MAX8685AETD+T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Applications:	Photoflash Capacitor Charger, Xenon
Current - Supply:	--
Voltage - Supply:	2.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	14-WFDFN Exposed Pad
Supplier Device Package:	14-TDFN-EP (3x3)
Base Part Number:	MAX8685

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

pmic - power management - specialized

Introduction

The MAX8685AETD+T is a special power management IC, designed by Maxim Integrated, to help users simplify the operation in power control management applications. It is a feature-rich product, and is widely used in applications such as motor control for automotive, medical and industrial applications. This device is able to monitor and control the power supply of peripherals in the automotive application, implement the power sequencing and fault protection, etc. In this paper, we will cover the application fields and working principles of the MAX8685AETD+T.

Application Fields

The MAX8685AETD+T can be applied in the automotive, medical and industrial areas for motor control, automotive power control and power sequencing, etc. Specifically, it is suitable for the following scenarios:

• Automotive Power/Sequencing Management - The MAX8685AETD+T is able to provide internal, synchronized power sequencing and diagnostics, including fault management. It simplifies the tasks of controlling power rails, monitoring power-down events, and provides fail-safe protections when needed. It is suitable for implementing smart power management in automotive, such as the power supply of components like infotainment systems, displays, and sensors.
• Motor Control - It is able to monitor multiple motors simultaneously and provide a fault protection for them, which is suitable for many industrial applications.
• Medical Devices Control - This device can also control and monitor medical equipment power, implementing a reliable medical power management. By providing reliable power for medical devices, it can improve the productivity and safety of the medical environment.

Working Principles

The MAX8685AETD+T is based on a patented, proprietary architecture consisting of a supply pin controller and a switching sequencer. The supply pin controller provides a way to accurately and efficiently control power supply with a power transistor. The switching sequencer is used to reliably sequence the supply pin controller, providing internal synchronization and fault management operations.At the core of the architecture of the MAX8685AETD+T is a set of control pins, allowing the device to monitor and control the power supply of components in an automotive application, implement power sequencing, and provide fault protection. To sequence the power-up and power-down waves of different rails, the device is composed of an N-stage sequencer, driven by an internal clock. The N-stage sequencer generates a staggered sequence for the power supply of different components. Each stage of the sequencer is associated with a different component and is responsible for starting and stopping the supply. In between two stages, a particular delay and voltage is set, which acts as the sequencing period, and this is how the present device can implement power sequencing. If a component is not available, the sequencer will skip the associated stage to ensure other components still can receive power on time. The MAX8685AETD+T is also equipped with main and external fault management circuits, which will monitor the status of power rail. When a fault is detected, the MAX8685AETD+T will forcibly shut down the rail, preventing further damage of this specific component.

Conclusion

The MAX8685AETD+T is a special power management IC, designed by Maxim Integrated, to simplify the power control management applications. It is widely used in applications such as motor control in automotive, medical and industrial applications, and can provide reliable fault protection and power sequencing. In this paper, we have discussed the application fields and working principles of the MAX8685AETD+T.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description