BMS电池管理系统
BMS系统指电池管理系统（英语全称：Battery Management System）：是对电池进行充放电管理的系统
BMS电池管理系统
BMS系统指电池管理系统（英语全称：Battery Management System）：是对电池进行充放电管理的系统
型号编码：PCM-F36.0V 20/78A-NTC-BD-RS485-265.4*65.0*7.5
BMS规格：10串-20/78A-NTC-RS485
电压保护：2.8/2.6V（2级过放）/4.240/4.275/4.350V（3级过充）
电流保护：≥5.5A 报警≥7A保护 （充电）/ 30A/45A/78A（3级放电保护）
自耗电流：8-15mA（正常）/500-700uA（空闲）/70-100uA（低电压模式）
通讯类型：RS485
均衡方式：支持（当电池组不均衡时不充电）
温度保护：支持低温，高温，MOS过温等各项保护功能
产品描述：针对三元锂/磷酸铁锂电池组设计，最大支持10串/容量≤30Ah电池组。使用高精度专业电池管理芯片，测量/管理电池电压、电流、温度等。具有多重保护功能，对锂电池进行全方位保护。
| Contents 内容 | Min. | Type | Max. | Tolerance | Unit |
| Absolute Maximum Rating 绝对最大设定值 | |||||
| Input charging voltage 输入充电电压 | 42.0 | ±1% | V | ||
| Continuous charging current 持续充电电流 | ≤6.5 | A | |||
| Output discharging voltage 输出放电电压 | 28.0 | 36.0 | 42.0 | V | |
| Continuous output discharging current 持续输出放电电流 | ≤20.0 | A | |||
| Ambient Condition 使用环境条件 | |||||
| Operating temperature 工作温度 | -20 | 60 | ℃ | ||
| Humidity (No Water-Drop) 湿度（无水汽凝结成水珠） | 0% | 90% | RH | ||
| Atmospheric pressure 大气压强 | 86 | 106 | KPa | ||
| Storage Condition 存储条件 | |||||
| Storage temperature 存储温度 | -5 | 30 | ℃ | ||
| Humidity (No Water-Drop) 湿度（无水汽凝结成水珠） | 40% | 60% | RH | ||
| Atmospheric pressure 大气压强 | 86 | 106 | KPa | ||
| Protection Parameters (for Single Cell). 保护参数（单节电性） | |||||
| Over-Charge voltage protection 过充保护 | |||||
| Over-Charge voltage alert 过压报警 | Cell voltage ≥ 4210mV & 1Sec additional delay | ||||
| Over-Charge voltage protection 1 过充保护电压1 | 4240 | ±40 | mV | ||
| Over-Charge voltage protection 2 过充保护电压2 (硬件保护) | 4275 | ±40 | mV | ||
| Over-Charge voltage protection 3 过充保护电压3 (硬件保护) | 4350 | ±35 | mV | ||
| Over-Charge voltage protection 1/2 release 过充保护1/2恢复电压 | 4000 | ±40 | mV | ||
| Over-Charge voltage protection 3 release 过充保护3恢复电压 | 4050 | ±35 | mV | ||
| Over-Charge voltage protection 1 delay time 过充保护1延迟时间 | 500 | 1000 | 2000 | mS | |
| Over-Charge voltage protection 2 delay time 过充保护2延迟时间 | 700 | 1000 | 1750 | mS | |
| Over-Charge voltage protection 3 delay time 过充保护3延迟时间 | 3000 | 4000 | 5000 | mS | |
| Over-Charge voltage alert/protection1/2 release delay time 过充报警/保护(1/2)恢复延迟时间 | 2000 | 3000 | 4000 | mS | |
| Over-Charge voltage protection 3 release delay time 过充保护3恢复延迟时间 | 10 | 16.5 | 25 | mS | |
| Cell Voltage Imbalance charge protection 不平衡禁止充电 | |||||
| Cell Voltage Imbalance charge protection 不平衡禁止充电 | Cell Voltage Imbalance≥0.4V & Cell voltage(Min)≥3400mV & 2Minutes additional delay | ||||
| Over-Discharge voltage protection 过放保护 | |||||
| Over-Discharge voltage alert 欠压报警 | Cell voltage ≤ 3200mV & 3Sec additional delay | ||||
| Over-Discharge voltage alert release 欠压报警释放 | Cell voltage ≥ 3400mV & 3Sec additional delay | ||||
| Over-Discharge voltage protection 1 过放保护电压1 | 2800 | ±100 | mV | ||
| Over-Discharge voltage protection 2 过放保护电压2 (硬件保护) | 2600 | ±100 | mV | ||
| Over-Discharge voltage protection release 过放恢复电压 | 3200 | ±100 | mV | ||
