LTC4001EUF-1#PBF

Product Overview

Category

The LTC4001EUF-1#PBF belongs to the category of integrated circuits (ICs) used in power management applications.

Use

This IC is primarily used for battery charging and power management purposes.

Characteristics

• The LTC4001EUF-1#PBF is a high-performance battery charger controller.
• It offers a wide input voltage range, making it suitable for various applications.
• This IC supports multiple charging algorithms, including constant current/constant voltage (CC/CV) charging.
• It provides accurate charge termination and battery temperature monitoring.
• The LTC4001EUF-1#PBF features a programmable charge current limit and input current limit.
• It incorporates a variety of safety features, such as overvoltage protection and thermal shutdown.

Package

The LTC4001EUF-1#PBF is available in a 16-lead plastic QFN (Quad Flat No-Lead) package.

Essence

The essence of the LTC4001EUF-1#PBF lies in its ability to efficiently and reliably manage battery charging processes while ensuring safety and optimal performance.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 4.5V to 36V
• Charge Voltage Range: 2.5V to 35V
• Maximum Charge Current: 4A
• Operating Temperature Range: -40°C to 85°C
• Control Interface: I2C-compatible

Detailed Pin Configuration

The LTC4001EUF-1#PBF has a total of 16 pins. Here is the detailed pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VCC: Supply voltage pin
4. SDA: I2C data input/output pin
5. SCL: I2C clock input pin
6. INTVCC: Interrupt output pin
7. TS: Battery temperature sense pin
8. PROG: Charge current programming pin
9. STAT: Status output pin
10. BAT: Battery connection pin
11. TIMER: Timer capacitor pin
12. ILIM: Input current limit programming pin
13. VREF: Reference voltage output pin
14. FLT: Fault output pin
15. NC: No connect pin
16. NC: No connect pin

Functional Features

• Multiple charging algorithms for versatile battery charging options.
• Accurate charge termination and battery temperature monitoring for enhanced safety.
• Programmable charge current limit and input current limit for flexibility.
• Integrated safety features, including overvoltage protection and thermal shutdown.
• I2C-compatible control interface for easy integration into existing systems.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for compatibility with various power sources.
• Supports multiple charging algorithms, providing flexibility for different battery types.
• Accurate charge termination ensures optimal battery performance and longevity.
• Safety features protect the battery and the charging system from potential damage.
• Programmable current limits offer customization options for specific applications.

Disadvantages

• Limited maximum charge current of 4A may not be suitable for high-power applications.
• Requires an external microcontroller or I2C interface for control and monitoring.

Working Principles

The LTC4001EUF-1#PBF operates by regulating the charging process based on the selected charging algorithm. It monitors the battery voltage, current, and temperature to ensure safe and efficient charging. The IC adjusts the charge current and voltage according to the programmed settings and terminates the charging process when the battery reaches the desired voltage or temperature limits.

Detailed Application Field Plans

The LTC4001EUF-1#PBF finds applications in various fields, including: - Portable electronic devices - Battery-powered equipment - Industrial automation systems - Automotive electronics - Renewable energy systems

In portable electronic devices, this IC can be used to charge lithium-ion batteries in smartphones, tablets, and wearable devices. In battery-powered equipment, it enables efficient charging of batteries used in cordless power tools, electric vehicles, and drones. Industrial automation systems can benefit from the LTC4001EUF-1#PBF for charging backup batteries in critical control units. Automotive electronics can utilize this IC for managing battery charging in electric vehicles and hybrid cars. Additionally, renewable energy systems, such as solar power installations, can employ the LTC4001EUF-1#PBF for charging and managing battery banks.

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the LTC4001EUF-1#PBF:

1. MAX8903A: Battery charger controller with integrated power path management.
2. BQ24650: High-eff