ADUM4136BRWZ-RL7 - 4A Isolated IGBT Gate Driver | Analog Devices
MPN: ADUM4136BRWZ-RL7 ✓ Hoạt độngADUM4136BRWZ-RL7 Tóm tắt
A gate driver is an electronic circuit that amplifies the control signal from a controller to the gate of a power transistor, such as an IGBT or MOSFET, ensuring fast and efficient switching. In high-power systems, the controller and the power stage often operate at different ground potentials, requiring galvanic isolation to protect the low-voltage control circuitry and to prevent noise coupling. Isolated gate drivers like the ADUM4136 integrate isolation and drive functions into a single package, simplifying design and improving reliability.
Key features of the ADUM4136 include a 4 A peak drive output, 5000 Vrms isolation voltage, and a wide secondary supply range up to 35 V. The device also features a desaturation protection input for IGBT short-circuit detection, a Miller clamp output to prevent false turn-on, and an under-voltage lockout (UVLO) on both the primary and secondary sides. These features enhance system robustness and reduce external component count.
The ADUM4136 uses Analog Devices' iCoupler technology, which employs chip-scale transformers for isolation, providing superior performance compared to optocouplers in terms of speed, reliability, and temperature stability. The device supports switching frequencies up to 1 MHz, making it suitable for high-frequency power converters. Its propagation delay is typically 100 ns, ensuring precise timing in critical applications.
Typical applications include motor drives, solar inverters, uninterruptible power supplies (UPS), and industrial power supplies. The ADUM4136 is also used in electric vehicle (EV) traction inverters and charging systems, where high isolation and robust drive capability are essential. Its ability to provide negative gate drive helps ensure reliable turn-off of IGBTs in noisy environments.
When designing with the ADUM4136, it is important to provide adequate decoupling on both the primary and secondary supplies and to follow the recommended layout guidelines to minimize parasitic inductance. The desaturation protection input should be configured with appropriate blanking time to avoid false triggering during normal switching transients.
Bộ thay thế dễ dàng lắp đặt cho ADUM4136BRWZ-RL7 — 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 ADUM4136BRWZ-RL7 (cùng hình factor và footprint) — khác nhau ở Package, Number of Channels, Isolation Voltage, Propagation Delay, Technology.
ADUM4136BRWZ
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADUM4135BRWZ
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ADUM4138BRWZ
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ADUM3223ARWZ
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADUM3224ARWZ
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →UCC21520DW
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
ISO5852SDW
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
SI8261BBD-C-IS
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
ADUM4136BRWZ-RL7 Tỷ lệ tối đa & tính chất điện
| Technology | Magnetic Coupling (iCoupler) |
| Number of Channels | 1 |
| Peak Output Current | 4 A |
| Isolation Voltage | 5000 Vrms |
| Secondary Supply Voltage | Up to 35 V |
| Propagation Delay | 100 ns (typical) |
| Maximum Switching Frequency | 1 MHz |
| Hộp | 16-SOIC |
| Khoảng nhiệt độ hoạt động | -40°C to +125°C |
| Desaturation Protection | Yes |
| Miller Clamp | Yes |
| Under-Voltage Lockout (UVLO) | Yes (primary and secondary) |
| Trạng thái RoHS | Compliant |
| Kiểu lắp đặt | Surface Mount |
Cấu hình chân ADUM4136BRWZ-RL7
| Chân 1 | VDD1 — Primary supply voltage |
| Chân 2 | GND1 — Primary ground |
| Chân 3 | IN — Input signal |
| Chân 4 | DISABLE — Disable input |
| Chân 5 | NC — No connect |
| Chân 6 | NC — No connect |
| Chân 7 | NC — No connect |
| Chân 8 | NC — No connect |
| Chân 9 | VDD2 — Secondary supply voltage |
| Chân 10 | VOUT — Gate drive output |
| Chân 11 | VCLAMP — Miller clamp output |
| Chân 12 | DESAT — Desaturation detection input |
| Chân 13 | NC — No connect |
| Chân 14 | NC — No connect |
| Chân 15 | GND2 — Secondary ground |
| Chân 16 | GND2 — Secondary ground |
Ứng dụng tiêu biểu
ADUM4136BRWZ-RL7 phù hợp cho 6 Áp dụngs: Motor Drives, Solar Inverters, Uninterruptible Power Supplies (UPS), Electric Vehicle (EV) Traction Inverters, Industrial Power Supplies, Welding Equipment.
Motor Drives
The ADUM4136BRWZ-RL7 is ideal for motor drives in industrial automation and electric vehicles. Its 4 A peak output current ensures fast switching of IGBTs, reducing switching losses and improving efficiency. The 5000 Vrms isolation protects low-voltage control circuitry from high-voltage transients. With a secondary supply up to 35 V, it can drive IGBTs in the motor inverter stage. The desaturation protection feature detects short circuits and prevents damage, enhancing system reliability. The wide operating temperature range of -40°C to +125°C suits harsh industrial environments.
