BD82021FVJ-E2

Voltage - Supply (Vcc/Vdd):	Not Required
Base Part Number:	BD82021
Supplier Device Package:	8-TSSOP-BJ
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Fault Protection:	Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
Features:	Load Discharge, Status Flag
Input Type:	Non-Inverting
Rds On (Typ):	90 mOhm
Current - Output (Max):	1.5A
Series:	--
Voltage - Load:	2.8 V ~ 5.5 V
Interface:	On/Off
Output Type:	N-Channel
Output Configuration:	High Side
Ratio - Input:Output:	1:1
Number of Outputs:	1
Switch Type:	USB Switch
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

BD82021FVJ-E2 is an integrated, single-phase Power Management Integrated Circuit (PMIC) used to power and control digital systems. It is a type of power distribution switch, load driver, and voltage regulator. The device acts as an electronic switch, allowing power to be distributed to the digital system during normal operation and allowing power to be removed during standby and/or malfunction. Additionally, it provides a method to regulate the amount of power supplied to the system, as well as providing protection from overvoltage and/or undervoltage.

BD82021FVJ-E2 Application Field

BD82021FVJ-E2 is a high-performance single-phase power management IC designed for a variety of power supply, power control, and system protection applications. It is used in a wide range of applications, such as notebook computers, desktop computers, servers, power supply systems, industrial equipment, and instruments. Additionally, it can be used in distributed power systems and complex multi-phase applications.The device is suitable for computing and embedded systems that require high performance, low power consumption and reliable operation in a wide range of temperatures. It is compatible with both digital controllers and analog systems. The device is also suitable for applications that require integrated power switches, high-speed load drivers, and overvoltage/undervoltage protection.

BD82021FVJ-E2 Working Principle

The BD82021FVJ-E2 operates by controlling the power switching MOSFETS which vary the amount of current that is supplied to the system. It also features a high-speed load driver which is used to control the output voltage of the system. It’s other features include overvoltage/undervoltage protection, as well as clock and reset functions.The device is designed for a wide range of operating temperatures, from 0°C to 85°C. It operates at an input voltage of 3.3V to 5.5V and delivers up to 4A of current. It is designed with a low quiescent current, up to 16μA. The device also features low noise operation, which is a requirement when powering noise-sensitive digital circuits.

Conclusion

In conclusion, BD82021FVJ-E2 is a high-performance, single-phase power management IC well-suited for many applications including notebook computers, desktop computers, servers, power supply systems, industrial equipment, and instruments. It provides power switching and management,load drivers, and overvoltage/undervoltage protection. The device has a wide temperature range, low quiescent current, and low noise operation.

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