产品概述
描述
The L9965A is an 18 channel battery cells monitoring and balancing IC.
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所有功能
- AEC-Q100 qualified
- Temperature grade 1: –40 °C to +125 °C operating temperature range
- HBM ESD classification level 2
- CDM ESD classification level C4B
- Full ISO26262 compliant, ASIL-D systems ready, documentation available
- Fully synchronized high accuracy measurements 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 to 5.5 V
- Integrated digital filtering with programmable cutoff frequency from 3.3 kHz to 4.4 Hz
- Fully redundant architecture
- Cell and busbar support on every channel
- Dedicated busbar channel with ±1 V range
- Passive internal cell balancing up to 400 mA, supporting time-continuous and PWM modes, with automatic cool down based on external NTC sensing. Overcurrent protection during balancing is also available in low-power mode
- Integrated DC-DC converter for energy efficiency:
- Deep-sleep: <12 µA
- Cyclic WAKEUP mode: <20 µA
- Normal mode: <2 mA
- 10 configurable GPIO
- SPI controller and I2C controller peripherals for interfacing external EEPROMs and sensors
- SPI target for direct MCU interface
- Stackable architecture for high-voltage battery packs up to 59 devices
- Embedded NVM for configuration parameters storage and runtime configuration integrity check
- Ultrafast vertical interface peripheral for isolated communication
- Compatible with L9965C pack monitoring chip with a max desynchronization time of 7 µs at 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
| 产品型号 | 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。
样片和购买
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| 产品型号 | 供货状态 | Budgetary Price (US$)*/Qty | 从ST订购 | Order from distributors | 包 | 包装类型 | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating Temperature (°C) (min) | Operating Temperature (°C) (max) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L9965A-TR | | | distributors 无法联系到经销商，请联系我们的销售办事处 | ||||||||||
| L9965A | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
L9965A-TR 批量生产
Budgetary Price (US$)*/Qty:
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distributors
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L9965A 建议
Budgetary Price (US$)*/Qty:
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distributors
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