Key Selection Information
| Selection Parameter | Confirmed Information |
|---|---|
| Function | High-side and low-side half-bridge gate driver |
| Voltage class | 600 V floating high-side operation |
| Source current typical | 0.21 A |
| Sink current typical | 0.36 A |
| Gate-drive supply | 10 V to 20 V |
| Logic compatibility | 3.3 V, 5 V and 15 V |
| Package | SOIC 8N |
| Product status | Active |
Product Overview
The IR2103STRPBF is the exact tape-and-reel OPN for Infineon’s EiceDRIVER IR2103S 600 V half-bridge gate-driver IC. It provides a floating high-side channel and a low-side channel for driving external MOSFETs or IGBTs from logic-level control signals.
The driver uses typical 0.21 A source and 0.36 A sink current and includes undervoltage lockout, cross-conduction prevention and internally set dead time. Its logic inputs are compatible with 3.3 V, 5 V and 15 V systems, while the gate-drive supply operates from 10 V to 20 V.
Technical Specifications
| Parameter | Confirmed Information |
|---|---|
| Channels | High side + low side |
| High-side voltage class | 600 V |
| Source current | 0.21 A typical |
| Sink current | 0.36 A typical |
| Gate-drive supply | 10 V to 20 V |
| Input logic compatibility | 3.3 V, 5 V, 15 V |
| High-side supply | Bootstrap / floating channel |
| UVLO | Integrated |
| Cross-conduction prevention | Integrated |
| Dead time | Internally set |
| Package | SOIC 8N |
| Packing | 2500 tape and reel |
| Product status | Active |
Design Considerations
The modest output-current capability is suitable for many discrete half bridges, but gate charge and target switching time must be checked explicitly. A large MOSFET or IGBT can require more peak drive current than the IR2103 can provide without slowing transitions and increasing switching loss.
Bootstrap operation also imposes duty-cycle and refresh constraints on the high-side supply. Verify that the switching pattern gives the bootstrap capacitor enough recharge time and that the selected capacitor maintains high-side gate voltage through the longest on interval.
Related Engineering Resources
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