LTC6803IG-1#TRPBF

Product Overview

Category

The LTC6803IG-1#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

• The LTC6803IG-1#TRPBF is a high-performance, multi-cell battery stack monitor.
• It provides accurate voltage measurements and cell balancing capabilities.
• The device operates over a wide temperature range and is suitable for various battery chemistries.
• It offers low power consumption and high noise immunity.

Package

The LTC6803IG-1#TRPBF is available in a 38-pin SSOP (Shrink Small Outline Package) package.

Essence

The essence of this product lies in its ability to accurately monitor and balance the voltage levels of individual battery cells within a stack.

Packaging/Quantity

The LTC6803IG-1#TRPBF is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: -0.3V to +5V
• Cell Voltage Measurement Range: 0V to 5V
• Number of Cells Monitored: Up to 12 cells
• Communication Interface: SPI (Serial Peripheral Interface)
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 2.7V to 5.5V
• Power Consumption: 10μA (typical)

Detailed Pin Configuration

The LTC6803IG-1#TRPBF features a total of 38 pins. The pin configuration is as follows:

1. VREF-
2. VREF+
3. VDD
4. GND
5. CS
6. SDO
7. SCK
8. SDI
9. GPIO1
10. GPIO2
11. GPIO3
12. GPIO4
13. GPIO5
14. GPIO6
15. GPIO7
16. GPIO8
17. GPIO9
18. GPIO10
19. GPIO11
20. GPIO12
21. GPIO13
22. GPIO14
23. GPIO15
24. GPIO16
25. GPIO17
26. GPIO18
27. GPIO19
28. GPIO20
29. GPIO21
30. GPIO22
31. GPIO23
32. GPIO24
33. GPIO25
34. GPIO26
35. GPIO27
36. GPIO28
37. GPIO29
38. GPIO30

Functional Features

• Accurate cell voltage measurement for up to 12 cells.
• Integrated balancing circuitry for equalizing cell voltages.
• Fault detection and reporting capabilities.
• Daisy-chainable for monitoring large battery stacks.
• Programmable under-voltage and over-voltage thresholds.
• Low-power sleep mode for extended battery life.

Advantages and Disadvantages

Advantages

• High accuracy in cell voltage measurements.
• Efficient cell balancing functionality.
• Wide operating temperature range.
• Low power consumption.
• Comprehensive fault detection features.

Disadvantages

• Limited number of cells that can be monitored (up to 12).
• Requires external microcontroller for full system integration.
• Relatively high cost compared to simpler battery monitoring solutions.

Working Principles

The LTC6803IG-1#TRPBF operates by measuring the voltage of each individual battery cell in a stack using an internal analog-to-digital converter (ADC). These measurements are then processed and communicated to an external microcontroller via the SPI interface. The device also includes integrated balancing circuitry, which actively equalizes the voltage levels of cells to ensure optimal performance and longevity of the battery pack.

Detailed Application Field Plans

The LTC6803IG-1#TRPBF is widely used in various applications that require accurate monitoring and management of multi-cell lithium-ion battery packs. Some common application fields include:

1. Electric vehicles (EVs) and hybrid electric vehicles (HEVs)
2. Uninterruptible power supplies (UPS)
3. Renewable energy storage systems
4. Portable medical devices
5. Industrial equipment and machinery

Detailed and Complete Alternative Models

1. LTC6803-1#TRPBF: Similar to LTC6803IG-1#TRPBF, but with a different pin configuration.
2. LTC6803-2#TRPBF: Monitors up to 16 cells instead of 12.
3. LTC6803-3#TRPBF: Offers additional features such as temperature measurement and communication redundancy.

These alternative models provide similar functionality and can be considered based on specific project requirements.

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