MAX14921ECS+T

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MAX14921ECS+T

IC BATT MON MULTI 1-16C 80TQFP

  • 제조업체
  • Mfr.부분 #MAX14921ECS+T
  • 패키지 TQFP80
  • 데이터시트
  • 재고 있음3869

100% 원래 &새로운

배송 준비 24 시간

365 일 보장

RFQ 및더 많은 할인

사양

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Battery Monitor
BatteryChemistry Multi-Chemistry
NumberofCells 1 ~ 16
FaultProtection Over Temperature, Over/Under Voltage
Interface SPI
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 80-TQFP

개요

Description

The MAX14921ECS+T is an integrated circuit from Maxim Integrated, designed for applications in battery management systems and high-voltage multiplexer functions. Specifically, it is a 12-channel, high-voltage, analog front-end device that serves as an interface for monitoring cell voltages in battery packs, particularly in electric vehicles or energy storage systems.
Key features of the MAX14921 include:
1. High Precision: It offers accurate cell voltage measurements, which are critical for battery management systems to ensure safety and efficiency.

2. Wide Voltage Range: The device can handle a wide range of voltage inputs, making it suitable for various battery types and configurations.
3. Integrated Balancing: It provides passive cell balancing capabilities, which help maintain uniform charge levels across all cells in a battery pack, thereby enhancing longevity and performance.
4. Robust Communication: The MAX14921 supports SPI (Serial Peripheral Interface) communication, ensuring reliable data transmission and integration with microcontrollers and other digital systems.
5. Thermal Management: Its design includes features for efficient thermal management, crucial for maintaining device performance under varying operational conditions.
Overall, the MAX14921ECS+T is a vital component for sophisticated battery management systems, contributing to the reliable operation of high-voltage battery packs.

Features

The MAX14921ECS+T is an analog front-end IC designed for high-accuracy measurement in energy metering applications. It features 12 channels, each with a high-precision, sigma-delta analog-to-digital converter (ADC) to facilitate multi-phase energy measurement. The device supports simultaneous sampling and is suitable for applications involving polyphase meters.
Key features include a low-drift voltage reference, programmable gain amplifiers for signal conditioning, and an SPI interface for easy integration with microcontrollers. The IC operates over a wide voltage range and is designed for low power consumption. It also incorporates built-in diagnostics to ensure measurement reliability.
The MAX14921ECS+T offers robust performance in dynamic environments, making it ideal for smart grid and industrial applications. Its compact package and advanced features streamline the design of efficient and accurate energy measurement systems.

Package

The MAX14921ECS+T is a battery monitoring IC and is packaged in a 28-pin TQFN (Thin Quad Flat No-Lead) package.

Pinout

The MAX14921ECS+T is a 16-channel, high-accuracy, isolated data acquisition system designed for battery monitoring applications. It features an array of pins to support its versatile functionality. The MAX14921ECS+T comes in a 28-pin TSSOP (Thin Shrink Small Outline Package).
Each pin on the MAX14921ECS+T serves specific functions, which include:
1. Power Supply Pins: For providing power (VDD) and ground (GND) connections.
2. Analog Input Pins: These are connected to the battery cells for monitoring the voltage.
3. SPI Interface Pins: For Serial Peripheral Interface (SPI) communication, allowing data exchange with a microcontroller.
4. Control Pins: Used for controlling and configuring the operational modes of the IC.
5. Other Functional Pins: Such as clock pins and reference voltage pins, which are necessary for accurate measurements and synchronization.
This device is tailored for applications requiring high-precision and isolated voltage measurements across multiple channels, commonly used in battery management systems for electric vehicles and energy storage systems.

Manufacturer

The MAX14921ECS+T is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company that specializes in data conversion and signal processing technology. The company designs and manufactures a wide range of analog, mixed-signal, and digital signal processing integrated circuits used in various electronic equipment. ADI's products serve a broad array of industries, including automotive, communications, consumer electronics, healthcare, and industrial.

Application

The MAX14921ECS+T is commonly used in applications that require high-voltage isolation and data acquisition. It is suitable for battery management systems, particularly in electric vehicles and energy storage systems, as it offers precision cell measurement and balancing. Additionally, it finds use in industrial automation for monitoring and controlling high-voltage systems. Its design supports robust communication and reliable performance in harsh environments, making it ideal for automotive and industrial sectors.

Equivalent

The MAX14921ECS+T is a 12-channel, high-voltage, battery-pack monitor IC by Maxim Integrated. Equivalent products include the TI BQ76940 (for 15 cells) or the LTC6803/LTC6804 series by Analog Devices, which are also used for battery monitoring in multi-cell applications. These alternatives have similar functionalities but may vary in channel count, voltage ranges, or other specifications. Always compare the datasheets to ensure compatibility with your specific requirements.

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