LTC6810HG-2#3ZZTRPBF

Overview

Product Category

The LTC6810HG-2#3ZZTRPBF belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• High accuracy: The LTC6810HG-2#3ZZTRPBF offers precise voltage measurement and balancing capabilities, ensuring accurate monitoring and control of battery cells.
• Multi-cell support: It can handle up to 12 series-connected battery cells, making it suitable for a wide range of applications.
• Low power consumption: The IC operates with low power consumption, minimizing energy loss during battery management operations.
• Robust design: The LTC6810HG-2#3ZZTRPBF is designed to withstand harsh environmental conditions, ensuring reliable performance in various applications.

Package and Quantity

The LTC6810HG-2#3ZZTRPBF is available in a compact surface-mount package. It is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Voltage Measurement Range: 0V to 5V
• Voltage Measurement Accuracy: ±0.05%
• Balancing Current: Up to 100mA per cell
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 2.7V to 5.5V
• Communication Interface: SPI (Serial Peripheral Interface)
• Dimensions: 4mm x 4mm

Pin Configuration

The LTC6810HG-2#3ZZTRPBF features a 32-pin package with the following pin configuration:

1. VREF-
2. VREF+
3. GND
4. GPIO1
5. GPIO2
6. GPIO3
7. GPIO4
8. GPIO5
9. GPIO6
10. GPIO7
11. GPIO8
12. GPIO9
13. GPIO10
14. GPIO11
15. GPIO12
16. CSB
17. SDO
18. SDI
19. SCK
20. WAKE
21. MISO
22. MOSI
23. SCLK
24. SS
25. VDD
26. VSS
27. VREF2-
28. VREF2+
29. REFOUT
30. REFOUT2
31. ALERT
32. VREF1

Functional Features

• Voltage Measurement: The LTC6810HG-2#3ZZTRPBF can accurately measure the voltage of each battery cell in a stack, providing essential information for monitoring and control purposes.
• Balancing: It supports active balancing of battery cells, ensuring that each cell is charged and discharged evenly, thereby maximizing the overall battery performance and lifespan.
• Communication Interface: The IC utilizes the SPI interface for seamless communication with external devices, enabling easy integration into battery management systems.

Advantages and Disadvantages

Advantages

• High accuracy voltage measurement
• Multi-cell support
• Low power consumption
• Robust design for harsh environments
• Active balancing capability

Disadvantages

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

Working Principles

The LTC6810HG-2#3ZZTRPBF operates by measuring the voltage across each battery cell using an internal analog-to-digital converter (ADC). It then communicates this data to an external microcontroller or host system via the SPI interface. The IC also controls the balancing process by actively redistributing charge among the cells to maintain their voltages within a specified range.

Detailed Application Field Plans

The LTC6810HG-2#3ZZTRPBF finds extensive use in various applications, including: 1. Electric vehicles (EVs) and hybrid electric vehicles (HEVs) 2. Renewable energy storage systems 3. Uninterruptible power supplies (UPS) 4. Portable electronic devices 5. Medical equipment

Detailed and Complete Alternative Models

1. LTC6804: Similar to the LTC6810HG-2#3ZZTRPBF, this IC is designed for battery management systems and supports multi-cell voltage measurement and balancing.
2. BQ76930: A competing product from Texas Instruments, offering similar functionality for lithium-ion battery monitoring and balancing applications.

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