The RT6250BHGQUF is a plastic encapsulated monolithic integrated circuit. It is a part of an advanced switching regulator family intended for use in flyback, forward, and push-pull topologies.
The RT6250BHGQUF belongs to the PMIC-Voltage Regulators- DC DC Switching Regulators. It has a high integration level with a wide range of features, like a synchronous rectification control, integrated control logic for boosting with pre-charge and auto-discharge and overcurrent protection. Its innovative gate driver shows the integrated high and low side MOSFETs with a programmable U.VLO threshold.
The RT6250BHGQUF can be used in a wide range of applications, like:
- DC/DC switching regulator, as its internal driver and protection circuit makes it easier to design power circuits.
- Flyback converters, as its wide range of features and protections makes it suitable for low power applications.
- AC/DC applications, due to its integrated high side MOSFET with adjustable U.VLO and Soft-start.
The working principle of the RT6250BHGQUF is to create high-efficiency, high-frequency, stable alternating current from DC sources like batteries, fuel cells and solar panels. It will begin by sensing the power source, then regulating the current and voltage until it reaches the selected parameters. This will allow it to generate the desired current and voltage, which will be used to power the system.
It works by using a modified buck-boost converter, which is a hybrid of the buck and boost converter, and makes use of two inductors and two capacitors. This will reduce the output ripple and improve the transient response. It is normally used in applications in which the power levels are low, and the line and load regulations must be accurate.
The RT6250BHGQUF is able to operate in normal and standby mode, allowing the user to configure the operating zones via external resistors. This enables the circuit to enter in eco or deep-eco mode when the load is light, in order to reduce the power consumption. It uses an internal hysteretic control, in order to reduce power consumption, ensure fast response time, compensate for temperature changes, and reduce output ripple.
In conclusion, the RT6250BHGQUF is a highly integrated switching regulator belonging to the PMIC-Voltage Regulators- DC DC Switching Regulators family. It is highly efficient, and can be used in applications with low power levels, like DC/DC efficient converters, flyback converters, and AC/DC applications. Its internal driver and protection circuit makes it easier to design power circuits. It uses a modified buck-boost converter, and operates in normal and standby mode.
RT6250BHGQUF Datasheet/PDF