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BQ76PL536A-Q1 Datasheet(PDF) 1 Page - Texas Instruments |
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BQ76PL536A-Q1 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 55 page  bq76PL536A-Q1 www.ti.com SLUSAM3 – MAY 2011 3 to 6 Series Cell Lithium-Ion Battery Monitor and Secondary Protection IC for EV and HEV Applications Check for Samples: bq76PL536A-Q1 1 FEATURES DESCRIPTION The bq76PL536A-Q1 is a stackable three to six 2 • 3 to 6 Series Cell Support, All Chemistries series cell lithium-ion battery pack protector and • Hot-Pluggable analog front end (AFE) that incorporates a precision • High-Speed SPI for Data Communications analog-to-digital converter (ADC); independent cell • Stackable Vertical Interface voltage and temperature protection; cell balancing, and a precision 5-V regulator to power user circuitry. • No Isolation Components Required Between ICs The bq76PL536A-Q1 integrates a voltage translation • Qualified for Automotive Applications and precision analog-to-digital converter system to • Temperature Range –40°C to 105°C measure battery cell voltages with high accuracy and speed. • High-Accuracy Analog-to-Digital Converter (ADC): The bq76PL536A-Q1 provides full protection – ±1 mV Typical Accuracy (secondary protection) for overvoltage, undervoltage, and overtemperature conditions. When safety – 14-Bit Resolution, 6-µs Conversion Time thresholds are exceeded, the bq76PL536A-Q1 sets – Nine ADC Inputs: 6 Cell Voltages, 1 Six-Cell the FAULT output. No external components are Brick Voltage, 2 Temperatures, 1 needed to configure or enable the protection features. General-Purpose Input – Dedicated Pins for Synchronizing Cell voltage and temperature protection functions are Measurements independent of the ADC system. Programmable protection thresholds and detection delay times are • Configuration Data Stored in ECC-OTP stored in Error Check/Correct (ECC) OTP EPROM, Registers which increases the flexibility and reliability of the • Built-In Comparators (Secondary Protector) battery management system. for: The bq76PL536A-Q1 is intended to be used with a – Over- and Undervoltage Protection host controller to maximize the functionality of the – Overtemperature Protection battery management system. However, the protection – Programmable Thresholds and Delay Times functions do not require a host controller. – Dedicated Fault Signals The bq76PL536A-Q1 can be stacked vertically to • Cell Balancing Control Outputs With Safety monitor up to 192 cells without additional isolation Timeout components between ICs. A high-speed serial – Balance Current Set by External peripheral interface (SPI) bus operates between each Components bq76PL536A-Q1 to provide reliable communications • Supply Voltage Range from 6 V to 30 V through a high-voltage battery cell stack. Continuous and 36 V Peak • Low Power: – Typical 12-µA Sleep, 45-µA Idle • Integrated Precision 5-V, 3-mA LDO APPLICATIONS • Electric and Hybrid Electric Vehicles • E-Bike and E-Scooter • Uninterruptible Power Systems (UPS) • Large-Format Battery Systems 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2011, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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