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LTC6804IG-2#TRPBF
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LTC6804IG-2#TRPBF

Product Overview

Category

The LTC6804IG-2#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in battery management systems (BMS) for monitoring and balancing multiple lithium-ion battery cells.

Characteristics

  • High accuracy: The LTC6804IG-2#TRPBF offers precise voltage measurement and balancing capabilities.
  • Multi-cell support: It can handle up to 12 series-connected battery cells.
  • Communication interface: The IC supports a daisy-chain configuration, allowing easy communication with other devices.
  • Fault detection: It includes built-in diagnostics for detecting various battery faults.
  • Low power consumption: The LTC6804IG-2#TRPBF operates efficiently, minimizing power consumption.

Package

The LTC6804IG-2#TRPBF comes in a 38-pin plastic QFN package.

Essence

This product is essential for ensuring the safe and efficient operation of lithium-ion battery packs by accurately monitoring individual cell voltages and enabling cell balancing.

Packaging/Quantity

The LTC6804IG-2#TRPBF is typically sold in reels containing 250 units per reel.

Specifications

  • Voltage Measurement Range: 0V to 5V
  • Cell Balancing Current: Up to 100mA
  • Operating Temperature Range: -40°C to +85°C
  • Supply Voltage Range: 2.7V to 5.5V
  • Communication Interface: SPI (Serial Peripheral Interface)
  • Dimensions: 6mm x 6mm x 0.75mm

Detailed Pin Configuration

The LTC6804IG-2#TRPBF features a total of 38 pins. Here is a brief overview of the pin functions:

  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. GPIO19
  22. GPIO20
  23. GPIO21
  24. GPIO22
  25. GPIO23
  26. GPIO24
  27. GPIO25
  28. GPIO26
  29. GPIO27
  30. GPIO28
  31. GPIO29
  32. GPIO30
  33. GPIO31
  34. GPIO32
  35. GPIO33
  36. GPIO34
  37. GPIO35
  38. VREF

Functional Features

  • Voltage measurement: The LTC6804IG-2#TRPBF can accurately measure the voltage of each battery cell.
  • Cell balancing: It enables active balancing of individual cells to ensure uniform charge levels.
  • Fault detection: The IC includes various diagnostic features for detecting overvoltage, undervoltage, and other battery faults.
  • Daisy-chain communication: The device supports a daisy-chain configuration, simplifying communication with other devices in the system.
  • Low power mode: It offers a low-power sleep mode to minimize power consumption when not actively measuring or balancing.

Advantages and Disadvantages

Advantages

  • High accuracy voltage measurement
  • Efficient cell balancing capabilities
  • Comprehensive fault detection features
  • Easy integration with other devices through daisy-chain communication
  • Low power consumption

Disadvantages

  • Limited to lithium-ion battery applications
  • Requires external components for complete battery management system implementation

Working Principles

The LTC6804IG-2#TRPBF operates by measuring the voltage of each battery cell using an internal analog-to-digital converter (ADC). It then compares these voltages to predefined thresholds to detect any faults. If imbalances are detected, the IC activates the cell balancing circuitry to equalize the charge levels across the cells.

The device communicates with other components in the system through the SPI interface, allowing for data exchange and control. The LTC6804IG-2#TRPBF can be configured to operate in different modes, such as continuous monitoring or periodic measurements to optimize power consumption.

Detailed Application Field Plans

The LTC6804IG-2#TRPBF is primarily used in battery management systems for various applications, including:

  1. Electric vehicles: Ensuring the safety and efficiency of lithium-ion battery packs used in electric vehicles.
  2. Renewable energy storage: Monitoring and balancing battery cells in solar or wind energy storage systems.
  3. Portable electronics: Managing battery packs in laptops, smartphones, and other portable devices.
  4. Uninterruptible power supplies (UPS): Maintaining optimal performance and extending the lifespan of UPS battery banks.

Detailed and Complete Alternative Models

  1. LTC6804-

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät LTC6804IG-2#TRPBF :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of LTC6804IG-2#TRPBF:

  1. Q: What is LTC6804IG-2#TRPBF? A: LTC6804IG-2#TRPBF is a high-precision battery stack monitor IC designed for multi-cell battery monitoring applications.

  2. Q: What is the maximum number of cells that can be monitored using LTC6804IG-2#TRPBF? A: LTC6804IG-2#TRPBF can monitor up to 12 series-connected battery cells.

  3. Q: How does LTC6804IG-2#TRPBF measure cell voltages? A: LTC6804IG-2#TRPBF measures cell voltages using an integrated 16-bit delta-sigma ADC.

  4. Q: Can LTC6804IG-2#TRPBF measure temperature as well? A: Yes, LTC6804IG-2#TRPBF has built-in temperature measurement capability for each cell.

  5. Q: What communication interface does LTC6804IG-2#TRPBF support? A: LTC6804IG-2#TRPBF supports a daisy-chainable SPI interface for communication with a microcontroller or host system.

  6. Q: Is LTC6804IG-2#TRPBF suitable for automotive applications? A: Yes, LTC6804IG-2#TRPBF is designed to meet the stringent requirements of automotive applications.

  7. Q: Can LTC6804IG-2#TRPBF detect overvoltage and undervoltage conditions? A: Yes, LTC6804IG-2#TRPBF has built-in overvoltage and undervoltage detection circuits for each cell.

  8. Q: Does LTC6804IG-2#TRPBF have any built-in balancing functionality? A: No, LTC6804IG-2#TRPBF does not have built-in cell balancing functionality. External balancing circuitry is required.

  9. Q: What is the operating voltage range of LTC6804IG-2#TRPBF? A: The operating voltage range of LTC6804IG-2#TRPBF is typically between 2.7V and 5.5V.

  10. Q: Are there any evaluation boards or development kits available for LTC6804IG-2#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) offers evaluation boards and development kits for LTC6804IG-2#TRPBF to aid in the design and testing process.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and application notes for detailed information.