| Over-Discharge voltage protection release current (Charging state) 过放后充电解除 | Charge current ≥200mA | mA | |||
| Over-Discharge voltage protection 1 delay time 过放保护1延迟时间 | 500 | 1000 | 2000 | mS | |
| Over-Discharge voltage protection 2 delay time 过放保护2延迟时间 | 700 | 1000 | 1750 | mS | |
| Over-Discharge voltage alert/protection release delay time 过放恢复延迟 | 2000 | 3000 | 4000 | mS | |
| Into Shutdown mode 进入掉电模式 | 2800 | ±100 | mV | ||
| Into Shutdown mode delay time 进入掉电模式延迟时间 | 1800 | ±60 | S | ||
| Battery pack Over-Charge voltage protection 总电压过充保护 | |||||
| Battery pack Over-Charge voltage alert 总电压过压报警 | Total voltage ≥ 42.1V & 1Sec additional delay | ||||
| Battery pack Over-Charge voltage protection 总电压过压保护 | 42.4 | ±0.4 | V | ||
| Battery pack Over-Charge voltage protection release 总电压过压恢复 | 40.0 | ±0.4 | V | ||
|
Battery pack Over-Charge voltage protection delay time 总电压过充保护延迟时间 |
500 | 1000 | 2000 | mS | |
|
Battery pack Over-Charge voltage alert/protection release delay time 总电压报警/过充恢复延迟时间 |
2000 | 3000 | 4000 | mS | |
| Battery pack Over-Discharge voltage protection 总电压过放保护 | |||||
| Battery pack Over-Discharge voltage alert 总电压过放报警 | Total voltage ≤ 32.0V & 3Sec additional delay | ||||
| Battery pack Over- Discharge voltage protection 总电压过放保护 | 28.0 | ±0.5 | V | ||
| Battery pack Over-Discharge voltage protection release 总电压过放恢复 | 32.0 | ±0.5 | V | ||
| Battery pack Over-Discharge voltage protection delay time 总电压过放保护延迟时间 | 500 | 1000 | 2000 | mS | |
|
Battery pack Over-Charge voltage alert/protection release delay time 总电压报警/过放恢复延迟时间 |
2000 | 3000 | 4000 | mS | |
| Charge Over-Current/Discharge Over-Current/Short circuit protection 充电过流/放电过流/短路保护 | |||||
| Over-Current charge alert 充电过流报警 | Charge current ≥5.5A & 3Sec additional delay | ||||
| Over-Current charge alert release 充电过流报警释放 | Charge current ≤5A & 3Sec additional delay | ||||
| Over-Current charge protection 充电过流保护 | 7.0 | ±0.5 | A | ||
| Over-Current charge protection delay time 充电过流保护延迟时间 | 2000 | 3000 | 4000 | mS | |
| Over-Current charge protection release 充电过流保护释放 | 10 Sec additional delay （连续3次充电过流锁定，需要放电释放。如电池处过放状态，充电过流不锁定） | ||||
| Over-Current charge protection release current (Discharge state) 充电过流后放电解除 | Discharge current ≥200mA | mA | |||
| Over-Current discharge alert 放电过流报警 | Discharge current ≥ 20A & 3Sec additional delay | ||||
| Over-Current discharge alert release 放电过流报警恢复 | Discharge current ≤ 18A & 3Sec additional delay | ||||
| Over-Current discharge protection 1 (Only in normal mode) 放电过流保护1 | 30 | ±3 | A | ||
| Over-Current discharge protection 2 (Only in normal mode) 放电过流保护2 | 45 | ±5 | A | ||
| Over-Current discharge protection 3 放电过流保护3 (硬件保护) | 78 | ±12 | A | ||
| Over-Current protection 1 delay time 放电过流保护1延迟 | 13 | 15 | 17 | S | |
| Over-Current protection 2 delay time 放电过流保护2延迟 | 500 | 1000 | 2000 | mS | |
| Over-Current protection 3 delay time 放电过流保护3延迟 | 160 | ±32 | mS | ||
