Reference Designs

To accelerate your development, Vishay provides reference designs, highly reliable solutions that leverage the best of our component technology.

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Voltage


Results displayed below are indexed from the Reference Design area of the site.

15 Results

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Active Discharge Circuit for 400 V Systems

Our Active Discharge Circuit reference designs provide reliable solutions for discharging stored energy in 400 V and 800 V capacitors. Ideal for automotive applications, they ensure system voltage reaches safe levels within required timeframes set by legal and manufacturer standards.

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Active Discharge Circuit for 800 V Systems

Our Active Discharge Circuit reference designs provide reliable solutions for discharging stored energy in 400 V and 800 V capacitors. Ideal for automotive applications, they ensure system voltage reaches safe levels within required timeframes set by legal and manufacturer standards.

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1 kW DC/DC Converter 48 V DC to 12 V DC

This 1 kW, 48 V/12 V DC-DC converter uses a two-phase, interleaved buck-boost topology. The design protects the input and output, automatically switches between buck and boost modes, and operates at a switching frequency of 185 kHz, resulting in a compact form factor.

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Scalable 3 kW, 48 V / 12 V Bidirectional DC/DC Converter

This study of a 3 kW, bidirectional 48 V / 12 V buck/boost converter consists of six 500 W modules that are operated in interleaved mode. In addition to the core buck/boost stage reverse polarity and input/output protection, current sensing, and innovative inductors are demonstrated.

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Analog eFuse with PreCharge Bidirectional, 750 V, 2 mΩ SiC JFET Cascode

This design features SiC MOSFETs and a VOA300 optocoupler. It can handle continuous power up to 40 kW, operate continuously at full power with less than 30 W of losses, and do so without active cooling. It also features a preload function, continuous current monitoring, and overcurrent protection with shutdown in less than 2.5 μs.

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Analog eFuse with PreCharge Bidirectional, 80 V, 0.6 mΩ Si MOSFET

Featuring TrenchFET® MOSFETs, this eFuse has been designed to handle a continuous current up to 100 A in 48V systems and operate continuously at maximum current with less than 14 W of losses, allowing for passive cooling. The eFuse is controlled by analog circuitry for precharge and overcurrent detection.

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eFuse PowerStage with Pre-Charge Unidirectional, 1200 V, 10 mΩ SiC MOSFET

This eFuse PowerStage evaluation board is equipped with 1200 V, 10 mΩ total SiC MOSFETs to break unidirectional currents, as well as a pre-charge switch and resistor. A connector is provided for the user to easily attach custom controller designs, offering control (gates) and measurement signals (voltage and current).

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eFuse PowerStage with Pre-Charge bidir, 1200 V, 20 mΩ SiC MOSFET

This eFuse PowerStage evaluation board is equipped with 1200 V, 20 mΩ total SiC MOSFETs to break bidirectional currents, as well as a pre-charge switch and resistor. A connector is provided for the user to easily attach custom controller designs, offering control (gates) and measurement signals (voltage and current).

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High Voltage Intelligent Battery Shunt Sensor with CAN-FD Interface

The HV-IBSS-CANFD is a reference design that demonstrates an isolated current and voltage measurement unit connected via CAN-FD. The design illustrates the effectiveness of our low TCR battery shunt technology and high-precision, low-tracing-error voltage divider in minimizing measurement variations over temperature.

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High Voltage Intelligent Battery Shunt Sensor with USB Interface

The HV-IBSS-USB is a reference design that demonstrates an isolated current and voltage measurement unit connected via USB-C. The design illustrates the effectiveness of our low TCR battery shunt technology and high-precision, low-tracing-error voltage divider in minimizing measurement variations over temperature.

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Isolated Busbar / SMD Current Sensor with Analog Output

Utilizing WSBE and WSL low TCR shunt resistors, in addition to the VIA0050DD isolation amplifier, this design provides AC current measurement up to 1415 A for high voltage applications.

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Isolated AC Voltage Sensor with Analog Output

This design uses an integrated voltage divider with the VIA0250DD reinforced isolation amplifier to provide an isolated DC voltage measurement. This setup is useful when microcontrollers (MCUs) in the low-voltage domain require an analog-to-digital converter (ADC) to detect DC voltage in the high-voltage domain.

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Isolated DC Voltage Sensor with Analog Output

This design uses an integrated voltage divider alongside the VIA2000SD reinforced isolation amplifier to provide isolated DC voltage measurement. This is useful when microcontrollers (MCUs) in the low-voltage domain need to use an analog-to-digital converter (ADC) to sense DC voltage in the high-voltage domain.

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Active Backup Solution for 3.3 V systems

This circuit can provide backup power for a 3.3 V system. It does this by charging and discharging electric double-layer capacitors (EDLCs) at a rate of up to 2.5 A. Energy moves from the bus to the capacitor during normal operation and is used to keep the bus at 3V during power supply dropouts.

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Single Stage, Single Phase 480 µH EMI Filter

This is a single-phase, single-stage filter evaluation board based on the 480 nH ICMS2321 common mode choke. The board utilizes THT X and Y capacitors that can be readily replaced, enabling precise customization of the filter characteristics to suit the specific requirements of each application.