BD45395G-TR

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Introduction

The BD45395G-TR is an integrated power management and control IC designed for use in designs that require tight regulation and exceptional control of peripherals. This device is a highly-integrated and complete system solution that can reduce design complexity, reduce design cost and ensure quality. The BD45395G-TR is a part of STMicroelectronics\' family of Power Management and Control ICs.

Application field

The BD45395G-TR can be used for a variety of power management and control applications. This device is particularly well suited for applications requiring tight regulation, precise control, and long-term performance. Examples of such applications include medical instruments, industrial devices, portable devices, battery- operated devices and automotive systems. Additionally, the device can be used to control external LEDs, boost and buck converters, digital isolators, and DC-DC converters.

Working principle

The BD45395G-TR is a controller IC specifically designed to provide flexible power management and control capabilities. Its primary purpose is to provide a precise, predictable level of voltage and current regulation by integrating error amplifier, OVP, and VCC comparator circuits. The device is capable of controlling up to three independent output channels, each with its own dedicated enable pin, and can detect and respond to over-current and over-temperature conditions. In addition, the BD45395G-TR provides several protection functions, including over-voltage, under-voltage, open-load, and short-circuit protection.

Control

The BD45395G-TR has three independent output channels, each with its own dedicated enable pin. Each channel has its own over-current and over-temperature mechanisms for protection, as well as its own enable and fault status indicators. To regulate the output voltage and current of each channel, the BD45395G-TR provides both an external reference voltage and an on-chip voltage reference for voltage and current regulation. Additionally, the device supports through-hole and surface mount devices, allowing for flexibility in design.

Functional Features

The BD45395G-TR includes a variety of functional features to ensure accurate and precise power management and regulation. These features include an active low enable pin that allows the device to be shut off when not in use; a precision voltage reference circuit that allows precise voltage control; and an adjustable over-voltage and over-current threshold. Additionally, the device is capable of both current limiting and short circuit monitoring and protection, as well as thermal shutdown. The device is also capable of supplying an adjustable current limit to the load in order to protect against potential over-current scenarios. Finally, the device includes a number of peripheral control signals, including a power-down, a sense switch, and a soft start pin.

Conclusion

The BD45395G-TR is a complete and efficient power management and control IC designed for use in a variety of applications requiring tight regulation, precise control, and long-term performance. The device is capable of controlling up to three independent output channels and includes a variety of functional features to ensure accurate and precise power management and regulation. In addition to the performance benefits the device offers, its flexibility in design, its ease of use, and its low cost make it an attractive option for a variety of power management and control applications.

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