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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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L9963E 데이터시트(PDF) 1 Page - STMicroelectronics |
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L9963E 데이터시트(HTML) 1 Page - STMicroelectronics |
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1 / 184 page  TQFP64 (10x10x1.0mm) Exposed pad down TQFP 10x10 64L exposed pad down Features • AEC-Q100 qualified • Measures 4 to 14 cells in series, with 0 μs desynchronization delay between samples. Supports also busbar connection without altering cell results • Coulomb counter supporting pack overcurrent detection in both ignition on and off states. Fully synchronized current and voltage samples • 16-bit voltage ADC with maximum error of ±2 mV in the [0.5 – 4.3] V range, after soldering, in [-40; +105] °C Tj range • 2.66 Mbps isolated serial communication with regenerative buffer, supporting dual access ring. Less than 4 us latency between start of conversion of the 1st and the 31st device in a chain. Less than 4 ms to convert and read 96 cells in a system using 8 L9963E and L9963T transceiver. Less than 8 ms to convert and read 210 cells in a system using 15 L9963E and L9963T transceiver. Less than 16 ms to convert and read 434 cells in a system using 31 L9963E and L9963T transceiver. Supports both XFMR and CAP based isolation • 200 mA passive internal balancing current for each cell in both normal and silent-balancing mode. Possibility of executing cyclic wake up measurements. Manual/Timed balancing, on multiple channels simultaneously; Internal/External balancing • Fully redundant cell measurement path, with ADC Swap, for enhanced safety and limp home functionality • Intelligent diagnostic routine providing automatic failure validation. Redundant fault notification through both SPI Global Status Word (GSW) and dedicated FAULT line • Two 5 V regulators supporting external load connection with 25 mA (VCOM) and 50 mA (VTREF) current capability • 9 GPIOs, with up to 7 analog inputs for NTC sensing • Robust hot-plug performance. No Zeners needed in parallel to each cell • Full ISO26262 compliant, ASIL-D systems ready Application • Automotive: 48 V and high-voltage battery packs • Backup energy storage systems and UPS • E-bikes, e-scooters • Portable and semi-portable equipment Description The L9963E is a Li-ion battery monitoring and protecting chip for high-reliability automotive applications and energy storage systems. Up to 14 stacked battery cells can be monitored to meet the requirements of 48 V and higher voltage systems. Each cell voltage is measured with high accuracy, as well as the current for the on-chip coulomb counting. The device can monitor up to 7 NTCs. The information is transmitted through SPI communication or isolated interface. Product status link L9963E Product summary Order code Package Packing L9963E TQFP64EP Tray L9963E-TR Tape and Reel Product label Automotive Multicell battery monitoring and balancing IC L9963E Datasheet DS13636 - Rev 12 - November 2022 For further information contact your local STMicroelectronics sales office. www.st.com |
유사한 부품 번호 - L9963E |
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유사한 설명 - L9963E |
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