Datasheet > ADBMS6816

ADBMS6816

更新时间： 2024-11-03 14:58:15

品牌	Logo	应用领域
亚德诺 - ADI		电池监控
页数	文件大小	规格书
2页	241K
描述
6通道多节电池电池监控器

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ADBMS6816 数据手册

Data Sheet

ADBMS6816

Multicell Battery Monitor

FEATURES

TYPICAL APPLICATION CIRCUIT

► Measures up to 6 battery cells in series

► Maximum lifetime total measurement error: 1.5 mV

► Stackable architecture supports hundreds of cells

► Built-in isoSPI interface

► 2 Mbps isolated serial communications

► Uses a single twisted pair, up to 20 meters

► Low EMI susceptibility and emissions

► Bidirectional for broken wire protection

► Capacitor or transformer coupled

► Hot plug tolerant without external protection

► Designed for high reliability systems

► Includes redundant cell measurements

► Diagnostic coverage of operational modes

► 304 µs to measure all cells in a system

► 16-bit ADC with programmable noise filter

► Passive cell balancing up to 300 mA per channel with program-

mable PWM

► 7 GPIO or analog inputs

► Temperature or other sensor inputs

► Configurable as an I²C or SPI master

► Accommodates ±5 V busbar voltage

► Sleep state supply current: 5.5 μA

► 48-lead LQFP package with exposed pad

► AEC-Q100 qualified for automotive applications

Figure 1.

APPLICATIONS

► Electric and hybrid electric vehicles

► Backup battery systems

► Grid energy storage

► High power portable equipment

GENERAL DESCRIPTION

The ADBMS6816 is a multicell battery stack monitor that measures

up to six series connected battery cells with a lifetime total meas-

urement error (TME) of less than 1.5 mV. The cell measurement

range of 0 V to 5 V makes the ADBMS6816 suitable for most bat-

tery chemistries. All six cells can be measured in 304 µs, and lower

data acquisition rates can be selected for high noise reduction.

Multiple devices are connected in a daisy chain with one host

processor connection for all devices. This daisy chain can be

operated bidirectionally, ensuring communication integrity even in

the event of a fault along the communication path.

The ADBMS6816 can be powered directly from the battery stack or

from an isolated supply. The ADBMS6816 includes passive balanc-

ing for each cell, with individual pulse-width modulation (PWM) duty

cycle control for each cell. Other features include an on-board 5 V

regulator, seven general-purpose input/output (GPIO) lines, and a

sleep state, where current consumption is reduced to 5.5 µA.

Multiple ADBMS6816 devices can be connected in series, permit-

ting simultaneous cell monitoring of long, high voltage battery

™

strings. Each ADBMS6816 has an isoSPI interface for high

speed, RF immune, long distance communications.

For more information about the ADBMS6816, visit the ADBMS6816 product page.

Rev. Sp0

Information furnished by Analog Devices is believed to be accurate and reliable "as is". However, no responsibility is assumed by Analog

DOCUMENT FEEDBACK

TECHNICAL SUPPORT

Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to

change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

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与ADBMS6816相关器件

型号	品牌	获取价格	描述	数据表
ADBMS6817	ADI	获取价格	8通道多节电池电池监控器
ADBMS6821	ADI	获取价格	单通道/双通道isoSPI收发器
ADBMS6822	ADI	获取价格	单通道/双通道isoSPI收发器
ADBMS6830	ADI	获取价格	16通道多节电池电池监控器
ADBMS6832M	ADI	获取价格	18-Channel Multicell Battery Monitor
ADBMS6833M	ADI	获取价格	16-Channel Multicell Battery Monitor
ADBMS6948	ADI	获取价格	16通道电池组监控器
ADBS-A320	AVAGO	获取价格	Optical Finger Navigation
ADBS-A350	AVAGO	获取价格	Optical Finger Navigation High speed motion detection up to 20 ips
ADBS-A350	PIXART	获取价格	Optical Finger Navigation

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