Microchip Technology's TC7660SCPA Charge Pump Voltage Converter

The TC7660SCPA is a versatile and reliable charge pump voltage converter produced by Microchip Technology. It is engineered to efficiently convert a positive voltage in the range of 1.5V to 10V to a corresponding negative voltage with a high conversion efficiency. This integrated circuit is particularly designed for applications requiring an easy-to-implement negative voltage generation with minimal external components.

The device comes in a compact 8-pin DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package, providing a convenient solution for space-constrained applications. The TC7660SCPA operates at a fixed frequency of 10kHz or 45kHz, selectable by the user, which allows for a balance between efficiency and the size of the external capacitors.

One of the key features of the TC7660SCPA is its ability to deliver a steady output current up to 20mA with a typical voltage conversion efficiency of 96%. This makes it suitable for powering operational amplifiers, memory devices, and other ICs within its current capacity. The low power consumption and high efficiency are particularly beneficial for battery-operated devices, where power conservation is critical.

Furthermore, the TC7660SCPA is designed with protection features such as thermal shutdown and short-circuit protection, ensuring the longevity and reliability of both the converter and the application it is used in. Its simple external circuitry - typically just two capacitors - makes it a user-friendly choice for designers looking for an easy-to-use negative voltage supply solution.

Applications for the TC7660SCPA are diverse and include portable devices, data acquisition systems, telecommunication equipment, and analog/digital conversion systems. Its operational temperature range from -40°C to +85°C also ensures that it can perform reliably across various environmental conditions.

In summary, the TC7660SCPA from Microchip Technology is a practical and efficient solution for generating a negative voltage rail in a variety of electronic applications. Its combination of ease of use, efficiency, and robustness makes it a go-to choice for engineers and designers in the industry.