LTC6813ILWE-1#3ZZPBF

Product Overview

Category

The LTC6813ILWE-1#3ZZPBF belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for battery monitoring and management in various applications.

Characteristics

• High precision: The LTC6813ILWE-1#3ZZPBF offers high accuracy in measuring battery parameters.
• Multiple cell monitoring: It can monitor up to 18 series-connected battery cells simultaneously.
• Communication interface: The IC supports a serial communication interface for easy integration into battery management systems.
• Low power consumption: The LTC6813ILWE-1#3ZZPBF is designed to minimize power consumption, making it suitable for energy-efficient applications.
• Robust packaging: The product is housed in a robust package that ensures protection against environmental factors.

Package

The LTC6813ILWE-1#3ZZPBF is available in a small form factor package, which facilitates its integration into space-constrained designs.

Essence

The essence of the LTC6813ILWE-1#3ZZPBF lies in its ability to accurately monitor and manage battery cells, ensuring optimal performance and longevity.

Packaging/Quantity

This product is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Input Voltage Range: 0V to 5V
• Cell Monitoring Channels: 18
• Communication Interface: SPI (Serial Peripheral Interface)
• Operating Temperature Range: -40°C to 85°C
• Supply Voltage: 2.7V to 5.5V
• Resolution: 16 bits
• Accuracy: ±0.25% (typical)

Detailed Pin Configuration

The LTC6813ILWE-1#3ZZPBF features the following pin configuration:

1. VREF-
2. VREF+
3. GPIO1
4. GPIO2
5. GPIO3
6. GPIO4
7. GPIO5
8. GPIO6
9. GPIO7
10. GPIO8
11. GPIO9
12. GPIO10
13. GPIO11
14. GPIO12
15. GPIO13
16. GPIO14
17. GPIO15
18. GPIO16
19. GPIO17
20. GPIO18
21. CSB
22. SDO
23. SDI
24. SCK

Functional Features

• Accurate cell voltage monitoring: The LTC6813ILWE-1#3ZZPBF provides precise measurement of individual battery cell voltages.
• Overvoltage/undervoltage protection: It can detect and alert for overvoltage or undervoltage conditions, ensuring the safety of the battery pack.
• Balancing control: The IC supports active balancing of battery cells, equalizing their charge levels to maximize overall performance.
• Fault detection: The LTC6813ILWE-1#3ZZPBF can identify faulty cells or abnormal behavior, allowing for timely maintenance or replacement.

Advantages and Disadvantages

Advantages

• High accuracy in cell voltage monitoring
• Integrated balancing control functionality
• Robust packaging for enhanced durability
• Low power consumption

Disadvantages

• Relatively higher cost compared to simpler battery monitoring solutions
• Requires expertise in battery management system design and integration

Working Principles

The LTC6813ILWE-1#3ZZPBF operates by measuring the voltage across each battery cell using its integrated analog-to-digital converters (ADCs). These measurements are then processed and communicated through the serial interface to a microcontroller or host system. The IC also incorporates balancing circuitry that actively redistributes charge among cells to maintain their voltage levels within a specified range.

Detailed Application Field Plans

The LTC6813ILWE-1#3ZZPBF finds applications in various fields, including:

1. Electric vehicles: It ensures efficient and safe battery management in electric vehicle powertrains.
2. Renewable energy systems: The IC enables accurate monitoring and control of battery banks in solar or wind energy storage systems.
3. Portable electronics: It can be used in portable devices like laptops, smartphones, and tablets to optimize battery performance and prolong battery life.
4. Uninterruptible power supplies (UPS): The product helps monitor and manage battery banks in UPS systems, ensuring reliable backup power.

Detailed and Complete Alternative Models

1. LTC6803-1: A similar IC from the same manufacturer with slightly different specifications but compatible functionality.
2. MAX14920: An alternative IC from a different manufacturer offering comparable battery monitoring capabilities.
3. BQ76940: Another alternative IC known for its high accuracy and comprehensive battery management features.

These alternative models provide options for designers based on specific requirements and preferences.

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