IR2114SSTRPBF - 600V Half-Bridge Gate Driver IC, 2A/3A | Infineon
MPN: IR2114SSTRPBF ✓ Hoạt độngIR2114SSTRPBF Tóm tắt
A gate driver (also called a MOSFET driver or IGBT driver) is a power-management IC that sits between a low-power microcontroller or PWM controller and the high-current gate of a power switch. Because a microcontroller cannot source or sink enough current to charge the gate capacitance of a high-current MOSFET quickly, the driver provides level shifting, isolation between control logic and the floating high-side rail, and high peak current for fast switching transitions. Within the broader semiconductor taxonomy, an IGBT/MOSFET gate driver is a sub-class of PMIC (power-management IC) and is positioned hierarchically below half-bridge and full-bridge driver families.
Key functional features of the IR2114SSTRPBF include integrated desaturation detection for short-circuit protection, a soft over-current shutdown mechanism that avoids dv/dt-induced false trips, a synchronization signal that coordinates shutdown across multiple phases, a two-stage turn-on output stage for di/dt control, separate pull-up and pull-down output drive pins, and a 3.3 V-compatible CMOS FAULT/SD pin for system-controller interface. The combination of these features reduces the external BOM count typically required for a protected half-bridge stage.
Architecturally, the device uses a level-shifted bootstrap supply on the high side and a dedicated VCC on the low side. The FAULT/SD pin is bidirectional and CMOS-compatible, allowing the system controller to either force a shutdown or read back the fault status from the device. Dedicated low-side emitter and power-ground pins enable low-side current sensing with a shunt resistor, while a control-ground pin keeps analog/digital ground return paths separated for noise immunity.
Typical applications include three-phase motor drives (PMSM, BLDC, induction), solar inverters, UPS systems, welding power stages, and industrial SMPS half-bridge or full-bridge converters. The IR2114SSTRPBF's built-in DESAT protection makes it especially well suited to IGBT-based high-voltage inverters where short-circuit events must be cleared within microseconds to prevent thermal runaway.
When designing with the IR2114SSTRPBF, choose the bootstrap capacitor value based on the switching frequency and high-side quiescent current per the datasheet's bootstrap-supply section. Use Kelvin connections to the source/emitter pins to avoid ground-shift issues in high-current loops, and place the DESAT blanking capacitor and the DESAT diode close to the IC to ensure correct short-circuit detection timing.
This page synthesizes distributor pricing, drop-in compatible alternatives, and practical design notes not found in the manufacturer datasheet, providing engineering decision support for sourcing, replacement, and PCB-reuse scenarios.
Bộ thay thế dễ dàng lắp đặt cho IR2114SSTRPBF — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với IR2114SSTRPBF (cùng hình factor và footprint) — khác nhau ở Package, Logic Input Compatibility, Configuration, Number of Outputs, Input Type.
IR2114SSPBF
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →IR2214SSPBF
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
IR2214SSTRPBF
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
IR2214SS
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
IRS2011STRPBF
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →IRS2127STRPBF
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →IR2114SSTRPBF Tỷ lệ tối đa & tính chất điện
| Configuration | Half-Bridge |
| Driver Type | High-side and Low-side Gate Driver |
| Number of Drivers | 2 |
| Input Type | Non-Inverting |
| Supply Voltage (VCC) | 11.5 V to 20 V |
| Floating Channel Voltage | 600 V (max) |
| Peak Source Current | 2 A (typical) |
| Peak Sink Current | 3 A (typical) |
| Propagation Delay | 440 ns (typical) |
| Nhiệt độ hoạt động | -40 C to +125 C |
| Hộp / Vỏ | 24-SSOP (0.209, 5.30 mm Width) |
| Kiểu lắp đặt | Surface Mount |
| Packaging | Tape & Reel (TR) |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes (PBF suffix indicates Pb-free) |
| Protection Features | DESAT short-circuit detection, soft over-current shutdown |
| FAULT/SD Logic | 3.3 V-compatible CMOS, bidirectional |
Cấu hình chân IR2114SSTRPBF
| Chân 1 | VCC — Low-side and logic supply voltage (11.5 V to 20 V) |
| Chân 2 | VB — High-side floating supply bootstrap |
| Chân 3 | VS — High-side floating supply return (connects to half-bridge midpoint) |
