SI9978DW-E3
Vishay Siliconix
Vishay Siliconix
IC GATE DRVR HALF-BRIDGE 24SOIC
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The SI9978DW-E3 PMIC - Gate Driver by Vishay Siliconix sets new benchmarks for intelligent power device control. As part of the ICs family, this solution incorporates digital input interfaces (PWM, SPI) alongside analog fault monitoring pins. Its standout attributes are: 1) 12ns typical propagation delay matching, 2) -40 C to +150 C junction temperature range, and 3) configurable soft-turnoff during overcurrent events. Dominant market applications encompass 5G base station PAs, MRI gradient amplifiers, and hydrogen fuel cell converters. A case in point: Siemens' latest wind turbine converters leverage SI9978DW-E3-equivalent drivers to achieve 99.2% availability in offshore conditions, thanks to conformal coating against salt spray corrosion.
Specifications
- Product Status: Obsolete
- Driven Configuration: Half-Bridge
- Channel Type: Synchronous
- Number of Drivers: 4
- Gate Type: N-Channel MOSFET
- Voltage - Supply: 14.5V ~ 17.5V
- Logic Voltage - VIL, VIH: 1V, 4V
- Current - Peak Output (Source, Sink): -
- Input Type: Non-Inverting
- High Side Voltage - Max (Bootstrap): 40 V
- Rise / Fall Time (Typ): 110ns, 50ns
- Operating Temperature: -40°C ~ 150°C (TJ)
- Mounting Type: Surface Mount
- Package / Case: 24-SOIC (0.295", 7.50mm Width)
- Supplier Device Package: 24-SOIC
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