BMS電池管理系統
BMS系統指電池管理系統（英語全稱：Battery Management System）：是對電池進行充放電管理的系統
BMS電池管理系統
BMS系統指電池管理系統（英語全稱：Battery Management System）：是對電池進行充放電管理的系統
型號編碼：PCM-F36.0V 20/78A-NTC-BD-RS485-265.4*65.0*7.5
BMS規格：10串-20/78A-NTC-RS485
電壓保護：2.8/2.6V（2級過放）/4.240/4.275/4.350V（3級過充）
電流保護：≥5.5A 報警≥7A保護 （充電）/ 30A/45A/78A（3級放電保護）
自耗電流：8-15mA（正常）/500-700uA（空閑）/70-100uA（低電壓模式）
通訊類型：RS485
均衡方式：支持（當電池組不均衡時不充電）
溫度保護：支持低溫，高溫，MOS過溫等各項保護功能
產品描述：針對三元鋰/磷酸鐵鋰電池組設計，最大支持10串/容量≤30Ah電池組。使用高精度專業電池管理芯片，測量/管理電池電壓、電流、溫度等。具有多重保護功能，對鋰電池進行全方位保護。
| Contents 內容 | Min. | Type | Max. | Tolerance | Unit |
| Absolute Maximum Rating 絕對最大設定值 | |||||
| Input charging voltage 輸入充電電壓 | 42.0 | ±1% | V | ||
| Continuous charging current 持續充電電流 | ≤6.5 | A | |||
| Output discharging voltage 輸出放電電壓 | 28.0 | 36.0 | 42.0 | V | |
| Continuous output discharging current 持續輸出放電電流 | ≤20.0 | A | |||
| Ambient Condition 使用環境條件 | |||||
| Operating temperature 工作溫度 | -20 | 60 | ℃ | ||
| Humidity (No Water-Drop) 濕度（無水汽凝結成水珠） | 0% | 90% | RH | ||
| Atmospheric pressure 大氣壓強 | 86 | 106 | KPa | ||
| Storage Condition 存儲條件 | |||||
| Storage temperature 存儲溫度 | -5 | 30 | ℃ | ||
| Humidity (No Water-Drop) 濕度（無水汽凝結成水珠） | 40% | 60% | RH | ||
| Atmospheric pressure 大氣壓強 | 86 | 106 | KPa | ||
| Protection Parameters (for Single Cell). 保護參數（單節電性） | |||||
| Over-Charge voltage protection 過充保護 | |||||
| Over-Charge voltage alert 過壓報警 | Cell voltage ≥ 4210mV & 1Sec additional delay | ||||
| Over-Charge voltage protection 1 過充保護電壓1 | 4240 | ±40 | mV | ||
| Over-Charge voltage protection 2 過充保護電壓2 (硬件保護) | 4275 | ±40 | mV | ||
| Over-Charge voltage protection 3 過充保護電壓3 (硬件保護) | 4350 | ±35 | mV | ||
| Over-Charge voltage protection 1/2 release 過充保護1/2恢復電壓 | 4000 | ±40 | mV | ||
| Over-Charge voltage protection 3 release 過充保護3恢復電壓 | 4050 | ±35 | mV | ||
| Over-Charge voltage protection 1 delay time 過充保護1延遲時間 | 500 | 1000 | 2000 | mS | |
| Over-Charge voltage protection 2 delay time 過充保護2延遲時間 | 700 | 1000 | 1750 | mS | |
| Over-Charge voltage protection 3 delay time 過充保護3延遲時間 | 3000 | 4000 | 5000 | mS | |
| Over-Charge voltage alert/protection1/2 release delay time 過充報警/保護(1/2)恢復延遲時間 | 2000 | 3000 | 4000 | mS | |
| Over-Charge voltage protection 3 release delay time 過充保護3恢復延遲時間 | 10 | 16.5 | 25 | mS | |
| Cell Voltage Imbalance charge protection 不平衡禁止充電 | |||||
| Cell Voltage Imbalance charge protection 不平衡禁止充電 | Cell Voltage Imbalance≥0.4V & Cell voltage(Min)≥3400mV & 2Minutes additional delay | ||||
| Over-Discharge voltage protection 過放保護 | |||||
| Over-Discharge voltage alert 欠壓報警 | Cell voltage ≤ 3200mV & 3Sec additional delay | ||||
| Over-Discharge voltage alert release 欠壓報警釋放 | Cell voltage ≥ 3400mV & 3Sec additional delay | ||||
| Over-Discharge voltage protection 1 過放保護電壓1 | 2800 | ±100 | mV | ||
| Over-Discharge voltage protection 2 過放保護電壓2 (硬件保護) | 2600 | ±100 | mV | ||
| Over-Discharge voltage protection release 過放恢復電壓 | 3200 | ±100 | mV | ||
