LTC6803HG-1#TRPBF

Product Overview

Category

The LTC6803HG-1#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for battery monitoring and balancing applications.

Use

This product is primarily used for monitoring and balancing the voltage levels of individual cells in a battery pack. It provides accurate measurements and ensures that each cell operates within safe limits, thereby maximizing the overall performance and lifespan of the battery.

Characteristics

• High accuracy: The LTC6803HG-1#TRPBF offers precise voltage measurement capabilities, allowing for accurate monitoring of individual cell voltages.
• Balancing functionality: It includes built-in balancing circuitry that can actively equalize the charge across cells, preventing imbalances and extending battery life.
• Robust design: The IC is designed to withstand harsh operating conditions, making it suitable for various battery-powered applications.
• Low power consumption: The LTC6803HG-1#TRPBF is energy-efficient, minimizing power consumption and maximizing battery efficiency.

Package and Quantity

The LTC6803HG-1#TRPBF is available in a compact 48-pin SSOP package. It is typically sold in reels containing a specified quantity of units.

Specifications

• Input Voltage Range: 0V to 5V
• Cell Measurement Resolution: 16 bits
• Maximum Number of Cells: 12
• Operating Temperature Range: -40°C to 85°C
• Communication Interface: SPI (Serial Peripheral Interface)
• Supply Voltage: 2.7V to 5.5V
• Balancing Current: Up to 150mA per cell

Pin Configuration

The LTC6803HG-1#TRPBF features a 48-pin SSOP package with the following pin configuration:

1. VREF-
2. VREF+
3. VDD
4. GND
5. CS
6. SDO
7. SDI
8. SCK
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
39. GPIO31
40. GPIO32
41. GPIO33
42. GPIO34
43. GPIO35
44. GPIO36
45. GPIO37
46. GPIO38
47. GPIO39
48. GPIO40

Functional Features

The LTC6803HG-1#TRPBF offers the following functional features:

1. Cell voltage measurement: It can accurately measure the voltage of each individual cell in a battery pack.
2. Balancing control: The IC includes built-in balancing circuitry to actively equalize the charge across cells, preventing imbalances and improving overall battery performance.
3. Fault detection: It can detect various faults such as overvoltage, undervoltage, and open-wire conditions, ensuring the safety and reliability of the battery system.
4. Communication interface: The LTC6803HG-1#TRPBF utilizes the SPI communication protocol for easy integration with microcontrollers or other control systems.
5. Low power consumption: The IC is designed to minimize power consumption, allowing for efficient battery operation and extended battery life.

Advantages and Disadvantages

Advantages

• Accurate voltage measurement ensures precise monitoring of individual cell voltages.
• Built-in balancing circuitry prevents imbalances and extends battery life.
• Robust design allows for reliable operation in harsh environments.
• Low power consumption maximizes battery efficiency.

Disadvantages

• Limited to a maximum of 12 cells per IC.
• Requires external microcontroller or control system for full functionality.

Working Principles

The LTC6803HG-1#TRPBF operates by measuring the voltage of each cell in a battery pack using its high-resolution analog-to-digital converters (ADCs). It then compares these measurements to predefined thresholds to detect any abnormalities or imbalances. If imbalances are detected, the IC activates the built-in balancing circuitry to equalize the charge across cells, ensuring optimal performance and longevity of the battery.

Detailed Application Field Plans

The LTC6803HG-1#TRPBF is widely used