LTC6812HLWE-1#3ZZTRPBF

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LTC6812HLWE-1#3ZZTRPBF

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15 CHANNEL MULTICELL BATT STACK

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Attribut Wert
Package / Case Tape & Reel (TR)
Part Status Active
Function Battery Monitor
Battery Chemistry Multi-Chemistry
Number of Cells 1 ~ 15
Fault Protection Over/Under Voltage
Interface I²C, SPI
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount

Übersicht

Description

The LTC6812HLWE-1#3ZZTRPBF is a high-performance battery monitoring IC manufactured by Analog Devices. It is specifically designed for monitoring the state of lithium-ion battery cells in automotive and industrial applications. The IC can manage up to 12 series-connected battery cells, providing accurate measurements of cell voltages, temperatures, and other parameters.
Key features include:
1. Precision and Accuracy: High-resolution ADCs ensure precise voltage measurements, an essential factor for battery management systems (BMS).
2. Stackable Architecture: Multiple LTC6812 devices can be stacked to manage battery strings of any length, which is crucial for electric vehicles.
3. Robust Communication: The device supports SPI or isoSPI interfaces, ensuring reliable communication even in high-noise environments.
4. Safety Features: Includes diagnostic and fault detection capabilities, enhancing the safety and reliability of battery systems.
5. Low Power Consumption: Optimized for low power draw to extend battery life.
Overall, the LTC6812HLWE-1#3ZZTRPBF is an essential component for efficient and safe battery management in demanding applications.

Equivalent

The LTC6812HLWE-1#3ZZTRPBF is a battery monitoring IC from Analog Devices. Equivalent products from other manufacturers might include:
1. Texas Instruments BQ76942: A battery monitor for 3-10 series cells.
2. Maxim Integrated MAX17843: A high-voltage battery monitor for electric vehicles.
3. Renesas ISL78610: A Li-ion battery monitoring IC for automotive applications.
Ensure compatibility with your specific requirements, as specifications may vary.

Features

The LTC6812HLWE-1#3ZZTRPBF is a precision battery monitoring IC designed for high-voltage battery systems. Key features include:
1. Battery Monitoring: Supports up to 12 cell voltage measurements in series with a total measurement range of 0V to 5V per cell.
2. Accuracy: Offers high measurement accuracy with a typical total measurement error of ±1.2mV.
3. Galvanic Isolation: Provides 1000Vrms isolation for safety and noise immunity.
4. Temperature Measurement: Supports temperature monitoring using external thermistors.
5. Cell Balancing: Includes passive cell balancing with built-in MOSFETs.
6. Communication Interface: Utilizes an SPI interface for communication and supports daisy-chaining for monitoring multiple ICs.
7. Fault Detection: Features built-in fault diagnostics for open-wire detection and over/under-voltage alerts.
8. Low Power Consumption: Optimized for low power usage in both active and standby modes.
9. Operating Temperature: Functions effectively within a range of -40°C to 125°C.
These features make it suitable for automotive, industrial, and energy storage applications.

Pinout

The LTC6812HLWE-1#3ZZTRPBF is a battery monitoring IC from Analog Devices that is typically used in battery management systems for electric vehicles and energy storage systems. It is part of the LTC681x family of multicell battery stack monitors. This particular model features:
1. Pin Count: The LTC6812HLWE-1 comes in a 48-pin package.

2. Function: This IC is designed to monitor up to 12 series-connected battery cells. It performs accurate voltage measurement for each cell and includes features like:
- Cell voltage measurement with high accuracy.
- Integrated diagnostics for robust operation.
- Passive balancing control for each cell.
- SPI-compatible interface for communication with a host processor.
- Daisy-chain capability for stacking multiple ICs in series for larger battery packs.
These functions make the LTC6812HLWE-1 ideal for applications requiring precise battery management and monitoring, ensuring safety and efficiency in multi-cell battery configurations.

Manufacturer

The LTC6812HLWE-1#3ZZTRPBF is manufactured by Analog Devices, Inc. Analog Devices is a leading global technology company known for designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These components are used in various applications, including industrial, automotive, consumer electronics, and communication sectors. Analog Devices is recognized for its innovation in high-performance signal processing and is a key supplier in industries that require precise measurement and control solutions. The company focuses on providing products that offer superior performance, reliability, and efficiency, enabling advancements in technology across multiple domains.

Application

The LTC6812HLWE-1#3ZZTRPBF is a battery monitoring IC commonly used in applications such as electric vehicles, hybrid vehicles, energy storage systems, and industrial battery management systems. It is designed for precision monitoring and balancing of lithium-ion battery cells, making it suitable for ensuring the safety, reliability, and efficiency of high-performance battery packs. It supports up to 12 cells in series and includes features like cell voltage measurement, temperature monitoring, and fault diagnostics, which are essential for managing large battery arrays.

Package

The LTC6812HLWE-1#3ZZTRPBF is typically available in a leadless QFN (Quad Flat No-leads) package. This package type is designed for efficient thermal performance and compact size, making it suitable for applications in battery management systems.

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