CS5172EDR8G Integrated Circuits (ICs)

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The PMIC (power management integrated circuit) CS5172EDR8G belongs to the voltage regulators - DC DC switching regulators, which features 1:2 input voltage ratio, 0.5v output, 6A peak current, 150 kHz operating frequency, and 8 kHz switching frequency to help power management system deliver system performance with great efficiency.The application of the CS5172EDR8G can be generally found in various products such as PDAs, laptops, desktops, notebook PCs, and embedded applications, covering wide range of communications, internet-of-things (IoT), industrial, transportation, and medical equipment. With the integrated functions of pulse frequency modulation (PFM) and pulse width modulation (PWM), the CS5172EDR8G can satisfy device requirements under low ripple noise, low quiescent current, fast and stable response characteristics, and the better load stability. This regulator releases the limitation of power supplies for the embedded applications and can substitute a combination of traditional LDS (linear dwindle supply) with bulk capacitor and long power loop design.One of the key characteristics of the CS5172EDR8G is its PFM/PWM seamless transition control, which can provide synchronization between the two modes. The PFM mode can keep the output voltage within a certain voltage range with a very low noise level and low quiescent current to get system balance. During the PWM mode when high power is required, the integrated high-side and low-side MOSFETS can ensure the accurate voltage control and fast transient response with no additional components required.Besides, the light load control technology of the CS5172EDR8G can precisely adjust its switching frequency. In the PFM mode, the switching frequency can increase to 150 kHz while its peak current reaches 6A, which is ideal for low power applications such as phones, tablets and so on. The adjustable soft-start time can guarantee a smooth current rise to prevent the surge current.In terms of protection technology, the CS5172EDR8G has multiple safeguard function such as over-current protection (OCP), over-voltage protection (OVP), under-voltage protection (UVP), temperature protection (TP) and short-circuit protection (SCP). All those protectors work in a frame based system, which improves the safety and extends the device working life during extreme conditions.To summarize, the PMIC CS5172EDR8G along with PFM/PWM seamless transition control can help deliver system performance with great efficiency and accuracy, especially for highly integrated embedded systems and light load low power applications. With its protection features, it can ensure adequate protection and increase the system reliability.

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