S-812C55BPI-C5JTFG

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The S-812C55BPI-C5JTFG is a series of DC/DC buck converters in the LP (Low Profile) form factor which are compliant with the AEC-Q100 Grade 3 standard, which is an industry benchmark for automotive-grade components. With its 3.3V to 40V input voltage range and programmable output current of up to 30A and switching frequency of up to 1MHz, the S-812C55BPI-C5JTFG makes it ideal for a wide range of general-purpose applications.

The S-812C55BPI-C5JTFG is designed to provide an adjustable voltage output from 0.7V to 2.5V with a peak current of up to 30A and a wide range of switching frequencies from 100kHz to 1MHz. Its wide input voltage range, low-side MOSFET and high-side MOSFET paired gate drivers, adjustable duty cycles with smooth transitions and PID loop control system, make this linear PMIC an ideal choice for power management solutions in a variety of applications such as automotive, telecommunications, consumer electronics, LED lighting and industrial.

It is also a smart controlled device which can independently monitor load current, input voltage, battery temperature and other parameters to ensure safe operations and optimum performance in the whole system. The power efficiency is further improved by its features like ultra-low standby current and step-up mode operation.

The working principle of the S-812C55BPI-C5JTFG is based on the buck topology, where an external capacitor is used to store energy in a closed loop. The input voltage and current fed to the buck converter are stepped down to the required output voltage level and the current is regulated using the pulse width modulated (PWM) technique. The PWM adjusts the duty cycle to maintain a constant output voltage and the closed loop regulation ensures stable output voltage under varying input voltage and load conditions. The S-812C55BPI-C5JTFG adopts a high-side MOSFET and low-side MOSFET combined gate driver with a fixed resistor to ensure fast and accurate switching control.

The S-812C55BPI-C5JTFG is an ideal choice for its high efficiency, excellent EMI performance, low quiescent current, wide input voltage range and excellent line/load regulation. The high-side MOSFETs used in the S-812C55BPI-C5JTFG are capable of providing fast switching speeds and low gate resistance in order to minimize power loss. The low-side MOSFETs have low gate capacitance to reduce switching jitter and minimize EMI. The S-812C55BPI-C5JTFG is also equipped with programmable bus voltage tracking and current monitoring features. It also includes a dynamic voltage scaling feature to provide better power savings and allow the design to dynamically adjust the output voltage to suit the requirements of the system.

The S-812C55BPI-C5JTFG is an ideal solution for applications that require high performance, low-cost and wide input voltage range buck converters, such as automotive, industrial, consumer electronics and telecommunication applications. It provides superior performances, robustness and advanced features to simplify design and reduce the time to market. It is also a practical solution for those applications that need extended operating temperature range, high efficiency, and low-profile form factor. The S-812C55BPI-C5JTFG is well-suited for a variety of applications including powering up LEDs, DC/DC converters, battery chargers, automotive electronics, charging systems, and other similar applications.

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