STL075N4S8AG - 75V N-Channel Power MOSFET | STMicroelectronics
部品番号: STL075N4S8AG ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $1.25 | $1.25 |
| 10 | $1.12 | $11.20 |
| 100 | $0.98 | $98.00 |
| 500 | $0.85 | $425.00 |
| 1,000 | $0.75 | $750.00 |
STL075N4S8AG 概要
A Power MOSFET is a type of field-effect transistor that uses an insulated gate to control the flow of current between the drain and source terminals. It is a voltage-controlled device, meaning that the gate voltage modulates the channel conductivity, allowing for efficient switching and amplification. Power MOSFETs are widely used in power electronics, including DC-DC converters, motor drives, and battery management systems, due to their fast switching speeds, low on-resistance, and high input impedance. They are a key component in the hierarchy of power semiconductor devices, which includes power diodes, IGBTs, and thyristors.
Key features of the STL075N4S8AG include a low on-resistance (RDS(on)) of 4.5 mOhm typical at VGS=10V, which minimizes conduction losses and improves overall system efficiency. The device also offers a wide gate-source voltage range of ±20V, ensuring robust gate drive compatibility. The PowerFLAT 5x6 package provides a low thermal resistance of 1.5 C/W (junction-to-case), enabling efficient heat dissipation and reliable operation at high currents. Additionally, the MOSFET is AEC-Q101 qualified, making it suitable for automotive applications that require high reliability and performance under harsh conditions.
The STL075N4S8AG utilizes STMicroelectronics' advanced strip layout technology, which reduces parasitic inductance and improves switching performance. The device features a fast body diode with low reverse recovery charge, reducing switching losses in bridge topologies. The gate charge (Qg) is optimized to balance switching speed and drive requirements, ensuring efficient operation at high frequencies. The device also includes built-in ESD protection on the gate, enhancing robustness in manufacturing and field use.
Typical applications include DC-DC converters, motor control, power supply units, and battery management systems in automotive and industrial environments. The low on-resistance and high current capability make it ideal for synchronous rectification, where efficiency is critical. The AEC-Q101 qualification ensures reliable operation in automotive power trains, lighting, and body control modules.
When designing with this MOSFET, ensure proper gate drive voltage to fully enhance the channel and minimize on-resistance. Consider the thermal budget and provide adequate PCB copper area for heat dissipation. The PowerFLAT package requires careful soldering to ensure good thermal contact with the PCB.
ドロップイン代替品: STL075N4S8AG — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
STL075N4S8AG-TR
✅ ドロップイン📋 参考代替品（カタログ未掲載）
STL075N4S8AG-1
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
STL075N4S8AG-2
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
IRFHS8342
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
FDMS8880
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
STL075N4S8AG 最大定格＆電気的特性
| Drain-Source Voltage (VDS) | 75 V |
| Continuous Drain Current (ID) | 75 A |
| On-Resistance (RDS(on)) | 4.5 mOhm typical at VGS=10V |
| Gate-Source Voltage (VGS) | ±20 V |
| 動作温度範囲 | -55°C to +175°C |
| パッケージ | PowerFLAT 5x6 |
| 実装タイプ | Surface Mount |
| AEC-Q101 Qualified | Yes |
| RoHS Compliant | Yes |
| Technology | STripFET |
STL075N4S8AG ピン構成
| ピン 1 | G — Gate |
| ピン 2 | S — Source |
| ピン 3 | D — Drain |
| ピン 4 | D — Drain |
| ピン 5 | D — Drain |
| ピン 6 | D — Drain |
| ピン 7 | D — Drain |
| ピン 8 | D — Drain |
安全動作領域
主な用途
STL075N4S8AG の用途: 6 件s: DC-DC Converters, Motor Control, Power Supply Units, Battery Management Systems, Automotive Power Train, Industrial Automation.
DC-DC Converters
The STL075N4S8AG is ideal for DC-DC converters due to its low on-resistance (4.5 mOhm) and high current capability (75A). In a typical buck converter, the MOSFET acts as a synchronous rectifier, switching at high frequency to regulate output voltage. The low RDS(on) minimizes conduction losses, improving efficiency. The fast switching speed reduces switching losses, enabling higher operating frequencies and smaller magnetic components. The PowerFLAT 5x6 package provides excellent thermal performance, allowing the device to handle high power dissipation without excessive heating. For a 12V to 5V conversion at 20A, the power loss due to RDS(on) is only 1.8W, which is manageable with proper PCB cooling. The AEC-Q101 qualification ensures reliable operation in automotive DC-DC converters, such as those used in electric vehicles and hybrid vehicles.
おすすめ
Motor Control
In motor control applications, the STL075N4S8AG is used in the inverter stage to drive brushless DC (BLDC) motors. The high current rating (75A) and low on-resistance (4.5 mOhm) allow efficient power delivery to the motor windings. The fast body diode with low reverse recovery charge reduces switching losses in the freewheeling path, improving overall efficiency. The device's wide operating temperature range (-55°C to +175°C) ensures reliable operation in harsh environments. In a typical BLDC motor drive, the MOSFETs are arranged in a three-phase bridge, switching at PWM frequencies up to 20kHz. The low gate charge reduces the gate drive power requirement, simplifying the gate driver design. The PowerFLAT 5x6 package's low thermal resistance (1.5 °C/W) allows the device to dissipate heat effectively, even at high currents. This makes the STL075N4S8AG suitable for automotive applications such as electric power steering and engine cooling fans.
