CHL8104-01CRT

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The CHL8104-01CRT is an advanced and highlyintegrated Power Management Integrated Circuit (PMIC) designed with DC-DC regulators, or as a DC-DCswitching controller. As a DC-DC switching controller, it\'s able to generate high efficiencies and high-frequencyswitching performance for DC-DC applications ranging from low-voltage to high-voltage and from low-currentto high-current. The device enables significant area reduction, low EMI and high performance, as well asmore efficient power supply and more accurate parameter settings to meet stringent requirements for powerconversion. The CHL8104-01CRT has a typical operating efficiency range of 81–92%, making it one of themost efficient and flexible PMICs available for advanced design applications.

CHL8104-01CRT Application Field and Working Principle

The CHL8104-01CRT is an advanced and highly integrated single-chip PMIC suitable for high-endapplications, such as communications and computing equipment, appliance control systems, automotiveelectronics, motor control, and even semiconductor protective applications. The PMIC works as a DC-DCswitching controller and it performs its operations using a wide range of operational features and parameters.The CHL8104-01CRT offers power conversion precision, frequency control accuracy, and efficiency in asmall footprint. Powered by a regulated input voltage, the PMIC offers multiple voltage output levels from anintegrated chip-level integrated inductor, ferrite core, and MOSFETs. The output voltage lines are regulated byan integrated step-down regulator, which is also used to control the output current of the connected devices.The CHL8104-01CRT further provides good isolation for the DC-DC switching controller by integrating aferrite core to reduce EMI emissions.

The device also includes an integrated TTL regulator, allowing the operating voltage to be adjustedaccording to the output level of the connected device. The integrally adjustable reference voltage allowsconsistent power supply and load-balancing capabilities. The device further features a soft start function, whichallows to predetermine the pre-charge sequence, enabling guaranteed start-up from the desired voltageregardless of the input voltage range. In addition, the CHL8104-01CRT provides a built-in overtemperatureprotection to ensure the device does not cause any destruction in case of an emergency.

Thanks to the high power capabilities and low noise of the device, the CHL8104-01CRT is an idealsolution for DC-DC applications requiring precision, reliability and efficiency. The PMIC enables thedevelopment of advanced, high-performance power systems while enabling significant area reduction. With itssmall-footprint design, the CHL8104-01CRT is perfect for applications requiring the smallest size and weightfootprint while ensuring excellent power supply solutions.

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