LTC6804HG-1#3ZZTRPBF

Overview

Product Category

The LTC6804HG-1#3ZZTRPBF belongs to the category of integrated circuits (ICs) specifically designed for battery monitoring applications.

Use

This product is primarily used for monitoring and managing the performance of batteries in various applications, such as electric vehicles, renewable energy systems, and portable electronics.

Characteristics

• High accuracy: The LTC6804HG-1#3ZZTRPBF offers precise measurement capabilities, ensuring accurate monitoring of battery parameters.
• Multi-cell support: It can monitor up to 12 series-connected battery cells simultaneously, providing comprehensive information about each cell's voltage and temperature.
• Fault detection: The LTC6804HG-1#3ZZTRPBF incorporates built-in diagnostics to detect potential faults or abnormalities in the battery system.
• Communication interface: It features a serial communication interface that allows easy integration with microcontrollers or other monitoring systems.
• Low power consumption: This IC is designed to minimize power consumption, making it suitable for battery-powered applications.

Package and Quantity

The LTC6804HG-1#3ZZTRPBF is available in a compact and robust 48-pin SSOP (Shrink Small Outline Package). It is typically sold in reels containing a quantity of 250 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Cell Voltage Measurement Range: 0V to 5V
• Temperature Measurement Range: -40°C to 125°C
• Communication Interface: SPI (Serial Peripheral Interface)
• Operating Temperature Range: -40°C to 85°C
• Dimensions: 9.7mm x 6.4mm x 1.75mm

Pin Configuration

The LTC6804HG-1#3ZZTRPBF has a total of 48 pins. The pin configuration is as follows:

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. GPIO36
39. GPIO37
40. GPIO38
41. GPIO39
42. GPIO40
43. GPIO41
44. GPIO42
45. GPIO43
46. GPIO44
47. GPIO45
48. VREF+

Functional Features

• Cell voltage measurement: The LTC6804HG-1#3ZZTRPBF can accurately measure the voltage of each battery cell in a series-connected configuration.
• Temperature monitoring: It also provides temperature measurement capabilities to ensure safe operation of the battery system.
• Fault detection and diagnostics: The IC incorporates various diagnostic features to detect faults, such as overvoltage, undervoltage, and overtemperature conditions.
• Balancing control: The LTC6804HG-1#3ZZTRPBF supports active balancing of battery cells, allowing for equalization of charge across the cells.
• Communication interface: It utilizes the SPI interface for easy integration with microcontrollers or other monitoring systems.

Advantages and Disadvantages

Advantages

• High accuracy measurement ensures precise battery monitoring.
• Multi-cell support allows comprehensive monitoring of battery packs.
• Built-in diagnostics enable early fault detection and prevention.
• Low power consumption prolongs battery life in portable applications.
• Compact package size facilitates space-constrained designs.

Disadvantages

• Limited to monitoring and management of battery parameters, not suitable for other applications.
• Requires additional external components for complete battery management systems.

Working Principles

The LTC6804HG-1#3ZZTRPBF operates by measuring the voltage and temperature of each battery cell in a series-connected configuration. It utilizes an internal analog-to-digital converter (ADC) to convert the analog voltage readings into digital values. These measurements are then processed and made available through the communication interface.

The IC also incorporates diagnostic features to detect potential faults or abnormalities in the battery system. This includes overvoltage, undervoltage, and overtemperature conditions. The built-in balancing control allows for equalization of charge across the cells, ensuring optimal performance and longevity of the