BD8649EFV-E2 Integrated Circuits (ICs)

Voltage - Output (Min/Fixed):	0.8V
Base Part Number:	BD864*
Supplier Device Package:	20-HTSSOP-B
Package / Case:	20-VSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-20°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	100kHz ~ 600kHz
Current - Output:	3A
Voltage - Output (Max):	18V
Series:	--
Voltage - Input (Max):	18V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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BD8649EFV-E2 Application Field and Working Principle

The BD8649EFV-E2 ic is a 4th-generation DC/DC switching regulator for embedded equipment and other portable devices. It belongs to the product family of voltage regulators or switching regulators, also known as switched-mode power supplies (SMPS). This type of regulator provides outstanding performance with high efficiency and low noise, making it a popular choice for a wide range of applications, including battery-operated and solar power applications, home and portable devices, and industrial or automotive applications.The BD8649EFV-E2 has a versatile design, providing two buck and one boost output channels. It is able to regulate and step down voltage from 12V to 1.2V with outputs up to 3A, while simultaneously providing boost voltages from 1.2V to 5V up to 2.6A. It provides built-in protection features including over-voltage protection, under-voltage lockout, over-temperature protection, short-circuit protection, and reverse-current protection, making it an excellent choice for use in high-reliability systems. The IC utilizes a type of voltage regulation technology called PWM (Pulse Width Modulation) to control the output voltage and current. This technology works by rapidly switching the output on and off to control the output voltage. The rate of switching, known as the switching frequency, can vary depending on the application, but is typically between 200kHz and 1MHz. In addition, the IC provides various features to ensure efficient operation, such as synchronization, spread spectrum oscillator, overshoot suppression and load-compensation circuitry.The BD8649EFV-E2 is a low-cost and highly reliable IC suitable for a wide range of applications. It has been designed to meet the needs of the mobile industry, offering low power consumption, high performance, and compact size. Furthermore, its flexibility makes it suitable for use in other general-purpose applications as well. Additionally, its protection features make it an ideal choice for use in safety-critical systems.

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