おすすめ
Power Supply Units
The STL075N4S8AG is well-suited for power supply units (PSUs) in industrial and consumer applications. Its low on-resistance and high current capability make it ideal for the primary switching element in switch-mode power supplies (SMPS). The device's fast switching speed reduces switching losses, enabling high-frequency operation and smaller transformer sizes. In a typical 500W PSU, the MOSFET switches at 100kHz, handling currents up to 30A. The low RDS(on) of 4.5 mOhm results in conduction losses of only 4W at 30A, which is acceptable with proper heatsinking. The AEC-Q101 qualification ensures reliability in automotive-grade PSUs, such as those used in electric vehicle charging systems. The PowerFLAT 5x6 package's low thermal resistance allows efficient heat dissipation, maintaining junction temperatures within safe limits. This makes the STL075N4S8AG a reliable choice for high-efficiency power supplies.
おすすめ
Battery Management Systems
In battery management systems (BMS), the STL075N4S8AG is used for cell balancing and protection circuits. The high current rating (75A) allows it to handle the high currents during charging and discharging. The low on-resistance minimizes power loss, improving the efficiency of the BMS. The device's fast switching speed enables precise control of the balancing currents. In a typical BMS for a 48V battery pack, the MOSFET is used in series with each cell to control the balancing current. The low RDS(on) of 4.5 mOhm ensures minimal voltage drop across the MOSFET, preserving the battery's energy. The AEC-Q101 qualification ensures reliable operation in automotive BMS, which is critical for safety and performance. The PowerFLAT 5x6 package's thermal performance allows the device to handle the heat generated during balancing, ensuring long-term reliability.
おすすめ
Automotive Power Train
The STL075N4S8AG is designed for automotive power train applications, such as engine control units (ECUs) and transmission control. The AEC-Q101 qualification ensures high reliability under extreme temperatures and vibration. The low on-resistance and high current capability make it suitable for driving solenoids, injectors, and other actuators. The fast switching speed allows precise control of the actuators, improving engine performance and fuel efficiency. In a typical ECU, the MOSFET is used to switch the fuel injector, which requires high current pulses. The low RDS(on) of 4.5 mOhm minimizes power loss, reducing heat generation in the ECU. The PowerFLAT 5x6 package's low thermal resistance allows efficient heat dissipation, ensuring reliable operation in the engine compartment. This makes the STL075N4S8AG an ideal choice for automotive power train systems.
おすすめ
Industrial Automation
In industrial automation, the STL075N4S8AG is used in motor drives, robotics, and power distribution. The high current rating and low on-resistance make it suitable for high-power switching applications. The device's robust design ensures reliable operation in harsh industrial environments. In a typical industrial motor drive, the MOSFET is used in the inverter stage to control the motor speed. The low RDS(on) of 4.5 mOhm minimizes conduction losses, improving the efficiency of the drive. The fast switching speed reduces switching losses, enabling higher PWM frequencies and smoother motor control. The PowerFLAT 5x6 package's thermal performance allows the device to handle the heat generated during operation, ensuring long-term reliability. The AEC-Q101 qualification, while primarily for automotive, also indicates high reliability suitable for industrial applications. This makes the STL075N4S8AG a versatile choice for industrial automation systems.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: STL075N4S8AG — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | STL075N4S8AG-TR | STL075N4S8AG-1 | STL075N4S8AG-2 | IRFHS8342 | FDMS8880 |
|---|---|---|---|---|---|---|
| Package | PowerFLAT 5x6 | PowerFLAT 5x6 | PowerFLAT 5x6 | PowerFLAT 5x6 | PowerFLAT 5x6 | PowerFLAT 5x6 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | Infineon | onsemi |
| Drain-Source Voltage (VDS) | 75 V | 75 V | 75 V | 75 V | 75 V | 75 V |
| Continuous Drain Current (ID) | 75 A | 75 A | 75 A | 75 A | 60 A | 60 A |
| On-Resistance (RDS(on)) | 4.5 mOhm | 4.5 mOhm | 4.5 mOhm | 4.5 mOhm | 5.0 mOhm | 5.5 mOhm |
| Gate-Source Voltage (VGS) | ±20 V | ±20 V | ±20 V | ±20 V | ±20 V | ±20 V |
| AEC-Q101 Qualified | Yes | Yes | Yes | Yes | Yes | Yes |
| RoHS Compliant | Yes | Yes | Yes | Yes | Yes | Yes |
主な差別化要因
- Lower on-resistance compared to cross-brand alternatives （vs IRFHS8342)
- Higher continuous drain current （vs FDMS8880)
- Same-brand variants offer identical performance （vs STL075N4S8AG-TR)
設計ノート
The STL075N4S8AG has a junction-to-case thermal resistance of 1.5 °C/W. For a power dissipation of 50W, the junction temperature rise is 75°C. Ensure adequate heatsinking or PCB copper area to keep the junction temperature below 175°C. Use thermal vias under the exposed pad to improve heat transfer to the PCB.
Place the gate driver as close to the MOSFET as possible to minimize gate loop inductance. Use a low-inductance layout for the drain and source connections to reduce voltage spikes during switching. Add a 10-ohm gate resistor to dampen ringing and reduce EMI.
Do not exceed the maximum gate-source voltage of ±20V. Ensure the gate drive voltage is sufficient to fully enhance the channel (typically 10V) to achieve the specified on-resistance. Avoid operating the device beyond the safe operating area (SOA) to prevent thermal runaway or damage.
コンプライアンス情報
AEC-Q101 qualified per STMicroelectronics product page. RoHS compliant. Other compliance data not specified in provided data.