logic Compatibility | 3.3 V CMOS / LSTTL | — |
| Input Type | Non-inverting | — |
| Negative Transient Tolerance (dV/dt) | Tolerant | — |
| Bootstrap Operation | Supported (floating channel) | — |
| Integrated Current Sensing | Yes | — |
| Package | 8-SOIC | 8-SOIC (0.154", 3.90 mm width) |
| Lead Finish | Lead-free (PbF) | — |
| Operating Temperature Range | -40C to +125C (industrial) | -40C to +125C |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | — |
| Number of Channels | 1 | — |
| Input Polarity | — | Inverting |
| Number of Drivers | — | 1 |
| Maximum Offset Voltage (Voffset) | — | 600 V |
| Gate Drive Supply Voltage (VCC) | — | 12 V to 20 V |
| Source Current (typ.) | — | 0.25 A |
| Sink Current (typ.) | — | 0.5 A |
| Propagation Delay (typ.) | — | 200 ns |
| Logic Input Compatibility | — | 3.3 V / 5 V CMOS, LSTTL |
| Undervoltage Lockout (UVLO) | — | Yes |
| Over-Current Protection | — | Yes (current-sense comparator, fault output) |
| dv/dt Immunity | — | Yes |
| Negative VS Transient Tolerance | — | Yes |
| MSL Level | — | 2 |
| Lead-Free / RoHS | — | Yes (PBF suffix indicates Pb-free) |
| Fault Output | — | Open-drain, active-low |
| Bootstrap Pin | — | VB (with respect to VS) |