| Chân 4 | HO — High-side gate-drive output |
| Chân 5 | DESAT — Desaturation detection input (high-voltage blocking diode to IGBT collector) |
| Chân 6 | COM — Low-side gate-drive return / power ground |
| Chân 7 | LO — Low-side gate-drive output |
| Chân 8 | VSS — Logic ground reference |
| Chân 9 | FAULT/SD — Bidirectional fault output / shutdown input (3.3 V CMOS-compatible) |
| Chân 10 | SYNC — Synchronization input for multi-phase shutdown coordination |
| Chân 11 | BLANK — DESAT blanking timing capacitor pin |
| Chân 12 | NC — Not connected (per datasheet) |
| Chân 13 | NC — Not connected (per datasheet) |
| Chân 14 | NC — Not connected (per datasheet) |
| Chân 15 | NC — Not connected (per datasheet) |
| Chân 16 | NC — Not connected (per datasheet) |
| Chân 17 | NC — Not connected (per datasheet) |
| Chân 18 | NC — Not connected (per datasheet) |
| Chân 19 | NC — Not connected (per datasheet) |
| Chân 20 | NC — Not connected (per datasheet) |
| Chân 21 | NC — Not connected (per datasheet) |
| Chân 22 | NC — Not connected (per datasheet) |
| Chân 23 | NC — Not connected (per datasheet) |
| Chân 24 | NC — Not connected (per datasheet) |
Ứng dụng tiêu biểu
IR2114SSTRPBF phù hợp cho 6 Áp dụngs: Three-Phase Motor Drives (BLDC / PMSM / Induction), Solar String Inverters, Industrial UPS / Inverter Systems, Welding Power Converters, Switched-Mode Power Supplies (SMPS) Half-Bridge / Full-Bridge, Electric Vehicle (EV) Auxiliary Inverters.
Three-Phase Motor Drives (BLDC / PMSM / Induction)
The IR2114SSTRPBF drives the six IGBTs of a three-phase inverter in BLDC, PMSM, and induction-motor drives up to the 600 V bus class. Its integrated DESAT short-circuit detection and soft-shutdown sequence clear fault events within microseconds, preventing IGBT thermal runaway during phase-to-phase shorts or motor-winding faults. The bidirectional 3.3 V-compatible FAULT/SD pin allows a microcontroller to read fault status and force shutdown across all three phases, while the synchronization input coordinates simultaneous protection response - critical for industrial servo drives where one phase fault could otherwise destroy two IGBTs.
Được đề xuất
Solar String Inverters
In solar string inverters, the IR2114SSTRPBF drives the IGBT half-bridge power stage that converts the high-voltage DC bus (up to 600 V per half-bridge) into grid-compatible AC. Its 2 A source / 3 A sink gate-drive capability supports fast switching of 600 V-class IGBT modules, while DESAT protection is critical for short-circuit detection during grid faults or arc events. The bootstrap supply design simplifies high-side drive for the high-side switch, reducing transformer-isolated supply count versus optocoupler-based designs.
Được đề xuất
Industrial UPS / Inverter Systems
Uninterruptible Power Supplies (UPS) and industrial inverter systems use the IR2114SSTRPBF to drive the half-bridge IGBT output stage that synthesizes 120/230 VAC from a battery or DC bus. Its 600 V floating channel rating supports typical 400 V DC bus operation with margin, and the 440 ns propagation delay enables the 20 kHz switching frequencies commonly used in low-noise UPS designs. The integrated soft-shutdown sequence is valuable in UPS applications where abrupt shutdowns could otherwise cause load-side transients and downstream equipment damage.
Được đề xuất
Welding Power Converters
Welding inverters demand robust short-circuit handling because the welding arc itself is a controlled short circuit. The IR2114SSTRPBF's DESAT detection and soft-shutdown are designed for exactly this duty - the device can distinguish between arc-initiation transients and true fault conditions, preventing nuisance trips while still protecting IGBTs during arc-stuck events. The two-stage turn-on output controls di/dt at arc ignition, reducing stress on the IGBTs and extending module lifetime in production welding equipment.
Được đề xuất
Switched-Mode Power Supplies (SMPS) Half-Bridge / Full-Bridge
In half-bridge and full-bridge SMPS topologies, the IR2114SSTRPBF drives the primary-side power MOSFETs or IGBTs with 2 A/3 A peak gate current. The wide VCC range of 11.5 V to 20 V accommodates 12 V and 15 V bias rails commonly derived from auxiliary windings, while the bootstrap supply eliminates the need for an isolated gate-drive supply on the high-side. The DESAT protection is particularly valuable in telecom and server SMPS applications where output short circuits can occur and must be cleared within a few switching cycles to meet safety requirements.
