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BQ76PL455A Datasheet(PDF) 1 Page - Texas Instruments |
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BQ76PL455A Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 125 page  To Additional Battery Monitors Differential Signaling Daisy-Chain C e l l B a l a n c i n g C i r c u i t s L o w P a s s F i l t e r s - P r o t e c t i o n Cell Temperature Measurement COMMH± COMMH+ FAULTH+ FAULTH± All GND connections are local to this IC. See text for layout details. Highest Cell (VSENSE16) C e l l B a l a n c i n g C i r c u i t s L o w P a s s F i l t e r s - P r o t e c t i o n Cell Temperature Measurement COMMH± COMMH+ FAULTH+ FAULTH± Highest Cell (VSENSE16) High Current Bus VP CAN Bus, etc. Texas Instruments µC C2000Œ TMS570Œ I/O Power Supply FAULTL± FAULTL+ GND COMML± COMML+ COMML+ COMML± GND FAULTL± FAULTL+ All GND connections are local to this IC. See text for layout details. Copyright © 2016, Texas Instruments Incorporated Product Folder Sample & Buy Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. bq76PL455A SLUSCL0A – SEPTEMBER 2016 – REVISED OCTOBER 2016 bq76PL455A 16-Cell Industrial Integrated Battery Monitor with Passive Cell Balancing 1 1 Features 1 • Monitors and Balances 6-to-16 Cells per Device • Highly Accurate Monitoring – High Performance 14-bit Analog-to-Digital Converter (ADC) With Internal Reference – All Cells Converted in 2.4 ms (Nominal) – Eight AUX Inputs for Temperature and Other Sensors with Input Voltage of 0 V to 5 V – Internal Precision Reference • Integrated Protector With Separate Vref for Overvoltage (OV) and Undervoltage (UV) Comparators and Programmable VCELL Set Points • Engineered for High System Robustness – Up to 1-Mb/s Stackable Isolated Differential- UART – Up to 16 ICs in Daisy-Chain With Twisted Pair – Passes Bulk Current Injection (BCI) Test – Designed for Robust Hot-Plug Performance • Passive Balancing with External n-FETs and Active Balancing with EMB1428Q/EMB1499Q 2 Applications • Energy Storage (ESS) and UPS • E-Bikes, E-Scooters 3 Description The bq76PL455A device is an integrated 16-cell battery monitoring and protection device, designed for high-reliability, high-voltage industrial applications. The integrated high-speed, differential, capacitor- isolated communications interface allows up to sixteen bq76PL455A devices to communicate with a host through a single high-speed Universal Asynchronous Receiver/Transmitter (UART) interface. The bq76PL455A monitors and detects several different fault conditions, including: overvoltage, undervoltage, overtemperature, and communication faults. Six GPIO ports as well as eight analog AUX ADC inputs are included for additional monitoring and programmable functionality. A secondary thermal shutdown is included for further protection. The bq76PL455A has features that customers may find useful to help them meet functional safety standard requirements. See Safety Manual for bq76PL455A-Q1 (SLUUB67). Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) bq76PL455A TQFP (80) 12.00 mm × 12.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic |
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