Si828x 隔离栅极驱动器

Si828x isolated gate drivers are ideal for driving IGBTs and Silicon Carbide (SiC) devices used in a wide variety of inverter and motor control applications. Si828x devices are isolated, high current gate drivers with integrated system safety and feedback functions. Based on our proprietary silicon isolation technology, the drivers support up to 5.0 kV RMS and withstand voltage per UL1577, enabling higher-performance, reduced variation with temperature and age, tighter part-to-part matching, and superior common-mode rejection compared to other isolated gate driver technologies.

The input side is a complementary digital input and can be utilized in several configurations.The input side of the isolation has several control and feedback digital signals. 该设备的控制器接收驱动器侧功耗状态和故障状态的相关信息,通过低电平复位引脚使设备从故障中恢复。On the output side, Si828x provides separate pull-up and pull-down pins for the gate, and a dedicated DSAT pin quickly detects the desaturation condition and immediately shuts down the driver in a controlled manner. To facilitate a strong turn-off of the power switch, a Miller clamp is integrated. Orderable Si828x options make many additional useful features available. The Si8281/82/83/84 adds an integrated, isolated dc-dc controller, providing a simple method for the isolated power rail necessary for the isolated driver and significantly simplifing layout. Si8286 devices are packaged in a configuration common to many optocoupler-based IGBT drivers.

Desaturation detection
2.7 μs response
Miller Clamp
1Ω impedance

一般规格

  • 4 A IGBT 驱动器
  • 系统安全功能
    • DESAT 检测
    • 故障反馈
    • 欠压锁定 (UVLO)
    • 在故障状态下软关机
  • Silicon Labs 的高性能隔离技术
    • 行业领先的抗干扰性
    • 高速、低延迟和偏移
    • 提供最高可靠性
  • 30 V 驱动器端供电电压
  • 集成式米勒钳位
  • 电源就绪引脚
  • 免费驱动器控制输入
  • 集成直流对直流转换器
    • 完全集成、二次感应、反馈控制的转换器,带有低 EMI 抖动
    • 83% 的直流对直流转换器效率
    • 直流对直流关闭、可编程频率控制和软启动
  • 紧凑封装:16 引脚、20 引脚和 24 引脚宽体 SOIC
  • 工业温度范围:-40 到 125 °C
Find the Right Si828x Device 选择列
选择列
零件号 隔离电压 (kVrms) UVLO 电压 (V) 封装类型 峰值输出电流 (A) AEC-Q100 输入类型 最大传播延迟 (ns) 驱动器供电最小电压 (V) 输入电源 (V) 重叠保护和停滞时间控制 温度范围 (ºC) 10 Kv 浪涌
3.75 9 WB SOIC20 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
5 9 WB SOIC20 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
3.75 12 WB SOIC20 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
5 12 WB SOIC20 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
3.75 9 WB SOIC20 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
5 9 WB SOIC20 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
3.75 12 WB SOIC20 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
5 12 WB SOIC20 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
3.75 9 WB SOIC24 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
5 9 WB SOIC24 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
3.75 12 WB SOIC24 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
5 12 WB SOIC24 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
3.75 9 WB SOIC24 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
5 9 WB SOIC24 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
3.75 12 WB SOIC24 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
5 12 WB SOIC24 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
3.75 12 WB SOIC16 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
5 9 WB SOIC16 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
3.75 12 WB SOIC16 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
5 12 WB SOIC16 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
3.75 9 WB SOIC16 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
5 9 WB SOIC16 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
3.75 12 WB SOIC16 4 PWM 65 9.5 5.5 2.5 5.5 -40 125
5 12 WB SOIC16 4 PWM 65 9.5 5.5 2.5 5.5 -40 125

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