Được đề xuất
Solar Inverters
In solar inverters, the ADUM4136BRWZ-RL7 drives IGBTs in the DC-AC conversion stage. Its high isolation voltage of 5000 Vrms ensures safe operation in high-voltage systems. The 4 A peak output current enables efficient switching at high frequencies, improving inverter efficiency. The Miller clamp feature prevents false turn-on due to dv/dt, which is critical in half-bridge topologies. The device's UVLO ensures proper operation during power-up and brownout conditions. Its compact 16-SOIC package saves board space in space-constrained inverter designs.
Được đề xuất
Uninterruptible Power Supplies (UPS)
The ADUM4136BRWZ-RL7 is well-suited for UPS systems, where reliable IGBT driving is essential for maintaining power quality. Its 4 A peak output current ensures fast switching, reducing distortion in the output waveform. The 5000 Vrms isolation provides safety isolation between the battery and the mains. The desaturation protection helps prevent IGBT failure during overload conditions. The device's wide supply voltage range allows flexible design with various auxiliary supplies. Its high switching frequency capability supports compact transformer designs.
Được đề xuất
Electric Vehicle (EV) Traction Inverters
The ADUM4136BRWZ-RL7 is optimized for EV traction inverters, where high isolation and robust drive capability are critical. Its 4 A peak output current drives IGBTs in the inverter bridge, enabling efficient motor control. The 5000 Vrms isolation meets automotive safety requirements. The device supports negative gate drive, which is essential for reliable turn-off in noisy environments. Its wide operating temperature range of -40°C to +125°C suits automotive under-hood conditions. The desaturation protection enhances system safety by detecting IGBT faults.
Được đề xuất
Industrial Power Supplies
The ADUM4136BRWZ-RL7 is used in industrial power supplies to drive IGBTs in switch-mode power stages. Its 4 A peak output current enables efficient switching at high frequencies, reducing transformer size. The 5000 Vrms isolation provides safety isolation between primary and secondary circuits. The device's UVLO ensures reliable startup and shutdown. The Miller clamp prevents false turn-on, improving system reliability. Its compact package and low propagation delay make it suitable for high-density power supply designs.
Được đề xuất
Welding Equipment
The ADUM4136BRWZ-RL7 is suitable for welding equipment, where high-current IGBTs are switched at moderate frequencies. Its 4 A peak output current ensures fast switching, reducing power losses. The 5000 Vrms isolation protects the control circuitry from high-voltage transients. The desaturation protection is crucial for detecting short circuits in the welding torch. The device's wide supply voltage range allows operation from various auxiliary supplies. Its robust design withstands the harsh electrical environment of welding applications.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ADUM4136BRWZ-RL7 — 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 | ADUM4136BRWZ | ADUM4135BRWZ | ADUM4138BRWZ | UCC21520DW |
|---|---|---|---|---|---|
| Package | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Number of Channels | 1 | 1 | 1 | 1 | 2 |
| Peak Output Current | 4 A | 4 A | 2 A | 6 A | 4 A |
| Isolation Voltage | 5000 Vrms | 5000 Vrms | 5000 Vrms | 5000 Vrms | 5700 Vrms |
| Secondary Supply Voltage | Up to 35 V | Up to 35 V | Up to 35 V | Up to 35 V | Up to 25 V |
| Propagation Delay | 100 ns | 100 ns | 100 ns | 100 ns | 30 ns |
| Desaturation Protection | Yes | Yes | Yes | Yes | No |
Bảo phân biệt quan trọng
- Higher peak output current than ADUM4135BRWZ (vsADUM4135BRWZ)
- Desaturation protection not available on UCC21520DW (vsUCC21520DW)
- Higher secondary supply voltage than UCC21520DW (vsUCC21520DW)
Ghi chú thiết kế
Ensure adequate decoupling on both VDD1 and VDD2 supplies. Place a 0.1 uF ceramic capacitor as close as possible to each supply pin, and a 10 uF electrolytic capacitor for bulk energy storage. The secondary supply should be able to provide the peak gate charge current without significant voltage droop.
Minimize the loop area between the gate driver output and the IGBT gate-emitter to reduce parasitic inductance. Use a dedicated ground plane for the secondary side and keep the DESAT sense trace short and shielded to avoid false triggering. Follow the layout guidelines in the ADuM4136 datasheet for optimal performance.
Do not exceed the absolute maximum ratings for VDD2 (35 V) and ensure the DESAT blanking time is set correctly to avoid false desaturation detection during normal switching. The Miller clamp should be connected to the IGBT gate to prevent dv/dt-induced turn-on. Verify that the input signal levels are compatible with the primary side logic thresholds.
Thông tin tuân thủ
RoHS compliant per Analog Devices product page. AEC-Q100 qualification not specified for this part.
