BU2099FV-E2

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC for Battery Charging

Characteristics: - High efficiency - Fast charging capability - Multiple protection features - Compact size - Low power consumption

Package: SOP-8

Essence: The BU2099FV-E2 is a power management IC specifically designed for battery charging applications. It offers high efficiency and fast charging capabilities while providing multiple protection features to ensure safe and reliable charging.

Packaging/Quantity: The BU2099FV-E2 is available in a SOP-8 package. It is typically sold in reels containing 2500 units.

Specifications

• Input Voltage Range: 4.5V - 6.5V
• Charging Current Range: 100mA - 1.5A
• Charging Voltage: 4.2V
• Operating Temperature Range: -40°C to +85°C
• Standby Current: <1µA
• Overvoltage Protection: Yes
• Overcurrent Protection: Yes
• Short Circuit Protection: Yes
• Thermal Shutdown: Yes

Detailed Pin Configuration

The BU2099FV-E2 has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground
3. EN: Enable pin
4. PROG: Programming pin
5. BAT: Battery connection
6. STAT: Status output
7. VREF: Reference voltage output
8. OUT: Charging current output

Functional Features

• Constant current and constant voltage charging modes
• Automatic detection of battery status
• LED indication for charging status
• Soft-start function to prevent excessive current surge
• Timer function to terminate charging after a specified time
• Reverse polarity protection
• Over-temperature protection

Advantages and Disadvantages

Advantages: - High efficiency charging - Fast charging capability - Multiple protection features ensure safety - Compact size allows for easy integration - Low power consumption

Disadvantages: - Limited input voltage range (4.5V - 6.5V) - Limited charging current range (100mA - 1.5A)

Working Principles

The BU2099FV-E2 operates based on the principle of constant current and constant voltage charging. It automatically detects the battery status and adjusts the charging mode accordingly. The IC provides a regulated charging current until the battery voltage reaches the preset level, after which it switches to constant voltage mode to maintain the battery at the desired voltage.

Detailed Application Field Plans

The BU2099FV-E2 is widely used in various portable electronic devices that require battery charging capabilities. Some common application fields include: - Smartphones and tablets - Portable gaming consoles - Wearable devices - Bluetooth speakers - Power banks

Detailed and Complete Alternative Models

• BU2098FV-E2
• BU2100FV-E2
• BU2101FV-E2
• BU2102FV-E2
• BU2103FV-E2

These alternative models offer similar functionality and can be used as replacements for the BU2099FV-E2 depending on specific requirements.

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