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ADBMS2950BCCSZ 数据表(PDF) 1 Page - Analog Devices |
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ADBMS2950BCCSZ 数据表(HTML) 1 Page - Analog Devices |
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1 / 97 page  Battery Pack Monitor Data Sheet ADBMS2950B Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochange withoutnotice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Analog Way, Wilmington, MA 01887-2356, U.S.A. Tel: 781.935.5565 ©2024 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Battery pack current measurement Buffered analog inputs Continuous operation option Lossless measurement for coulomb counting 1 ms update rate ±0.1% maximum gain error ±1 µV maximum offset Redundant implementation Battery pack voltage measurement Buffered analog inputs Synchronous with current measurement Differential and single-ended mode Redundant implementation 10 additional voltage measurement channels Buffered analog inputs On-demand operation Differential and single-ended mode Redundant implementation Overcurrent detection Triple redundancy with majority voting PWM output options Built-in isoSPI™ interface 2 Mbps isolated serial communications Capacitor or transformer coupled Daisy-chaining option 4-wire SPI option General-purpose digital IO Six general-purpose outputs (GPOs) Dual threshold read-back of GPOs Four GPIOs configurable as an I2C or SPI controller 48-Lead side-solderable QFN package APPLICATIONS Backup battery systems Grid energy storage GENERAL DESCRIPTION The ADBMS2950B is a battery pack monitor for current or voltage sense applications. It measures the current flowing in and out of a battery pack by sensing the voltage drop over a shunt resistor with a very low offset. The ADBMS2950B also detects overcurrent conditions using fast overcurrent analog-to-digital converters (ADCs) with digital threshold comparators and communicate their results through dedicated overcurrent alert lines with minimum delay. It features a total of 12 internally buffered high impedance inputs for measuring voltages from external sensors or resistor- dividers, enabling measurement of pack voltages, temperatures, HV-Link voltages, chassis isolation, and the supervision of the state of contactors and fuses. Six digital outputs (GPOs) supporting open-drain or push-pull can be used to control high voltage transistors to disconnect external resistor-dividers. Four digital general-purpose inputs/outputs (GPIOs) also allow operation as an I2C or SPI controller interface to address an external electronically erasable programmable read‐only memory (EEPROM) or other serial peripherals. The built-in serial interface of the ADBMS2950B can be configured for SPI or isolated isoSPI communication to the host. An additional isoSPI port allows to connect a daisy-chain of the ADBMS2950B devices, which is optionally extended with the ADBMS6830B cell monitor. Table 1. ADBMS2950B Features Overview Feature ADBMS2950B isoSPI Ports 2 SPI 1 Current Channels 2 Overcurrent Channels 3 Pack Voltage Channels 2 HV Voltage Channels 10 GPOs 6 GPIOs 4 |
类似零件编号 - ADBMS2950BCCSZ |
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类似说明 - ADBMS2950BCCSZ |
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