BMS / 电池管理系统


bms系统指电池管理系统(英语全称:Battery Management System):是对电池进行管理的系统,BMS主要就是为了智能化管理及维护各个电池单元,防止电池出现过充和过放,延长电池的使用寿命,监控电池的状态。智能化的BMS系统还可以进行数据通讯,以及集成控制电路等功能。

成熟完善的配套设施,数千项智能BMS控制系统开发经验。

RS485 36V共享电动车锂电池 智能保护板BMS

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。

  在线下单
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
 

在线询价

用手机扫描二维码关闭
二维码