| Over-Current protection 1/2/3 release 放电过流保护1/2/3释放 | 延时15Sec自动恢复(如2分钟之内，放电过流次数超过3次。则需要移除负载才能恢复) | ||||
| Short circuit discharge protection 放电短路保护 | 222 | ±34 | A | ||
| Short circuit protection delay time 放电短路保护延迟 | 400 | ±150 | uS | ||
| Short circuit protection release 过流和短路保护释放 | 延时15Sec自动恢复(如2分钟之内，放电过流次数超过3次。则需要移除负载才能恢复) | ||||
| Temperature protection 温度保护 | |||||
| Charge over temperature alert 充电高温报警 | Temperature ≥ 40℃ & 3Sec additional delay | ||||
| Charge low temperature alert 充电低温报警 | Temperature ≤ 5℃ & 3Sec additional delay | ||||
| Discharging over temperature alert 放电高温报警 | Temperature ≥ 60℃ & 3Sec additional delay | ||||
| Discharging low temperature alert 放电低温报警 | Temperature ≤ -10℃ & 3Sec additional delay | ||||
| Mosfet over temperature alert Mosfet高温报警 | Temperature ≥ 80℃ & 3Sec additional delay | ||||
| Temperature alert release 温度报警释放 | Hysteresis 5℃ & 3Sec additional delay | ||||
| Charge over temperature protection 充电过温保护 | 48 | ±5 | ℃ | ||
| Charge over temperature protection release 充电过温恢复 | 43 | ±5 | ℃ | ||
| Charge low temperature protection 充电低温保护 | 0 | ±5 | ℃ | ||
| Charge low temperature protection release 充电低温恢复 | 5 | ±5 | ℃ | ||
| Discharging over temperature protection 放电过温保护 | 68 | ±5 | ℃ | ||
| Discharging over temperature protection release 放电过温恢复 | 60 | ±5 | ℃ | ||
| Discharging low temperature protection 放电低温保护 | -20 | ±5 | ℃ | ||
| Discharging low temperature protection release 放电低温恢复 | -15 | ±5 | ℃ | ||
| Mosfet over temperature protection Mosfet过温保护 | 85 | ±5 | ℃ | ||
| Mosfet over temperature protection release Mosfet过温保护恢复 | 60 | ±5 | ℃ | ||
| Pre-Discharge Resistor over temperature protection 预放电电阻过温保护 | 85 | ±5 | ℃ | ||
| Temperature protection delay time 温度保护延迟 | 2000 | 3000 | 6000 | mS | |
| Temperature protection release delay time 温度保护延迟 | 2000 | 3000 | 6000 | mS | |
| Cell balance 电芯平衡 | |||||
| Balance start voltage 平衡启动电压 | 3800mV（充电状态）OR 3400mV（空闲状态） | ±50 | mV | ||
| Balance start difference voltage between cells 平衡启动压差 | ≥50 | mV | |||
| Balance cut-off voltage Δcell voltage 平衡关断电压 | ≤30 | mV | |||
| Balance current 平衡电流 | ＜88 | mA | |||
| Balance condition 平衡条件 | Balance on charging mode or idle mode(在IDLE Mode 平衡开启电压3400mV，放电后需要静置2小时才会开启均衡) | ||||
| Current consumption 电流消耗 | |||||
| Normal mode 正常模式 | 8 | 15 | mA | ||
| Idle mode 空闲模式 | 500 | 700 | uA | ||
| Shut down mode (Vcell ≤ 2.8V) 掉电模式 | 70 | 100 | uA | ||
| Idle mode from Normal mode 正常模式进入空闲模式 | 无充/放电、无通讯活动、电池无故障，延迟2Minutes | ||||
| Wake up way(Shut down mode) 掉电模式唤醒方式 | |||||
| Wake up (Shut down mode) 掉电模式唤醒 | Charge (Minimum Gap Between PACK- and BAT- for Charger wake up: 2 ~ 3V ) | ||||
| Internal resistance PCB内阻 | |||||
| main discharging circuit internal resistance of the protection board BMS放电主回路内阻 | ≤20mΩ | ||||
| main charging circuit internal resistance of the protection board BMS充电主回路内阻 | ≤50mΩ | ||||
| Communication 通讯 | |||||
| Communication 通讯 | RS-485/UART | ||||
