BD9845FV-E2

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low power consumption - Compact size - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: SOP-8 (Small Outline Package)

Essence: The BD9845FV-E2 is a power management IC designed for efficient voltage regulation in various electronic devices.

Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.8V to 16V
• Output Current: Up to 1.5A
• Quiescent Current: 50μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The BD9845FV-E2 has the following pin configuration:

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| | --| VCC GND |-- Pin 1: Ground (GND) --| VIN EN |-- Pin 2: Enable (EN) --| FB SW |-- Pin 3: Switch (SW) --| COMP NC |-- Pin 4: No Connection (NC) --| SS PG |-- Pin 5: Power Good (PG) --| SS SS |-- Pin 6: Soft Start (SS) --| VOUT NC |-- Pin 7: No Connection (NC) --| VOUT NC |-- Pin 8: No Connection (NC) |___________| ```

Functional Features

• High Efficiency: The BD9845FV-E2 provides high efficiency voltage regulation, minimizing power loss and maximizing battery life in portable devices.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the device and connected components from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature, the IC automatically shuts down to prevent damage due to overheating.
• Wide Input Voltage Range: The IC can handle a wide range of input voltages, making it suitable for various applications.
• Compact Size: The SOP-8 package ensures a compact footprint, ideal for space-constrained designs.

Advantages and Disadvantages

Advantages: - High efficiency voltage regulation - Overcurrent and thermal shutdown protection - Wide input voltage range - Compact size

Disadvantages: - Limited output current capacity (up to 1.5A)

Working Principles

The BD9845FV-E2 is a step-down voltage regulator that converts a higher input voltage to a lower output voltage. It utilizes a switching mechanism to efficiently regulate the voltage while minimizing power loss. The IC continuously monitors the output voltage and adjusts the switching frequency accordingly to maintain a stable output.

Detailed Application Field Plans

The BD9845FV-E2 is widely used in various electronic devices requiring efficient voltage regulation, such as: - Mobile phones - Tablets - Portable media players - Digital cameras - Portable gaming consoles - IoT devices

Alternative Models

Some alternative models to the BD9845FV-E2 include: - BD9845FV - BD9845FV-E3 - BD9845FV-E4 - BD9845FV-E5

These models offer similar functionality and characteristics, providing flexibility in design choices.

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