RT8258GJ6

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RT8258GJ6 is an innovative power management integrated circuit (PMIC) developed by Richtek Technology Corp. that targets high-efficiency, high-precision applications. The IC can deliver up to 2A of continuous output current and is ideal for use with multicellular lithium-ion batteries or other low-voltage supplies. In addition, the IC\'s output voltage range can be tailored to perfectly match the voltage profile of the battery or power supply. Additionally, its integrated switching frequency-adjustable constant-current output can be used to adjust the battery charge current level. This makes it the perfect solution for applications needing high-precision and high-efficiency power management.

RT8258GJ6 belongs in the PMIC – Voltage Regulators – DC DC Switching Regulators family. In this family, RT8258GJ6 is a pulse-width modulation (PWM) step-down regulator. It operates in a constant frequency Peak Current Mode Control (PCMC) for reliable operation and precise control. With the adjustable switching frequency, the device is able to maintain the best power conversion efficiency for a wide input voltage and output load conditions.

The RT8258GJ6 step-down regulator can operate from a wide 2.5V to 5.5V input voltage range. It comes with a complete set of protection features, including an over-current protection (OCP), an over-temperature protection (OTP), and an under-voltage lockout (UVLO). The OCP level is programmable via two external resistors. The OTP circuit monitors the die temperature and permanently shuts down device output when the die temperature exceeds its maximum operational value. Finally, the UVLO circuit provides a soft start feature and prevents the device from attempting to start up with a voltage below the regulated threshold.

The core of the RT8258GJ6 device is its integrated low-ripple PWM constant-frequency control circuitry. An internal power switch is used to control the input power to the output, and a compensator is used to adjust the stability of the circuit. The constant frequency control circuit also allows for adjustable switching frequency from 100Khz to 1Mhz. This helps to maximize the power conversion efficiency for a wide range of input and output conditions without the need for any external components.

The RT8258GJ6 DC DC switching mode regulator is perfectly suited for applications that require high power efficiency, precise power delivery and low power dissipation. It\'s ideal for use in portable electronic devices, such as smartphones, tablets, smart watches, and other hand-held devices, as well as in smart household appliances and automotive systems. Additionally, it\'s especially well-suited for use in battery power management applications.

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