LTC4052EMS8E-4.2#PBF

Product Overview

Category

The LTC4052EMS8E-4.2#PBF belongs to the category of battery charger ICs (Integrated Circuits).

Use

This product is primarily used for charging single-cell lithium-ion/polymer batteries.

Characteristics

• Input Voltage Range: 4.5V to 6.5V
• Charge Current: Up to 800mA
• Programmable Charge Current: 100mA to 800mA
• Battery Regulation Voltage: 4.2V ±1%
• Preconditioning Mode: Trickle charge with automatic recharge
• Package Type: MSOP-8 (Mini Small Outline Package)
• Essence: High-performance battery charger IC with programmable charge current and automatic recharge functionality.
• Packaging/Quantity: The LTC4052EMS8E-4.2#PBF is available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 6.5V
• Charge Current Range: 100mA to 800mA
• Battery Regulation Voltage: 4.2V ±1%
• Preconditioning Mode: Trickle charge with automatic recharge
• Charge Termination: C/10 detection, minimum time, and maximum time
• Charge Status Output: Open-drain output pin
• Operating Temperature Range: -40°C to +85°C
• Package Type: MSOP-8

Detailed Pin Configuration

The LTC4052EMS8E-4.2#PBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. PROG: Charge current programming pin
4. STAT: Charge status output pin
5. BAT: Battery connection pin
6. N/C: No connection
7. N/C: No connection
8. VBAT: Battery voltage sense pin

Functional Features

• Programmable charge current allows flexibility in charging different battery capacities.
• Automatic recharge feature ensures the battery remains fully charged.
• Charge status output pin provides information on the charging process.
• Preconditioning mode enables trickle charging for deeply discharged batteries.
• Wide operating temperature range makes it suitable for various environments.

Advantages and Disadvantages

Advantages

• Programmable charge current allows customization for different battery sizes.
• Automatic recharge feature ensures continuous battery availability.
• Preconditioning mode helps recover deeply discharged batteries.
• Wide operating temperature range enhances versatility.

Disadvantages

• Limited to single-cell lithium-ion/polymer battery charging.
• Requires an external power source within the specified input voltage range.

Working Principles

The LTC4052EMS8E-4.2#PBF operates by regulating the charging current and monitoring the battery voltage during the charging process. It uses a programmable charge current, which can be set using the PROG pin. The IC also incorporates an automatic recharge feature that initiates charging whenever the battery voltage drops below a certain threshold. The charge status output pin provides information on the charging process, allowing the user to monitor the progress.

Detailed Application Field Plans

The LTC4052EMS8E-4.2#PBF is widely used in portable electronic devices such as smartphones, tablets, digital cameras, and portable media players. It is also utilized in medical devices, wireless communication devices, and other battery-powered applications where single-cell lithium-ion/polymer batteries are employed.

Detailed and Complete Alternative Models

1. MCP73831T-2ACI/OT: Single-cell Li-Ion/Li-Po battery charger with similar specifications and package type.
2. MAX1555EZK+T: Standalone single-cell Li-Ion battery charger with programmable charge current and similar package type.
3. BQ24075RGTR: Single-cell Li-Ion/Li-Po battery charger with integrated power path management and similar package type.

These alternative models offer similar functionality and can be considered as alternatives to the LTC4052EMS8E-4.2#PBF.

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