LTC6811HG-2#PBF

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LTC6811HG-2#PBF

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IC BATT MON MULTI 1-12C 48SSOP

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Attribut Wert
Package / Case Tube
Part Status Active
Function Battery Monitor
Battery Chemistry Multi-Chemistry
Number of Cells 1 ~ 12
Fault Protection Over Temperature
Interface SPI
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount

Übersicht

Description

The LTC6811HG-2#PBF is a precision battery monitor IC designed by Analog Devices for managing battery packs in electric vehicles and other large battery applications. It's part of the LTC6811 family and is specifically engineered to monitor up to 12 individual battery cells connected in series, providing accurate voltage measurements.
The "-2" designation indicates its capability to interface with a microcontroller via a 1.5 Mbps SPI-compatible serial interface. The device includes built-in diagnostics, balancing functions, and features to ensure safe and efficient operation of battery systems. It supports both passive and active balancing, enhancing the performance and lifespan of the battery.
The LTC6811HG-2#PBF offers high precision with an error typically less than 2mV, making it suitable for high-reliability applications. Its robust design includes tolerance to high voltages and it features a wide operating temperature range. Additionally, the "#PBF" suffix indicates that the part is lead-free and RoHS compliant. Overall, the LTC6811HG-2#PBF is a versatile and reliable choice for advanced battery management systems.

Equivalent

The LTC6811HG-2#PBF is a battery monitor IC by Analog Devices (formerly Linear Technology). Equivalent products include:
1. Texas Instruments BQ76PL455A: A battery management IC with similar functionality.
2. Maxim Integrated (now part of Analog Devices) MAX17841B: Another alternative for battery monitoring.
3. NXP MC33771: A battery cell controller with comparable features.
Always verify compatibility in specifications and application requirements before selection.

Features

The LTC6811HG-2#PBF is a multi-cell battery monitor integrated circuit designed for electric vehicles and energy storage systems. It supports up to 12 series-connected battery cells, enabling accurate voltage measurement for each cell. Key features include:
1. High Accuracy: It offers a cell voltage measurement accuracy of ±0.04% over the entire temperature range.

2. Daisy-Chain Communication: The device supports stackable communication, allowing multiple ICs to be connected in a daisy-chain configuration for larger battery packs.

3. Integrated ADC: It includes a 16-bit ADC for precise voltage measurements.

4. Comprehensive Diagnostics: The IC provides extensive diagnostics and fault detection features, enhancing reliability and safety.

5. Low Power Consumption: It is designed to minimize power usage, making it suitable for battery-powered applications.

6. Robust Design: Operates effectively across a wide temperature range and includes fault detection mechanisms for enhanced safety.

7. Flexible Configurations: Compatible with a variety of battery chemistries and configurations, offering flexibility in system design.
This makes it ideal for applications requiring reliable and precise battery management solutions.

Pinout

The LTC6811HG-2#PBF is a multi-cell battery monitor integrated circuit. It comes in a 48-lead SSOP package. This chip is designed to monitor up to 12 series-connected battery cells. It provides accurate battery cell voltage measurements, internal temperature monitoring, and has a precision reference for ADC measurements.
The primary function of the LTC6811HG-2#PBF is to ensure safe and reliable monitoring and management of battery packs by measuring cell voltages and temperatures. It integrates a 12-bit ADC and multiple internal diagnostics to support robust battery management systems. Additionally, the "-2" version refers specifically to its daisy-chain communication capability, allowing multiple devices to be connected in series for larger battery packs. This IC is popular in electric vehicles and energy storage systems, due to its high accuracy, reliability, and the ability to handle high cell counts effectively.

Manufacturer

The LTC6811HG-2#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. The company is known for its high-performance analog technology and is a key player in the fields of data conversion, signal processing, power management, RF, and sensors. Analog Devices serves a wide range of markets, including industrial, automotive, communications, healthcare, and consumer electronics.

Application

The LTC6811HG-2#PBF is a battery monitor IC used primarily in applications requiring precise battery management and monitoring. It is commonly used in electric vehicles (EVs), hybrid electric vehicles (HEVs), and energy storage systems for monitoring battery cell voltages and ensuring safe and efficient battery operation. Additionally, it is utilized in uninterruptible power supplies (UPS), grid energy storage, and industrial battery management systems. The IC features a high-performance data acquisition system and is designed to maintain optimal battery performance and safety by providing accurate measurements and diagnostics.

Package

The LTC6811HG-2#PBF is typically available in a 44-lead plastic thin shrink small outline package (TSSOP) with a heat sink pad, noted as "HG" in the part number. The "PBF" suffix indicates it is lead-free and RoHS compliant.

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