Step-Down Converter Controller
The TPS6420x is a highly versatile power management controller that facilitates efficient voltage regulation in various applications. It is capable of managing power sources from one to three series-connected lithium-ion cells, making it suitable for portable devices that require compact and efficient energy solutions. Additionally, the controller can also operate from standard 3.3 V or 5 V power supplies, such as those provided by USB ports, which enhances its adaptability in different environments.
This controller employs a synchronous buck converter topology, which allows for high efficiency and low output voltage ripple. The TPS6420x features an adjustable output voltage range, enabling it to cater to a wide variety of load requirements. Its integrated power MOSFETs minimize the need for external components, thereby reducing the overall footprint of the circuit.
The TPS6420x includes several protective features, such as over-voltage protection, under-voltage lockout, and thermal shutdown, ensuring reliable operation under various conditions. Furthermore, the controller supports various switching frequencies, allowing designers to optimize performance based on specific application needs.
In summary, the TPS6420x controller is an effective solution for powering devices from multiple cell configurations or USB power sources, providing flexibility, efficiency, and reliability in a compact design.The TPS6420x controller is designed to operate from one to three series-connected cells or from a 3.3 V or 5 V supply obtained from a USB port. At its out.. 🔗 External reference
Related Circuits
A RAM memory extender has been designed for PIC microcontrollers. This circuit incorporates various logic integrated circuits (ICs) and SRAM memory modules to enhance the data memory capacity of a PIC microcontroller. The designer has also supplied source code...
There are instances where a 5-V supply voltage is available, but certain components within the circuit require a lower voltage supply. In such cases, a voltage regulator from the Texas Instruments TPS62000 family is an excellent solution, particularly when...
The LEDs operate in an active-low configuration (0), while the initial state of the switches is high (1). In other words, the PC software must send a low signal (0) to activate the LEDs, and if a low signal...
The designer is looking for a solution with higher efficiency and lower power consumption in order to minimize unnecessary energy loss. The approach involves using syntony inductance to harmonize the capacitive LLC syntony converter, employing zero voltage switching (ZVS)...
This circuit diagram illustrates the method for obtaining a negative voltage from a positive voltage supply. An additional benefit of this circuit is that the negative voltage, combined with the original positive supply, can be used to simulate a...
When the input transitions from low to high, a narrow positive pulse is generated at point A. This pulse results in a -13 V level at point B, which causes diode D2 to turn off. Consequently, the V+ voltage...