描述 / Descriptions SOT23-6 塑封封装锂电池保护 IC Battery Protection IC in a SOT23-6 Plastic Package. 特征 / Features (1) 高电压检测电路 / Precision voltage detection circuit 过充检测电压 4.3V Overcharge detection voltage 过充恢复电压 4.1V Overcharge release voltage 过放检测电压 2.4V Overdischarge detection voltage 过放恢复电压 3.0V Overdischarge release voltage 过放电流检测电压 0.14V Discharge overcurrent detection voltage 负载短路检测电压 1.2V Load short-circuiting detection voltage (2) 芯片内建检测延迟电路 / On-chip detection delay circuit 过充电检测延迟时间 Overcharge detection delay time 过放电检测延迟时间 Overdischarge detection delay time 过放电流检测延迟时间 Discharge overcurrent detection delay time 负载短路检测延迟时间 Load short-circuiting detection delay time ±50 mv ±50 mv ±100 mv ±100 mv ±30 mv ±300 mv 100ms 100ms 10ms 50μs (3) 耐高压充电器保护最大额定电压 (VM 与 CO 管脚额定电压为 28V) High voltage tolerance is used for charger connection pins, VM and CO pins are absolute maximum rating=28v) (4) 0V 可充, 自恢复功能 0V battery charge function available,unavailable are selectable. (5) 工作温度范围 / Operating Temperature Range-40 to +85 (6) 低自耗电流 / Low self current consumption 正常工作模式 / Operation mode /2.4μA 待机模式 / Standby Mode 休眠功能 / Green-mode 自恢复功能 / Self-recovery function 最大值 /Max 6.0μA (25 ) 最大值 /Max0.1μA (25 ) 最大值 /Max3.0μA (25 ) http://www.fsbrec.com 1 / 9
用途 / Applications 用于锂离子 / 锂聚合物可充电电池组 For lithium ion / lithium polymer rechargeable battery pack. 内部等效电路 / Equivalent Circuit 引脚排列 / Pinning 6 1 5 2 4 3 引脚名称 Pin Name 引脚序号 Pin Number DO 1 Vm 2 CO 3 NC 4 V DD 5 V SS 6 引脚功能 Pin Function 放电控制输出端 Discharge control output terminal 充 / 放电电流检测输入端 Charge/discharge current detection input 充电控制输出端 Charge control output terminal 不接 Not connected 电源输入端 Power input 电源接地端 Power ground terminal 印章代码 / Marking 见印章说明 See Marking Instructions. http://www.fsbrec.com 2 / 9
极限参数 / Absolute Maximum Ratings(Ta=25 ) 参数 Parameter 符号 Symbol 数值 Rating Supply voltage V DD Vss-0.3 to Vss+12 V VM pin Input voltage V M V DD -28 to V DD +0.3 V OC output pin voltage V CO V DD -28 to V DD +0.3 V OD output pin voltage V DO V DD -0.3 to V DD +0.3 V Operating Temperature T opr -40 to +85 Storage Temperature T stg -55 to +125 单位 Unit 电性能参数 / Electrical Characteristics(Ta=25 ) 参数 Parameter Operating voltage between VDD&VSS Operating voltage between CO&VM Minimum operating voltage for 0V charging Discharging overcurrent release resistance 符号 Symbol 测试条件 Test Conditions 最小值 Min 最大值 Max 单位 Unit V DD 1.5 9 V C O 1.5 28 V V st V DD -V M V DD -V SS =0V 1.2 V R short V DD =3.6 V M =1.0V 30 50 100 KΩ CO pin N ch ON voltage V COL 0.4 0.5 V CO pin N ch ON voltage V COH V DD -0.1 V DD -0.02 V CO pin N ch ON voltage V DOL 0.2 0.5 V CO pin N ch ON voltage V DOH V DD -0.1 V DD -0.02 V Current consumption Current consumption at stand-by(green) Overdischarge current consumption(self-recovery) I DD I st1 V DD =3.5V V M =0V V DD =2.0V V M =2.0V 1.2 2.4 6.0 μa 0.1 μa I DOX V DD =2.0V,V M =2.0V 1.8 3.0 μa Overcharge detection voltage V det1 4.25 4.3 4.35 V Overcharge release voltage V rel1 4.05 4.1 4.15 V Overcharge hysteresis voltage V hys1 V hys1 =V det1 -V rel1 0.2 V Overdischarge detection voltage V det2 V M =0V 2.3 2.4 2.5 V http://www.fsbrec.com 3 / 9
