Series:	--
Part Status:	Obsolete
Applications:	Heating Controller
Current - Supply:	--
Voltage - Supply:	3.5 V ~ 5.5 V
Operating Temperature:	-20°C ~ 85°C (TA)

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PT8A3235PE Application Field and Working Principle

Introduction

The PT8A3235PE is a highly compact power management integrated circuit (PMIC) designed for a wide range of applications. Its advanced features, rich control interface, and ability to operate in high-temperature environments make it ideal for a variety of industry-specific applications. The high efficiency of this device and its efficient operation allow for the highly efficient use of the available power. This makes it a suitable choice for products demanding high power efficiencies in high-temperature environments and for products with space restrictions.

Features

The PT8A3235PE is a dual channel PMIC that can provide up to 2A of regulated power over two channels. It employs a synchronous buck-boost topology for its internal switching power converter, providing high efficiency, wide input voltage range, and low output noise. The device is protected from over-current, under-voltage, and over-temperature. The PT8A3235PE features sophisticated protection features, such as power sequencing and electronic circuit protection. The device is also provided with an adjustable soft start timing circuit, allowing the factory-configured supply voltage to be adjusted depending on the specific application requirements. The device also features an adjustable current limit, allowing the user to set an optimal current level depending on their power source. Additionally, the device can respond to logic commands, such as turning on and off output channels and retrieving status information.

Application Fields

The PT8A3235PE is suitable for a range of products and applications that require high-efficiency power management operations. It is particularly suitable for applications in telecommunications, industrial, automotive, and medical industries. It is also suitable for use in products that require power over multiple channels and for noise-sensitive operations.

Working Principle

The PT8A3235PE uses a synchronous buck-boost topology for its internal power converter. This design ensures high efficiency and wide input voltage range support from 3.3-21V. The input voltage is regulated to keep the output voltage steady while dissipating very low levels of heat. Additionally, the device is protected against overload, reverse currents, and thermal shutdown. The device features an adjustable current limit, which allows the user to set the preferred current limit depending on the input voltage. In this way, the application is able to efficiently utilize the available power without worrying about overpowering or undersupplying. The device is also provided with three power sequencing blocks, allowing the user to program the order in which it switches on the supplies. This helps prevent any power disturbances or uncontrolled currents during the switching process. The device can also receive logic commands from the host processor, allowing it to switch on and off the output channels.

Conclusion

The PT8A3235PE is an advanced and highly efficient PMIC that provides superior levels of protection and performance. It is suitable for a range of applications and is particularly suitable for use in products that require power over multiple channels and noise-sensitive operations. Its wide range of features and controls make it an ideal choice for applications in telecommunications, industrial, automotive, and medical industries.

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