LTC4012CUF-1#TRPBF

Product Overview

Category

The LTC4012CUF-1#TRPBF belongs to the category of battery charger ICs (Integrated Circuits).

Use

This product is primarily used for charging lithium-ion batteries.

Characteristics

• The LTC4012CUF-1#TRPBF is a highly efficient battery charger IC.
• It supports fast charging and provides accurate charge termination.
• This IC offers a wide input voltage range, making it suitable for various applications.
• It incorporates a comprehensive set of safety features to protect the battery during charging.

Package

The LTC4012CUF-1#TRPBF is available in a small form factor QFN (Quad Flat No-Lead) package.

Essence

The essence of the LTC4012CUF-1#TRPBF lies in its ability to efficiently and safely charge lithium-ion batteries.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 35V
• Charging Current Range: Up to 4A
• Charge Termination Options: C/10, C/20, C/40, or fixed timer
• Operating Temperature Range: -40°C to 85°C
• Battery Voltage Regulation Accuracy: ±0.5%
• Charge Current Regulation Accuracy: ±5%

Detailed Pin Configuration

The LTC4012CUF-1#TRPBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. PROG: Programming pin for setting charge termination options
4. ISET: Pin for setting the charge current
5. BAT: Battery connection pin
6. STAT: Status output pin
7. TS: Temperature sense pin
8. VCC: Supply voltage pin

Functional Features

• Accurate charge termination based on various options (C/10, C/20, C/40, or fixed timer).
• High charging efficiency, minimizing power loss during the charging process.
• Comprehensive safety features, including overvoltage protection, overcurrent protection, and thermal shutdown.
• Wide input voltage range allows for versatile applications.
• Integrated temperature sensing for monitoring battery temperature during charging.

Advantages and Disadvantages

Advantages

• Efficient and accurate charging of lithium-ion batteries.
• Wide input voltage range provides flexibility in application.
• Comprehensive safety features protect the battery from damage.
• Small form factor package enables space-saving designs.

Disadvantages

• Limited to charging lithium-ion batteries only.
• Requires external components for complete charging circuit implementation.

Working Principles

The LTC4012CUF-1#TRPBF operates by regulating the charging current and monitoring the battery voltage and temperature. It uses a combination of charge termination options, such as C/10, C/20, C/40, or fixed timer, to accurately determine when the battery is fully charged. The IC also incorporates safety features to prevent overcharging, overcurrent, and overheating of the battery.

Detailed Application Field Plans

The LTC4012CUF-1#TRPBF finds applications in various fields, including: 1. Portable electronic devices: Charging batteries in smartphones, tablets, and portable gaming consoles. 2. Medical devices: Charging batteries in medical equipment such as portable monitors and infusion pumps. 3. Industrial equipment: Charging batteries in handheld tools, wireless sensors, and remote monitoring devices. 4. Automotive: Charging batteries in electric vehicles and hybrid electric vehicles.

Detailed and Complete Alternative Models

1. LTC4000-1: A similar battery charger IC with additional power path management features.
2. LTC4011: A battery charger IC specifically designed for lead-acid batteries.
3. MCP73871: An alternative IC for charging lithium-ion batteries with similar specifications.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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