电性能参数 / Electrical Characteristics(Ta=25 ) 参数 Parameter 符号 Symbol 测试条件 Test Conditions 最小值 Min 最大值 Max Overdischarge release voltage V rel2 2.9 3.0 3.1 V Overdischarge release voltage2 V rel2' V M =V chg 2.3 2.4 2.5 V Discharging over current detection voltage V det3 V DD =3.6V 0.11 0.14 0.17 V Short detection voltage V short V DD =3.6V 0.9 1.2 1.5 V Overcharge detection delay time T Vdet1 V DD =3.8V 4.5V 50 100 200 ms Overdischarge detection delay time Discharging over current detection delay time Short detection delay time 单位 Unit T Vdet2 V DD =3.2V 2.2V 50 100 200 ms T Vdet3 T short V DD =3.0V V M =0V 0.2V V DD =3.5V V M =0V 1.0V 5 10 20 ms 50 100 μs Charger detection voltage V chg V DD =3.6V 0.3 0.7 1.1 V http://www.fsbrec.com 4 / 9
应用电路图 / Application Circuits: 符号 Symbol R1 R2 C1 M1 M2 附注 /Notes: 组件 Components 电阻 Resistor 电阻 Resistor 电容 Capacitor N 沟道 N-MOSFET N 沟道 N-MOSFET 功能 Function 限流噪声滤波 Current limit Noise filtering 限流静电保护 Current limit ESD protection 噪声滤波 Noise Filtering 放电开关 Discharge switch 充电开关 Charging switch 最小值 Min e 最大值 max 单位 Unit 附注 Notes 100 1K Ω *1 300 1K 2K Ω *4 0.022 0.1 1.0 μf *3 *2 *2 *1: R 1 是单级的 RC 滤波器中更好的滤波效果的较高的电阻, 如果 R 1 的电阻 比推荐值更高, 这将影响内部的检测电路和电压检测将超出规定范围 我们建议使用应用推荐的阻力 R1 is a single-stage RC filter,the higher resistance of R1,the better the filtering effect,if the R1 resistance higher than the recommended value, it will affect the internal detection circuit and the voltage detection accuracy will out of specification. We suggest using the recommended resistance in application. *2: CO 和虚拟机的绝对最大额定值为 28V, 客户可以选择 20V 或 30V 双 N-MOS 管开关, 用于不同的应用 The absolute maximum rating of CO and VM is 28V, customer could choose 20V or 30V dual N-MOSFET switches for different application. *3: 添加一个电容 C1VDD 和 VSS 之间可以过滤传导和辐射噪声 Add a C1 capacitor between VDD and VSS could filter conduction and radiation noise. *4:R2 电阻可以有一个电流限制功能, 限制充电电流浪涌 R2 resistor could have a current limit function and limit charger current surge. http://www.fsbrec.com 5 / 9
工作时序图 / Timing Chart (1) 过充保护 / 过充恢复 & 过放保护 / 过放恢复 Overcharge protection / overcharge recovery & Over-discharge protection / over-discharge recovery: (2) 过流保护检测 & 负载短路保护检测 Overcurrent detection &Load short-circuit protection detection http://www.fsbrec.com 6 / 9
外形尺寸图 / Package Dimensions http://www.fsbrec.com 7 / 9
印章说明 / Marking Instructions **** 说明 : : 为产品型号 ****: 为生产批号代码, 随生产批号变化 Note: : Product e. ****: Lot No. Code, code change with Lot No. http://www.fsbrec.com 8 / 9
回流焊温度曲线图 ( 无铅 ) / Temperature Profile for IR Reflow Soldering(Pb-Free) 说明 : Note: 1 预热温度 150~180, 时间 60~90sec; 1.Preheating:150~180, Time:60~90sec. 2 峰值温度 245±5, 时间持续为 5±0.5sec; 2.Peak Temp.:245±5, Duration:5±0.5sec. 3 焊接制程冷却速度为 2~10 /sec. 3. Cooling Speed: 2~10 /sec. 耐焊接热试验条件 / Resistance to Soldering Heat Test Conditions 温度 :260±5 时间 :10±1 sec. Temp.:260±5 Time:10±1 sec 包装规格 / Packaging SPEC. 卷盘包装 / REEL Package e 封装形式 Units/Reel 只 / 卷盘 Reels/Inner Box 卷盘 / 盒 Units 包装数量 Dimension 包装尺寸 (unit:mm 3 ) Units/Inner Box 只 / 盒 Inner Boxes/Outer Box 盒 / 箱 Units/Outer Box 只 / 箱 Reel Inner Box 盒 Outer Box 箱 SOT23-5/6 3,000 10 30,000 4 120,000 7 8 210 205 205 445 230 435 使用说明 / Notices http://www.fsbrec.com 9 / 9