产品概述
描述
The L9965A/L99BM218 is an 18-channel battery cell monitoring and balancing IC.
The device belongs to the L9965/L99BM2 chipset family for high-voltage battery management system monitoring and control (automotive/industrial respectively).
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所有功能
- Temperature grade 1: –40°C to +125°C operating temperature range
- HBM ESD classification level 2
- CDM ESD classification level C4B
- Fully synchronizedhigh-accuracymeasurements on cell voltage, busbar and stack voltage with dedicated ADC:
- Total error including aging and post soldering <1.4 mV at 3.3 V, -40°C to 105°C
- 16-bit resolution
- Cell range: -1 V to 5.5 V
- Integrated digital filtering with programmable cut-off frequency from 3.3 kHz to 4.4 Hz
- Fully redundant architecture
- Cell and busbar support on every channel
- Dedicated busbar channel with a ±1 V range
- Passive internal cell balancing up to 400mA, supporting time-continuous and PWM modes, with automatic cool down based onexternal NTC sensing. Overcurrent protection during balancing is also available inlow-powermode.
- IntegratedDC-DCconverter for energy efficiency:
- Deep sleep: <12 µA
- Cyclic Wake-up Mode: <20 µA
- Normal Mode: <3 mA
- 10 configurable GPIO
- SPIcontrollerand I2Ccontrollerperipherals for interfacing external EEPROMs and sensors
- SPItargetfor direct MCU interface
- Stackable architecture forhigh-voltagebattery packs up to 59 devices
- Embedded NVM for configurationparameter storageand runtime configuration integrity check
- Ultra-fast vertical interface peripheral for isolated communication
- Compatible with L9965C pack monitoring chip with a maxdesynchronizationtime of 7µsat system level
EDA符号、封装和3D模型
意法半导体 - L9965A
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符号
封装
3D模型
质量与可靠性
| 料号 | Marketing Status | 包 | 等级规格 | 符合RoHS级别 | Longevity Commitment | Longevity Starting Date | 材料声明** |
|---|---|---|---|---|---|---|---|
| L9965A | 建议 | TQFP 64 10x10x1.0 1.0 ExPad Down | 工业 | - | - | - | |
| L9965A-TR | 批量生产 | TQFP 64 10x10x1.0 | Automotive Safety | Ecopack2 | - | - | |
L9965A
Package:
TQFP 64 10x10x1.0 1.0 ExPad DownMaterial Declaration**:
L9965A-TR
Package:
TQFP 64 10x10x1.0Material Declaration**:
(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持。
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样片和购买
| 料号 | 供货状态 | Budgetary Price (US$)*/Qty | 从ST订购 | Order from distributors | 包 | 包装类型 | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating Temperature (°C) (min) | Operating Temperature (°C) (max) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L9965A-TR | | | distributors 无法联系到经销商，请联系我们的销售办事处 | ||||||||||
| L9965A | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
L9965A-TR 批量生产
L9965A 建议