SI4463BDY-T1-E3

SI4463BDY-T1-E3 Application Field and Working Principle

The SI4463BDY-T1-E3 is a low-voltage symmetric 3-output boost converter, built with a Self-Regulated Pulse Modulator Control, or SRPM. It is a single-input device that offers adjustable current limits and switching frequencies. The two-stage design allows for higher output currents and lower noise. Additionally, the added fourth pin of the SI4463BDY-T1-E3 offers a power path for more efficient operation when the main input voltage is greater than the output voltage.

Application Field

The SI4463BDY-T1-E3 is suitable for applications that require low voltage and low current consumption such as consumer electronics, power tools, and industrial equipment. It can also be used in automotive inverter or automotive motor controllers. It is an efficient, wide input voltage, wide output voltage and easy to use solution.

Working Principle

The SI4463BDY-T1-E3 is based on a Self-Regulated Pulse Modulator Control, or SRPM, technology. This technology provides a low output ripple and fast transient response for increased efficiency. The SRPM control also leads to low switching noise, small notch frequencies and minimal adverse effects on the gate drive circuits.

The SI4463BDY-T1-E3 is built of a two-stage topology consisting of an input voltage regulator, an output voltage regulator, an output current monitor and an energy storage coil. The input voltage regulator is a high-voltage job that regulates the input voltage to a stabilized level. The output voltage regulator takes care of the energy balance between the input and the output. The output current monitor works together with the output voltage regulator to limit the output current.

The energy storage coil is an inductor that stores the energy that is needed in order to transfer the power from the input to the output. It is also responsible for controlling the output voltage and current limits. The two-stage topology allows the device to function over a wide input and output voltage range.

Conclusion

The SI4463BDY-T1-E3 is a low-voltage symmetric three-output converter. It is based on a Self-Regulated Pulse Modulator Control technology which offers low output ripple and fast transient response for increased efficiency. The two-stage topology provides a wide input and output voltage range, making it suitable for applications that require low voltage and low current consumption. The energy storage coil is responsible for the energy balance, output voltage and current limits.