L9963E

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产品概述

描述

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.

Multiple L9963E can be connected in a daisy chain and communicate with one host processor via the transformer isolated interfaces, featuring high-speed, low EMI, long distance, and reliable data transmission.

Passive balancing with programmable channel selection is offered in both normal and low power mode (silent balance). The balancing can be terminated automatically based on internal timer interrupt. Nine GPIOs are integrated for external monitoring and controlling. The L9963E features a comprehensive set of fault detection and notification functions to meet the safety standard requirements.

所有功能
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
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Worldwide,Asia,Europe,Africa,North America,South America,Oceania,Afghanistan,Bahrain,Bangladesh,Bhutan,Brunei,Burma (Myanmar),Cambodia,China,East Timor,India,Indonesia,Iraq,Japan,Jordan,Kazakhstan,Kuwait,Kyrgyzstan,Laos,Malaysia,Maldives,Mongolia,Nepal,Oman,Pakistan,Philippines,Qatar,Russian Federation,Saudi Arabia,Singapore,South Korea,Sri Lanka,Taiwan,Tajikistan,Thailand,Turkmenistan,United Arab Emirates,Uzbekistan,Vietnam,Yemen,Albania,Andorra,Armenia,Austria,Azerbaijan,Belarus,Belgium,Bosnia and Herzegovina,Bulgaria,Croatia,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Georgia,Germany,Greece,Hungary,Iceland,Ireland,Israel,Italy,Latvia,Liechtenstein,Lithuania,Luxembourg,Macedonia,Malta,Moldova,Monaco,Montenegro,Netherlands,Norway,Poland,Portugal,Romania,San Marino,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkey,Ukraine,United Kingdom,Vatican City,Algeria,Angola,Benin,Botswana,Burkina,Burundi,Cameroon,Cape Verde,Central African Republic,Chad,Comoros,Democratic Republic of Congo,Djibouti,Egypt,Equatorial Guinea,Eritrea,Ethiopia,Gabon,Gambia,Ghana,Guinea,Guinea-Bissau,Ivory Coast,Kenya,Lesotho,Liberia,Libya,Madagascar,Malawi,Mali,Mauritania,Mauritius,Morocco,Mozambique,Namibia,Niger,Nigeria,Rwanda,Sao Tome and Principe,Senegal,Seychelles,Sierra Leone,Somalia,South Africa,Swaziland,Tanzania,Togo,Tunisia,Uganda,Zambia,Zimbabwe,Antigua and Barbuda,Bahamas,Barbados,Belize,Canada,Costa Rica,Dominica,Dominican Republic,El Salvador,Grenada,Guatemala,Haiti,Honduras,Jamaica,Mexico,Nicaragua,Panama,Saint Kitts and Nevis,Saint Lucia,Saint Vincent and the Grenadines,Trinidad and Tobago,United States,Argentina,Bolivia,Brazil,Chile,Colombia,Ecuador,Guyana,Paraguay,Peru,Suriname,Uruguay,Venezuela,Australia,Fiji,Kiribati,Marshall Islands,Micronesia,Nauru,New Zealand,Palau,Papua New Guinea,Samoa,Solomon Islands,Tonga,Tuvalu,Vanuatu	EVAL-L9963E-NDS	批量生产	分布式BMS系统中的L9963E单一节点	汽车IC评估板	ST	EVAL-L9963E-NDS 描述: 分布式BMS系统中的L9963E单一节点

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	Resource title	版本	Latest update

产品规格 (1)

	Resource title	版本	Latest update
PDF	DS13636 Automotive Multicell battery monitoring and balancing IC	12.0	21 Nov 2022	21 Nov 2022 DS13636 Automotive Multicell battery monitoring and balancing IC 12.0

应用手册 (1)

	Resource title	版本	Latest update
PDF	AN5696 L9963E Evaluation Board with on board MCU with preloaded firmware (GUI)	1.0	10 Nov 2022	10 Nov 2022 AN5696 L9963E Evaluation Board with on board MCU with preloaded firmware (GUI) 1.0

工具/软件相关的应用笔记 (1)

	Resource title	版本	Latest update
PDF	AN5696 L9963E Evaluation Board with on board MCU with preloaded firmware (GUI)	1.0	10 Nov 2022	10 Nov 2022 AN5696 L9963E Evaluation Board with on board MCU with preloaded firmware (GUI) 1.0

宣传册 (1)

	Resource title	版本	Latest update
PDF	Battery Management System: 36 V and beyond from BMS ICs to the MCU	1.0	10 Nov 2022	10 Nov 2022 Battery Management System: 36 V and beyond from BMS ICs to the MCU 1.0