P9235A-0NDGI8

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The P9235A-0NDGI8 is a high-performance, multi-phase DC-DC buck converter intended for automotive applications. It has a wide input voltage range of 9V-45V and includes a wide range of over current and over temperature protections. The device is intended to generate regulated an output voltages over a wide temperature range, and can be used to supply high current loads. This makes it ideal for power hungry applications such as audio amplifiers, LED lighting systems and camera modules, as well as any other automotive application requiring high efficiency and robust protection.

The P9235A-0NDGI8 is a four-phase synchronous buck converter, with the ability to generate four regulated, independent and simultaneous output voltages. It comprises two dual-phase buck regulator ICs connected in parallel for increased current delivery capability. Both ICs are internally synchronized, maximizing efficiency at light and high load conditions. The device is configured through a 2-wire interface using I2C protocol, and contains a wide range of integrated protections, including over current, over voltage and over temperature. Additionally, the device supports output voltage tracking, load line compensation and input current measurements.

The main features of the P9235A-0NDGI8 are:

• Wide input voltage range of 9V-45V
• Up to 4 synchronized output voltages between 0.6V–6V
• Load line compensation
• Output voltage tracking and sequencing
• High efficiency up to 95%
• Over current, over voltage and over temperature protection
• I2C interface for communication and configuration

The P9235A-0NDGI8 is designed to be used in automotive applications. It is suitable for powering a wide range of components and modules such as audio amplifiers, LED lighting systems, camera modules and any other automotive application that requires high efficiency and robust protection. With its wide input voltage range and load line compensation, the device is capable of generating stable output voltages even at low input voltages, enabling its use in start-stop applications.

The working principle of the P9235A-0NDGI8 is based on buck converter topology. It consists of two dual-phase power stages connected in parallel. The input voltage is rectified by two diode bridges to generate the main supply voltage. This is then filtered and used to power the two internal dual-phase buck ICs. Each IC is responsible for the regulation of two output voltages. The output voltage is determined by an internal feedback loop, which adjusts the duty cycle of the switching elements in each phase. The P9235A-0NDGI8 is capable of providing up to 50A of continuous output current.

The P9235A-0NDGI8 is a versatile and robust solution for automotive power requirements. It offers a wide range of features and protections, making it ideal for any application that requires multiple output voltages, high efficiency and robust protection.

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