TS432BCX RFG

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The TS432BCX RFG, or Programmable Reference Voltage Generator, is a versatile programmable reference voltage generator capable of driving a wide range of power management devices. Specifically, it is a Programmable Microcontroller Interface (PMIC) - Voltage Reference, designed for use in high-end laptops, power supplies, personal computers, and other similar systems requiring accurate system reference voltage measurements. This versatility, combined with high accuracy and low RFI (Radio Frequency Interference) susceptibility, make it an ideal voltage reference for a wide range of applications.

The TS432BCX RFG is based on a two-stage, two-rail programmable reference generator topology that provides excellent accuracy and stability. This configuration is composed of two distinct and complimentary stages; a high-speed, adjustable voltage reference stage and a low-noise, low-speed feedback loop stage. The adjustable voltage reference stage consists of a low-noise amplifier and voltage reference circuit, which allows for accurate adjustment of the reference voltage. This precision adjustment can be set with a resolution of 0.01V, making it ideal for applications requiring greater accuracy or for those needing a variety of different voltage levels.

The low-noise, low-speed feedback loop stage helps to ensure stability of the reference voltage output, increases accuracy, and reduces the susceptibility of the system to Radio Frequency Interference. This stage consists of an output voltage divider, a precision current source, and a precision voltage follower circuit. The output voltage divider is responsible for providing the adjustable reference voltage to the precision current source, and the precision voltage follower circuit helps to optimize the output voltage level. An additional benefit of this arrangement is a low total output impedance, making it suitable for high-impedance loads.

The TS432BCX RFG also includes additional features to help narrow down the acceptable voltage window and reduce output impedance. There is an under/over voltage detection feature which alerts when the reference voltage is too high or low. This feature eliminates the need for an external voltage supervisor. Additionally, the TS432BCX RFG includes an integrated voltage regulator to ensure that the output voltage remains stable, even when the load or system supply conditions change. This helps to reduce interference and protects sensitive circuits from voltage fluctuations.

Overall, the TS432BCX RFG is an excellent choice for a variety of application fields that require accurate reference voltages. Its combination of high accuracy, low RFI susceptibility, adjustable voltage window, and low total output impedance makes it an ideal choice for a wide variety of power management devices. Additionally, its advanced features and design make it suitable for high-end laptops, power supplies, personal computers, and other similar systems.

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