TL2842D-8

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TL2842D-8 is a DC-DC switching controller that belongs to the class of PMIC - Voltage Regulators. It is used in a variety of applications, including motor control, audio power amplifiers, power supplies, and battery management systems. The device offers a high-performance, low-cost solution to high-power output voltage requirements.

The TL2842D-8 DC-DC switching controller offers a wide input voltage range and is designed for low-power applications. It is capable of operating from a 3.6 V to 32 V input voltage and stepping down to generate a 12 V output with up to 20 A. It has an adjustable switching frequency between 200 kHz and 1.36 MHz. The device also features cycle-by-cycle current limit protection and protection from over-temperature conditions. It also comes with integrated gate drivers and a preset output current limit, making it suitable for use in a range of applications.

The TL2842D-8 DC-DC switching controller is based on the buck converter topology, which utilises the principle of pulse width modulation (PWM). In this topology, an input voltage is applied to an inductor to create a current flow between the input and output. The output voltage is also monitored by a feedback loop which adjusts the width of the pulses provided to the inductor. This process results in a reduced output voltage as compared to that of the input voltage. The output voltage can be further reduced by adjusting the duty cycle of the pulses.

The TL2842D-8 DC-DC switching controller also features a wide range of operating modes. These include Pulse Width Modulation (PWM), Pulse Width Demodulation (PWDM), and Pulse Frequency Modulation (PFM). The PWM mode is used for constant current applications and can provide up to 18 A of output current. The PWDM mode is used for variable output current applications, and can provide up to 15 A of output current. The PFM mode is used for variable frequency applications, and can provide up to 10 A of output current. Additionally, the device also features an external voltage reference which allows users to further customise the device’s output voltage.

The TL2842D-8 DC-DC switching controller can operate in either step-down or step-up mode depending on the application. In step-down mode, the output voltage is reduced from the input voltage. This mode is ideal for providing a lower voltage output to power lower voltage circuits. In step-up mode, the output voltage is increased from the input voltage. This mode is ideal for powering higher voltage load circuits.

Overall, the TL2842D-8 DC-DC switching controller is an excellent choice for a wide range of applications. It offers a high-performance, low-cost solution to high-power output voltage requirements. With its extensive range of operating modes, adjustable switching frequency and integrated gate drivers, it is suitable for a wide range of applications.

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