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Proprietary and Confidential
上海亚纵电子有限公司 科圆锂电保护方案介绍 FAE:Floyd Yan CARETTA Proprietary and Confidential SEP 2006 INTEGRATED CIRCUITS
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Proprietary and Confidential
ＣＲ６００Ｘ与传统方案的应用电路比较 CARETTA SEP 2006 Proprietary and Confidential INTEGRATED CIRCUITS
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Proprietary and Confidential
CR600X对比传统方案的优势 只需一个外部元件,占用空间小 研发工作强度和周期大大下降,更容易通过客户验证 采购环节和资材管理更加简化 IPQC与QA工作量大大下降 故障率低 生产返修率低 生产所需工时减少,产能增加一倍以上 具有ＥＳＤ防护能力 能满足电芯总内阻低于１３０mΩ的要求 ＢＯＭ成本比传统方案还低 CARETTA SEP 2006 Proprietary and Confidential INTEGRATED CIRCUITS
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Proprietary and Confidential
BOM Cost Benefits (2) CARETTA SEP 2006 Proprietary and Confidential INTEGRATED CIRCUITS
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Proprietary and Confidential
Performance Analysis CARETTA SEP 2006 Proprietary and Confidential INTEGRATED CIRCUITS
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Proprietary and Confidential
ＣＲ６００Ｘ特性介绍 无需外接ＭＯＳＦＥＴ 应用简单，只需一个外部电容 等效２４＼２９ mΩ Rds(ON)片上ＭＯＳＦＥＴ 过充电流保护 三重过放电流保护（过放１，过放2和负载短路保护） 充电器检测功能 过充电流检测 延迟时间由内部产生,无需外接电容 低工作电流损耗: 工作模式:典型值2.0uA;最大值4.0uA 休眠模式：最大0.1uA 高精度电压检测： 过充检测电压：３．９～４．４Ｖ；步长１２．５mＶ；精度：±２５mV 过充回滞电压：０．０～０．４Ｖ；精度：±２５mV 过放检测电压：２．０～３．０Ｖ；步长１２．５mＶ；精度：±２５mV 过放回滞电压：０．０～０．７Ｖ；精度：±２５mV CARETTA SEP 2006 Proprietary and Confidential INTEGRATED CIRCUITS
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Proprietary and Confidential
电气特性（１） CARETTA SEP 2006 Proprietary and Confidential INTEGRATED CIRCUITS
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Proprietary and Confidential
电气特性（２） CARETTA Proprietary and Confidential SEP 2006 INTEGRATED CIRCUITS
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Proprietary and Confidential
产品系列 CARETTA SEP 2006 Proprietary and Confidential INTEGRATED CIRCUITS
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Proprietary and Confidential
产品品质保障 完善的保护电路 过流\过充\过放\短路\过热保护 所有产品都有内含的ESD保护电路 轻易通过8~12KV ESD测试 欧洲无铅标准制程,不含有毒物质 提供SGS和不含有毒物质测试报告 产品不良率小于100PPM 产品一致性好 CR6000是电流控制型,传统模式为电压控制型, 所以精度更高,一直性更好 CARETTA SEP 2006 Proprietary and Confidential INTEGRATED CIRCUITS
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Proprietary and Confidential
功能模式 正常工作模式 过充电压情况 过充电流情况 过放电压情况 过放电流情况 负载短路情况 充电器检测 延时电路 CARETTA SEP 2006 Proprietary and Confidential INTEGRATED CIRCUITS
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Proprietary and Confidential
演示板电路 CARETTA SEP 2006 Proprietary and Confidential INTEGRATED CIRCUITS
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充电终止电压与精度对于锂电池是至关重要的参数 Proprietary and Confidential
锂电池的特性 1%的终止电压变化，将使容量改变8% 充电终止电压对电芯寿命的影响 1%的电压误差将会导致寿命变化1/3 充电终止电压与精度对于锂电池是至关重要的参数 CARETTA Proprietary and Confidential INTEGRATED CIRCUITS SEP 2006
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Proprietary and Confidential
锂电池的使用和保护 ----基本原则 电流: 瞬时值<5C 平均值<1.2C 电压: 锂电池的电压过高或者过低都会造成严重问题 锂电池电压划分的几个区域. ===================== 高压危险区 保护线路过充保护电压(4.275~4.35V) 高压警戒区 锂离子电池充电限制电压4.20V 正常使用区 锂离子电池放电终止电压(2.75~3.00V) 低压警戒区 保护线路过放保护电压(2.3~2.5V) 低压危险区 否则 充电终止后不能接受涓流充电 CARETTA SEP 2006 Proprietary and Confidential INTEGRATED CIRCUITS
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Proprietary and Confidential
锂电保护板测试仪 ---- 超思思 LBCY-03 MOSFET S-8261 P+/B+ P- B- Test S-8261 Note: P+ / B+ Common Pin 8 7 6 5 4 3 2 1 B+ P+ B-/P- c1 CR600x Test CR600X Note: Test result Cancel it, Iope≈2.0uA Add it, I’ope≈8.0uA So Iope ≈I’ope – 6uA Note: P- / B- Common Pin CARETTA SEP 2006 Proprietary and Confidential INTEGRATED CIRCUITS
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Proprietary and Confidential
锂电保护板测试仪 ---- 泰斯 PTS-2007C MOSFET S-8261 P+/B+ P- B- Test S-8261 Note: P+ / B+ Common Pin 8 7 6 5 4 3 2 1 B+ P+ B-/P- c1 CR600x Test CR600X Note: P- / B- Common Pin P-(P+) SOCKET-25Pin 4.275V 2.50V 3.6V-P 3.6V-N SETED: N/P-MOSFET CARETTA SEP 2006 Proprietary and Confidential INTEGRATED CIRCUITS
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Proprietary and Confidential
ＥＮＤ 谢谢！！ 刘世伟/ David Liu 手机: (深圳) 上海亚纵电子有限公司 Asiaspeed (SH) Electronics Co.,Ltd 深圳市福田区莲花路万科金色家园A栋1103室 Rm,1103,Building A,Vanke Golden Housetown,Lianhua Road, Shenzhen City Guangdong Province,China 电话: , 传真: CARETTA SEP 2006 Proprietary and Confidential INTEGRATED CIRCUITS
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