| Over-Discharge voltage protection release current (Charging state) 過放后充電解除 | Charge current ≥200mA | mA | |||
| Over-Discharge voltage protection 1 delay time 過放保護1延遲時間 | 500 | 1000 | 2000 | mS | |
| Over-Discharge voltage protection 2 delay time 過放保護2延遲時間 | 700 | 1000 | 1750 | mS | |
| Over-Discharge voltage alert/protection release delay time 過放恢復延遲 | 2000 | 3000 | 4000 | mS | |
| Into Shutdown mode 進入掉電模式 | 2800 | ±100 | mV | ||
| Into Shutdown mode delay time 進入掉電模式延遲時間 | 1800 | ±60 | S | ||
| Battery pack Over-Charge voltage protection 總電壓過充保護 | |||||
| Battery pack Over-Charge voltage alert 總電壓過壓報警 | Total voltage ≥ 42.1V & 1Sec additional delay | ||||
| Battery pack Over-Charge voltage protection 總電壓過壓保護 | 42.4 | ±0.4 | V | ||
| Battery pack Over-Charge voltage protection release 總電壓過壓恢復 | 40.0 | ±0.4 | V | ||
|
Battery pack Over-Charge voltage protection delay time 總電壓過充保護延遲時間 |
500 | 1000 | 2000 | mS | |
|
Battery pack Over-Charge voltage alert/protection release delay time 總電壓報警/過充恢復延遲時間 |
2000 | 3000 | 4000 | mS | |
| Battery pack Over-Discharge voltage protection 總電壓過放保護 | |||||
| Battery pack Over-Discharge voltage alert 總電壓過放報警 | Total voltage ≤ 32.0V & 3Sec additional delay | ||||
| Battery pack Over- Discharge voltage protection 總電壓過放保護 | 28.0 | ±0.5 | V | ||
| Battery pack Over-Discharge voltage protection release 總電壓過放恢復 | 32.0 | ±0.5 | V | ||
| Battery pack Over-Discharge voltage protection delay time 總電壓過放保護延遲時間 | 500 | 1000 | 2000 | mS | |
|
Battery pack Over-Charge voltage alert/protection release delay time 總電壓報警/過放恢復延遲時間 |
2000 | 3000 | 4000 | mS | |
| Charge Over-Current/Discharge Over-Current/Short circuit protection 充電過流/放電過流/短路保護 | |||||
| Over-Current charge alert 充電過流報警 | Charge current ≥5.5A & 3Sec additional delay | ||||
| Over-Current charge alert release 充電過流報警釋放 | Charge current ≤5A & 3Sec additional delay | ||||
| Over-Current charge protection 充電過流保護 | 7.0 | ±0.5 | A | ||
| Over-Current charge protection delay time 充電過流保護延遲時間 | 2000 | 3000 | 4000 | mS | |
| Over-Current charge protection release 充電過流保護釋放 | 10 Sec additional delay （連續3次充電過流鎖定，需要放電釋放。如電池處過放狀態，充電過流不鎖定） | ||||
| Over-Current charge protection release current (Discharge state) 充電過流后放電解除 | Discharge current ≥200mA | mA | |||
| Over-Current discharge alert 放電過流報警 | Discharge current ≥ 20A & 3Sec additional delay | ||||
| Over-Current discharge alert release 放電過流報警恢復 | Discharge current ≤ 18A & 3Sec additional delay | ||||
| Over-Current discharge protection 1 (Only in normal mode) 放電過流保護1 | 30 | ±3 | A | ||
| Over-Current discharge protection 2 (Only in normal mode) 放電過流保護2 | 45 | ±5 | A | ||
| Over-Current discharge protection 3 放電過流保護3 (硬件保護) | 78 | ±12 | A | ||
| Over-Current protection 1 delay time 放電過流保護1延遲 | 13 | 15 | 17 | S | |
| Over-Current protection 2 delay time 放電過流保護2延遲 | 500 | 1000 | 2000 | mS | |
| Over-Current protection 3 delay time 放電過流保護3延遲 | 160 | ±32 | mS | ||
