ADUM4135BRWZ-RL7 - Isolated IGBT Gate Driver | Analog Devices
料号： ADUM4135BRWZ-RL7 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.85 | $4.85 |
| 10 | $4.36 | $43.60 |
| 100 | $3.88 | $388.00 |
| 500 | $3.49 | $1,745.00 |
| 1,000 | $3.1 | $3,100.00 |
ADUM4135BRWZ-RL7 概述
An isolated gate driver is a specialized integrated circuit that provides galvanic isolation between a low-voltage control signal and a high-voltage power stage. It translates logic-level PWM signals from a microcontroller or DSP into the high-current, high-voltage drive required to switch power transistors such as IGBTs and MOSFETs. Isolation is critical in applications where the control circuitry must be protected from the high voltages and transients present in the power stage, preventing ground loops and enhancing system safety. The ADUM4135 belongs to the family of isolated gate drivers, which are essential components in motor drives, solar inverters, and industrial power supplies.
Key features of the ADUM4135 include a Miller clamp that provides robust IGBT turn-off with a single-rail supply when the gate voltage drops below 2 V (typical), ensuring reliable operation during high dv/dt events. The device also offers a wide supply voltage range, with VDD1 from 3.0 V to 5.5 V and VDD2 from 2.5 V to 18 V, accommodating various logic and gate drive levels. The propagation delay is typically 50 ns, with a maximum of 100 ns, enabling precise timing in high-frequency switching applications. The common-mode transient immunity (CMTI) is rated at 100 kV/us, providing excellent noise immunity in harsh industrial environments.
Technically, the ADUM4135 uses Analog Devices' iCoupler technology, which employs chip-scale transformers to transmit signals across the isolation barrier. This approach offers superior performance compared to optocouplers, including higher data rates, lower power consumption, and better reliability. The device includes an active Miller clamp that prevents false turn-on of the IGBT due to Miller current, a common problem in bridge circuits. The output stage is designed to source and sink 4 A peak current, ensuring fast gate charging and discharging. The device also features a desaturation protection input (DESAT) that can be used to detect overcurrent conditions and initiate a soft turn-off, protecting the IGBT from damage.
Typical applications include motor drives, solar inverters, uninterruptible power supplies (UPS), and industrial power converters. The ADUM4135 is particularly well-suited for driving IGBTs in half-bridge and full-bridge topologies, where its high CMTI and Miller clamp ensure reliable operation. The wide supply voltage range and 4 A drive capability make it compatible with a variety of IGBT modules.
When designing with the ADUM4135, it is important to provide adequate decoupling on both the input and output supplies, and to minimize the loop area of the gate drive circuit to reduce parasitic inductance. The DESAT pin should be connected to the IGBT collector through a high-voltage diode and resistor network to enable overcurrent protection. Proper PCB layout is critical to achieve the specified CMTI and to avoid false triggering.
直接替换替代料： ADUM4135BRWZ-RL7 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： ADUM4135BRWZ-RL7 （相同外形与封装尺寸） ——差异在于 Common Mode Transient Immunity (CMTI), Miller Clamp, Package, Peak Output Current, Voltage - Isolation.
快速对比工具——选择替代料号进行并排对比：
ADUM4135BRWZ
✅ 直接替换✓ 有现货
$3.04 / 个
查看数据手册 →ADUM4135BRWZ-RL
✅ 直接替换📋 参考替代料（不在目录中）
ADUM4135WBRWZ
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADUM4135BRWZ-RL7
✅ 直接替换✓ 有现货
$3.1 / 个
查看数据手册 →ADUM4135BRWZ-RL7
✅ 直接替换✓ 有现货
$3.1 / 个
查看数据手册 →ADUM4135BRWZ-RL7
✅ 直接替换✓ 有现货
$3.1 / 个
查看数据手册 →ADUM4135BRWZ-RL7
✅ 直接替换✓ 有现货
$3.1 / 个
查看数据手册 →ADUM4135BRWZ-RL7
✅ 直接替换✓ 有现货
$3.1 / 个
查看数据手册 →ADUM4135BRWZ-RL7 最大额定值与电气特性
| Technology | Magnetic Coupling (iCoupler) |
| Number of Channels | 1 |
| Voltage - Isolation | 5000 Vrms |
| Peak Output Current | 4 A |
| Input Supply Voltage (VDD1) | 3.0 V to 5.5 V |
| Output Supply Voltage (VDD2) | 2.5 V to 18 V |
| Propagation Delay (typ) | 50 ns |
| Propagation Delay (max) | 100 ns |
| Common Mode Transient Immunity (CMTI) | 100 kV/us |
| Miller Clamp | Yes (active, 2 V threshold) |
| 封装 | 16-SOIC |
| 安装类型 | Surface Mount |
| 工作温度范围 | -40°C to +125°C |
| RoHS 状态 | Compliant |
| Packaging | Tape & Reel (RL7) |
ADUM4135BRWZ-RL7 引脚配置
| 引脚 1 | VDD1 — Input supply voltage (3.0 V to 5.5 V) |
| 引脚 2 | GND1 — Input ground |
| 引脚 3 | VIN — Input signal (PWM) |
| 引脚 4 | EN — Enable input (active high) |
| 引脚 5 | NC — No connect |
| 引脚 6 | NC — No connect |
| 引脚 7 | NC — No connect |
| 引脚 8 | GND1 — Input ground |
| 引脚 9 | GND2 — Output ground |
| 引脚 10 | VDD2 — Output supply voltage (2.5 V to 18 V) |
| 引脚 11 | VOUT — Gate drive output |
| 引脚 12 | CLAMP — Miller clamp output |
| 引脚 13 | DESAT — Desaturation protection input |
| 引脚 14 | NC — No connect |
| 引脚 15 | NC — No connect |
| 引脚 16 | GND2 — Output ground |
典型应用
ADUM4135BRWZ-RL7 适用于 6 应用s: Motor Drives, Solar Inverters, Uninterruptible Power Supplies (UPS), Industrial Power Converters, Electric Vehicle (EV) Charging, Renewable Energy Systems.
