PS8A0143APE

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PS8A0143APE, part of the STMicroelectronics’ “ultra-low quiescent current” iMOTION™ family is an integrated power management integrated circuit (PMIC). It is specifically designed for automotive applications and it provides superior power management for load dump, pin-selectable, and fixed output step up converters. The device has capabilities for high power operations up to 20V output voltage, and is ideal for automotive applications such as 12V-24V and 48V automotive switch mode converters, advanced infotainment and audio/video applications, and HVAC compact solutions.

The PS8A0143APE output voltage range between 0.3V and 20V and adjustable boost current up to 2.5A. It integrates an error amplifier, a high-side and low-side MOSFET driver, and a pulse-width-modulator PWM that is designed to perform a wide variety of power management functions.

The PS8A0143APE offers a wide range of features and user-defined specifications that are specially tailored for automobile applications. For example, this PMIC allows for load dump protection, wide-input voltage operation up to 50V, Over-Voltage Protection (OVP) for both the input and output, and wide-power-border operation. It also has a low leakage current (≤ 1 µA) and a low standby current consumption (≤ 1mA). The PS8A0143APE also features high integration with a variety of features such as high-side and low-side FETs, analogue-to-digital converter, and PWM output to reduce time-to-market of integrated motor control solutions.

The PS8A0143APE working principle is based on the pulse-width modulation (PWM) technique. By adjusting the duty cycle of the output, the required voltage and current can be supplied to the load. This PWM technique also ensures that no over-voltage surges are generated in the output circuit, thus increasing the safety of the system. Furthermore, the PS8A0143APE automatically adjusts the gain of the feedback loop and the PWM frequency to maintain the desired output voltage. This unique architecture enhances system performance, which reduces the need for external capacitors, and provides lower EMI. The device also includes an Over-Voltage Protection (OVP) to ensure safe operations.

STMicroelectronics\' iMOTION™ family of products make strong power management available to automotive applications. The PS8A0143APE is designed to be simple and efficient enough to provide reliable power management solutions to such applications. Its high voltage range, high current and low quiescent current as well its integrated power management features make it suitable for a large range of automotive applications or any other application requiring enhanced high-voltage power management.

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