| Over-Current protection 1/2/3 release 放電過流保護1/2/3釋放 | 延時15Sec自動恢復(如2分鐘之內，放電過流次數超過3次。則需要移除負載才能恢復) | ||||
| Short circuit discharge protection 放電短路保護 | 222 | ±34 | A | ||
| Short circuit protection delay time 放電短路保護延遲 | 400 | ±150 | uS | ||
| Short circuit protection release 過流和短路保護釋放 | 延時15Sec自動恢復(如2分鐘之內，放電過流次數超過3次。則需要移除負載才能恢復) | ||||
| Temperature protection 溫度保護 | |||||
| Charge over temperature alert 充電高溫報警 | Temperature ≥ 40℃ & 3Sec additional delay | ||||
| Charge low temperature alert 充電低溫報警 | Temperature ≤ 5℃ & 3Sec additional delay | ||||
| Discharging over temperature alert 放電高溫報警 | Temperature ≥ 60℃ & 3Sec additional delay | ||||
| Discharging low temperature alert 放電低溫報警 | Temperature ≤ -10℃ & 3Sec additional delay | ||||
| Mosfet over temperature alert Mosfet高溫報警 | Temperature ≥ 80℃ & 3Sec additional delay | ||||
| Temperature alert release 溫度報警釋放 | Hysteresis 5℃ & 3Sec additional delay | ||||
| Charge over temperature protection 充電過溫保護 | 48 | ±5 | ℃ | ||
| Charge over temperature protection release 充電過溫恢復 | 43 | ±5 | ℃ | ||
| Charge low temperature protection 充電低溫保護 | 0 | ±5 | ℃ | ||
| Charge low temperature protection release 充電低溫恢復 | 5 | ±5 | ℃ | ||
| Discharging over temperature protection 放電過溫保護 | 68 | ±5 | ℃ | ||
| Discharging over temperature protection release 放電過溫恢復 | 60 | ±5 | ℃ | ||
| Discharging low temperature protection 放電低溫保護 | -20 | ±5 | ℃ | ||
| Discharging low temperature protection release 放電低溫恢復 | -15 | ±5 | ℃ | ||
| Mosfet over temperature protection Mosfet過溫保護 | 85 | ±5 | ℃ | ||
| Mosfet over temperature protection release Mosfet過溫保護恢復 | 60 | ±5 | ℃ | ||
| Pre-Discharge Resistor over temperature protection 預放電電阻過溫保護 | 85 | ±5 | ℃ | ||
| Temperature protection delay time 溫度保護延遲 | 2000 | 3000 | 6000 | mS | |
| Temperature protection release delay time 溫度保護延遲 | 2000 | 3000 | 6000 | mS | |
| Cell balance 電芯平衡 | |||||
| Balance start voltage 平衡啟動電壓 | 3800mV（充電狀態）OR 3400mV（空閑狀態） | ±50 | mV | ||
| Balance start difference voltage between cells 平衡啟動壓差 | ≥50 | mV | |||
| Balance cut-off voltage Δcell voltage 平衡關斷電壓 | ≤30 | mV | |||
| Balance current 平衡電流 | ＜88 | mA | |||
| Balance condition 平衡條件 | Balance on charging mode or idle mode(在IDLE Mode 平衡開啟電壓3400mV，放電后需要靜置2小時才會開啟均衡) | ||||
| Current consumption 電流消耗 | |||||
| Normal mode 正常模式 | 8 | 15 | mA | ||
| Idle mode 空閑模式 | 500 | 700 | uA | ||
| Shut down mode (Vcell ≤ 2.8V) 掉電模式 | 70 | 100 | uA | ||
| Idle mode from Normal mode 正常模式進入空閑模式 | 無充/放電、無通訊活動、電池無故障，延遲2Minutes | ||||
| Wake up way(Shut down mode) 掉電模式喚醒方式 | |||||
| Wake up (Shut down mode) 掉電模式喚醒 | Charge (Minimum Gap Between PACK- and BAT- for Charger wake up: 2 ~ 3V ) | ||||
| Internal resistance PCB內阻 | |||||
| main discharging circuit internal resistance of the protection board BMS放電主回路內阻 | ≤20mΩ | ||||
| main charging circuit internal resistance of the protection board BMS充電主回路內阻 | ≤50mΩ | ||||
| Communication 通訊 | |||||
| Communication 通訊 | RS-485/UART | ||||
