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SI7661 (2)
The SI7661 is available from Analog Devices at Xecor. Designed for ratiometric voltage conversion, the SI7661 offers efficient charge pump functionality with fixed output configurations of -Vin or 2Vin, delivering up to 20mA output current. Available in an 8-SOIC package, it is ideal for applications requiring compact, reliable voltage conversion in industries such as consumer electronics, industrial automation, and telecommunications. Whether used in portable devices, power management systems, or signal conditioning circuits, this series ensures high performance, low power consumption, and flexibility for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the SI7661 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| SI7661ESA+T | Switching Voltage Regulators CMOS, Voltage Converters | SOIC-Narrow-8 | 6,945 | |
| SI7661CSA+T | Advanced charge pump technology enabling efficient power conversion and regulation in diverse applications | SOIC-Narrow-8 | 3,469 |
Key Featrues
Ratiometric Functionality: The ratiometric function ensures that the output voltage scales proportionally with the input voltage, making it ideal for applications requiring precise voltage conversion. This feature enhances performance in systems where input voltage fluctuations are common, ensuring consistent output levels.
Charge Pump Topology: The charge pump topology allows for efficient voltage conversion without the need for inductors, reducing the overall size and cost of the design. This makes it suitable for compact and portable devices where space and weight are critical factors.
Wide Input Voltage Range (4.5V to 20V): The device supports a broad input voltage range, enabling its use in diverse applications, from low-power electronics to industrial systems. This versatility enhances its adaptability across various use cases.
Fixed Output Voltage Options (-Vin, 2Vin): The fixed output voltage options simplify design by eliminating the need for external voltage regulation components. This improves efficiency and reduces the complexity of the circuit, making it easier to integrate into existing systems.
Low Output Current (20mA): With a maximum output current of 20mA, this device is optimized for low-power applications, such as sensor interfaces or small-scale embedded systems. This feature ensures energy efficiency and minimizes heat generation, extending the lifespan of the device.
Charge Pump Topology: The charge pump topology allows for efficient voltage conversion without the need for inductors, reducing the overall size and cost of the design. This makes it suitable for compact and portable devices where space and weight are critical factors.
Wide Input Voltage Range (4.5V to 20V): The device supports a broad input voltage range, enabling its use in diverse applications, from low-power electronics to industrial systems. This versatility enhances its adaptability across various use cases.
Fixed Output Voltage Options (-Vin, 2Vin): The fixed output voltage options simplify design by eliminating the need for external voltage regulation components. This improves efficiency and reduces the complexity of the circuit, making it easier to integrate into existing systems.
Low Output Current (20mA): With a maximum output current of 20mA, this device is optimized for low-power applications, such as sensor interfaces or small-scale embedded systems. This feature ensures energy efficiency and minimizes heat generation, extending the lifespan of the device.
Applications
Portable Voltage Converter: The SI7661 is ideal for portable devices requiring efficient voltage conversion, such as handheld medical devices or portable instrumentation. Its charge pump topology and ability to generate positive or negative fixed outputs from a single input voltage make it suitable for compact, battery-powered applications where space and power efficiency are critical.
Sensor Interface Power Supply: The SI7661 can be used to power sensor interfaces in industrial or automotive environments. Its ability to generate -Vin or 2Vin from a single input voltage ensures compatibility with a wide range of sensors, such as pressure sensors or accelerometers, while maintaining a compact footprint and low power consumption.
LCD Bias Generator: The SI7661 is well-suited for generating bias voltages in LCD displays. Its fixed output voltage options (-Vin or 2Vin) and low current output (20mA) make it ideal for driving small to medium-sized LCD panels in consumer electronics, such as smartwatches or portable displays.
Signal Conditioning Circuitry: The SI7661 can be used in signal conditioning circuits for analog sensors, such as temperature or light sensors. Its ratiometric function and charge pump topology ensure stable and accurate voltage conversion, making it suitable for precision measurement systems in scientific or industrial applications.
Sensor Interface Power Supply: The SI7661 can be used to power sensor interfaces in industrial or automotive environments. Its ability to generate -Vin or 2Vin from a single input voltage ensures compatibility with a wide range of sensors, such as pressure sensors or accelerometers, while maintaining a compact footprint and low power consumption.
LCD Bias Generator: The SI7661 is well-suited for generating bias voltages in LCD displays. Its fixed output voltage options (-Vin or 2Vin) and low current output (20mA) make it ideal for driving small to medium-sized LCD panels in consumer electronics, such as smartwatches or portable displays.
Signal Conditioning Circuitry: The SI7661 can be used in signal conditioning circuits for analog sensors, such as temperature or light sensors. Its ratiometric function and charge pump topology ensure stable and accurate voltage conversion, making it suitable for precision measurement systems in scientific or industrial applications.