Motor Drives
The ADUM4135BRWZ-RL7 is ideal for motor drives, providing isolated gate drive for IGBTs in variable frequency drives (VFDs). Its 4 A peak output current ensures fast switching, while the 100 kV/us CMTI prevents false triggering in noisy industrial environments. The Miller clamp protects against shoot-through in bridge topologies, enhancing reliability. With 5000 Vrms isolation, it safely interfaces low-voltage control to high-voltage power stages, making it a robust choice for industrial motor control.
推荐
Solar Inverters
In solar inverters, the ADUM4135BRWZ-RL7 drives IGBTs in the DC-AC conversion stage. Its high isolation voltage (5000 Vrms) ensures safe operation in high-voltage systems, while the fast propagation delay (50 ns) enables high-frequency PWM for efficient power conversion. The Miller clamp prevents false turn-on during fast switching transients, improving system reliability. The wide output supply range (2.5 V to 18 V) accommodates various IGBT gate drive requirements, making it a versatile solution for photovoltaic inverters.
推荐
Uninterruptible Power Supplies (UPS)
The ADUM4135BRWZ-RL7 is well-suited for UPS systems, where reliable gate drive is critical for maintaining power quality. Its 4 A peak output current ensures fast switching of IGBTs in the inverter stage, while the high CMTI (100 kV/us) provides immunity to transients from the AC mains. The Miller clamp enhances robustness during load transients, preventing false turn-on. The device's wide operating temperature range (-40°C to +125°C) ensures reliable operation in demanding environments, making it a dependable choice for UPS applications.
推荐
Industrial Power Converters
The ADUM4135BRWZ-RL7 is designed for industrial power converters, including DC-DC converters and power supplies. Its isolated gate drive capability allows safe control of high-voltage IGBTs, while the 4 A peak output current ensures efficient switching. The device's fast propagation delay (50 ns) minimizes dead time, improving converter efficiency. The Miller clamp and DESAT protection features enhance system reliability by preventing overcurrent damage. With 5000 Vrms isolation, it provides robust galvanic isolation for industrial applications.
推荐
Electric Vehicle (EV) Charging
In EV charging stations, the ADUM4135BRWZ-RL7 provides isolated gate drive for IGBTs in the power conversion stage. Its high isolation voltage (5000 Vrms) ensures safety in high-voltage systems, while the 4 A peak output current enables fast switching for efficient power transfer. The Miller clamp prevents false turn-on during rapid current changes, enhancing reliability. The device's wide operating temperature range and high CMTI make it suitable for outdoor and harsh environments, ensuring dependable operation in EV charging infrastructure.
推荐
Renewable Energy Systems
The ADUM4135BRWZ-RL7 is used in renewable energy systems such as wind turbines and energy storage systems. Its isolated gate drive capability ensures safe and reliable control of IGBTs in power conversion stages. The device's high CMTI (100 kV/us) provides immunity to transients from the grid, while the Miller clamp prevents false turn-on during switching events. The wide supply voltage range and 4 A peak output current make it compatible with various IGBT modules, supporting efficient and robust renewable energy conversion.
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推荐产品汇总
工程参考数据： ADUM4135BRWZ-RL7 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | ADUM4135BRWZ | ADUM4135BRWZ-RL | ADUM4135WBRWZ |
|---|---|---|---|---|
| Package | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Isolation Voltage | 5000 Vrms | 5000 Vrms | 5000 Vrms | 5000 Vrms |
| Peak Output Current | 4 A | 4 A | 4 A | 4 A |
| Propagation Delay (typ) | 50 ns | 50 ns | 50 ns | 50 ns |
| CMTI | 100 kV/us | 100 kV/us | 100 kV/us | 100 kV/us |
| Miller Clamp | Yes | Yes | Yes | Yes |
| Automotive Grade | No | No | No | Yes (AEC-Q100) |
关键差异点
- High CMTI of 100 kV/us （对比 ADUM4135BRWZ)
- Active Miller clamp （对比 ADUM4135BRWZ)
- Automotive grade option available （对比 ADUM4135WBRWZ)
设计说明
Place decoupling capacitors (0.1 uF and 10 uF) close to VDD1 and VDD2 pins to ensure stable supply voltages. Use a low-ESR ceramic capacitor for high-frequency noise bypass. The input and output grounds (GND1 and GND2) should be kept separate to maintain isolation integrity.
Minimize the loop area of the gate drive circuit (VOUT to IGBT gate and return) to reduce parasitic inductance and ringing. Keep the DESAT sense trace short and route it away from high dv/dt nodes to avoid false triggering. Use a ground plane on the output side to reduce EMI.
Ensure the DESAT pin is properly connected to the IGBT collector through a high-voltage diode and resistor network. If DESAT is not used, tie it to VDD2 through a resistor to prevent false triggering. Also, verify that the input signal (VIN) is within the specified logic levels and that the enable pin (EN) is properly driven to avoid unintended shutdown.
合规信息
RoHS compliant per Analog Devices product page. AEC-Q100 not applicable for standard grade; automotive grade available as ADUM4135WBRWZ.