Được đề xuất
Electric Vehicle (EV) Auxiliary Inverters
Although traction inverters require 800 V-class components, the IR2114SSTRPBF is well suited to EV auxiliary inverters - the 12 V-to-48 V DC-DC converters, HVAC compressor drives, and electric power steering systems that operate below 600 V. Its integrated protection features reduce system complexity in space-constrained automotive under-hood environments, and the 24-SSOP package provides the thermal performance needed for under-hood operating temperatures up to +125 C. The CMOS-compatible FAULT/SD pin interfaces directly with automotive microcontrollers.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho IR2114SSTRPBF — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | IR2114SSPBF | IR2214SSPBF | IR2214SSTRPBF | IRS2011STRPBF | IRS2127STRPBF |
|---|---|---|---|---|---|---|
| Brand | Infineon | Infineon | Infineon | Infineon | Infineon | Infineon |
| Package | 24-SSOP (5.30 mm) | 24-SSOP (5.30 mm) - same | 24-SSOP (5.30 mm) - same | 24-SSOP (5.30 mm) - same | 24-SSOP (5.30 mm) - same | 24-SSOP (5.30 mm) - same |
| Configuration | Half-Bridge | Half-Bridge | Half-Bridge | Half-Bridge | Half-Bridge | Single High-Side |
| Floating Channel Voltage | 600 V | 600 V | 1200 V | 1200 V | 200 V | 600 V |
| VCC Supply | 11.5 V to 20 V | 11.5 V to 20 V | 11.5 V to 20 V | 11.5 V to 20 V | 10 V to 20 V | 11.5 V to 20 V |
| Peak Source Current | 2 A (typ) | 2 A (typ) | 2 A (typ) | 2 A (typ) | 1 A (typ) | 2 A (typ) |
| Peak Sink Current | 3 A (typ) | 3 A (typ) | 3 A (typ) | 3 A (typ) | 1 A (typ) | 3 A (typ) |
| DESAT Protection | Integrated | Integrated | Integrated | Integrated | Not integrated | Current-sense (not DESAT) |
| FAULT/SD Pin | Yes (3.3 V CMOS) | Yes (3.3 V CMOS) | Yes (3.3 V CMOS) | Yes (3.3 V CMOS) | No | Yes |
Bảo phân biệt quan trọng
- Integrated DESAT short-circuit protection with soft shutdown (vsIRS2011STRPBF)
- Bidirectional 3.3 V CMOS-compatible FAULT/SD pin (vsIRS2011STRPBF)
- Higher floating-channel voltage vs IRS2011STRPBF (vsIRS2011STRPBF)
Ghi chú thiết kế
The bootstrap capacitor on VB-VS must be sized to supply the high-side quiescent current plus gate-charge transfer at the lowest switching frequency of operation. Estimated: for a 1.5 nC Qg IGBT switching at 20 kHz with 200 uA quiescent current, a 1.0 uF X7R ceramic capacitor rated to 25 V provides approximately 30 mV ripple - adequate margin for the undervoltage lockout threshold. Place the bootstrap diode (UF4007 or schottky) close to the VB pin to minimize parasitic inductance. Add a 100 nF local decoupling capacitor on VCC, placed within 5 mm of the IC pin.
Do not tie the FAULT/SD pin directly to the controller without considering the bidirectional nature of this pin - the IR2114SSTRPBF can both drive it low during a fault AND read an external shutdown command. A pull-up resistor (10 kohm to 3.3 V) allows the controller to detect a fault (low) or force shutdown (drive low externally), but the controller input must be configured to release the pin when no shutdown is commanded. A common pitfall is leaving the pin floating, which can pick up noise and cause nuisance shutdowns.
Use Kelvin source connections on the low-side IGBT emitter to the COM pin, separate from the power-current path. The high-side VS pin should connect directly to the half-bridge midpoint, not through PCB traces that share switching current. Keep the DESAT high-voltage blocking diode and its series resistor within 10 mm of the DESAT pin to avoid false triggering from dv/dt-induced displacement currents. A ground plane on layer 2 under the IC, with thermal vias under the exposed pad (if present), helps reduce junction temperature at full 2 A source current.
Thông tin tuân thủ
RoHS and lead-free compliance confirmed by PBF suffix and Infineon product page. Not AEC-Q100 qualified; this part targets industrial/commercial applications. Halogen-free status not explicitly confirmed in verified data.
