FSCM0765RGWDTU

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PMIC (Power Management Integrated Circuit) which encompasses AC DC Converters and Offline Switchers, have become a critical component of today’s modern products, and their capabilities have been growing to keep up with the rapidly advancing technology. One such product of the PMIC family is the FSCM0765RGWDTU. The FSCM0765RGWDTU is a flyback topology switching converter device providing high efficiency, precise voltage regulation, and low system cost. It features an integrated, high-efficiency, and high-performance synchronous rectifier (SR), along with a wide range of voltage and current programming options.

The FSCM0765RGWDTU’s primary application field is fast charging of portable devices, such as laptop and mobile phone chargers, and it can also be used in adapter applications and other products that require high-currents, high-voltages, and/or high-efficiencies. The FSCM0765RGWDTU also offers significant ease of use and design flexibility, allowing the user to set the peak current, overvoltage protection (OVP), undervoltage protection (UVP), and current limit (CL) values through simple programs.

As far as the working principle goes, the FSCM0765RGWDTU works in the following manner. Firstly, the primary side of the switch is pulse-width modulated (PWM) with a fixed period which can be programmed based on the input voltage and output voltage. This period is determined by the control loop which is responsible for regulating the output voltage, shutting down the device in case of an OVP or a UVP event. Secondly, when the switch is off, the output voltage is sensed and fed back to the control loop.

When the switch is ON, the SR converts the input voltage to the output voltage. This process causes energy to be stored in the output capacitance, thus creating the ‘flyback’ effect. Finally, the output voltage is regulated by varying the ON and OFF conduction times of the pulse width modulation (PWM) with respect to the sensed output voltage.

The FSCM0765RGWDTU is therefore a multifunctional device that provides a wide range of features and options. On the primary side, it provides high efficiency with a wide range of voltage and current programming options, while on the secondary side it offers precise voltage regulation and overvoltage, undervoltage and current limit protection. Furthermore, the FSCM0765RGWDTU can be easily programmed for various applications and makes for a great choice for fast charging of portable devices.

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