LTC6810HG-1#3ZZPBF

Product Overview

Category

The LTC6810HG-1#3ZZPBF belongs to the category of integrated circuits (ICs) specifically designed for battery monitoring applications.

Use

This product is primarily used for accurately measuring and monitoring the voltage levels of individual battery cells within a battery stack. It provides essential information for ensuring the safe and efficient operation of battery systems.

Characteristics

• High precision: The LTC6810HG-1#3ZZPBF offers exceptional accuracy in measuring battery cell voltages, enabling precise monitoring and control.
• Wide operating range: It can operate over a wide voltage range, making it suitable for various battery types and configurations.
• Low power consumption: This IC is designed to minimize power consumption, ensuring minimal impact on overall battery performance.
• Robust design: The LTC6810HG-1#3ZZPBF is built to withstand harsh environmental conditions, making it suitable for demanding applications.
• Integrated functionality: It incorporates multiple features such as cell balancing, temperature monitoring, and fault detection, enhancing battery management capabilities.

Package and Quantity

The LTC6810HG-1#3ZZPBF is available in a compact and industry-standard 48-pin SSOP (Shrink Small Outline Package). It is typically sold in reels containing a specified quantity of units, usually 250 or 1000 per reel.

Specifications

• Input Voltage Range: 0V to 5V
• Cell Voltage Measurement Accuracy: ±0.05%
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 2.7V to 5.5V
• Communication Interface: SPI (Serial Peripheral Interface)
• Cell Balancing Current: Up to 150mA per cell
• Fault Detection: Overvoltage, undervoltage, and overtemperature protection

Pin Configuration

The LTC6810HG-1#3ZZPBF features a 48-pin SSOP package with the following pin configuration:

Functional Features

1. Cell Voltage Measurement: The LTC6810HG-1#3ZZPBF can accurately measure the voltage of each battery cell in a stack, providing valuable data for monitoring and control purposes.
2. Cell Balancing: It supports active cell balancing, allowing for equalization of cell voltages to maximize battery performance and lifespan.
3. Temperature Monitoring: The IC includes temperature sensors to monitor the temperature of individual cells, enabling thermal management and preventing overheating.
4. Fault Detection and Protection: It incorporates various protection mechanisms to detect and prevent overvoltage, undervoltage, and overtemperature conditions, ensuring safe operation of the battery system.
5. Communication Interface: The SPI interface facilitates easy integration with microcontrollers or battery management systems, enabling seamless communication and control.

Advantages and Disadvantages

Advantages

• High measurement accuracy ensures precise monitoring and control of battery cells.
• Wide operating range makes it compatible with various battery types and configurations.
• Integrated functionality reduces the need for additional components, simplifying system design.
• Robust design allows for reliable operation in harsh environments.
• Active cell balancing enhances battery performance and extends lifespan.

Disadvantages

• Limited availability in certain regions may pose challenges for procurement.
• Relatively higher cost compared to some alternative models.
• Requires expertise in battery management systems for optimal utilization.

Working Principles

The LTC6810HG-1#3ZZPBF operates by measuring the voltage across each battery cell using an internal analog-to-digital converter (ADC). These measurements are then processed and communicated through the SPI interface to an external microcontroller or battery management system. The IC also incorporates cell balancing circuitry, which actively redistributes charge between cells to maintain balanced voltage levels.

Application Field Plans

The LTC6810HG-1#3ZZPBF finds extensive application in various fields, including: 1. Electric Vehicles (EVs): It enables accurate monitoring and control of battery packs in electric vehicles, ensuring optimal performance and safety. 2. Renewable Energy Systems: The IC is used in battery storage systems for renewable energy sources, allowing efficient utilization and management of stored energy. 3. Uninterruptible Power Supplies (UPS): It plays a crucial role in UPS systems by monitoring battery health and providing real-time information for backup power management. 4. Industrial Equipment: The LTC6810HG-1#3ZZPBF is utilized in industrial applications where reliable battery monitoring is essential, such as in remote monitoring systems and robotics.

Alternative Models

1. LTC6804: This IC offers similar functionality but with a different pin configuration and package type.
2. MAX14920: A comparable alternative with additional features like current measurement capability.
3. BQ76940: Another option with integrated cell balancing