Lithium battery protection board
1、Application and features: A. suitable for 2-24 lithium iron phosphate batteries in series B. perfect overcharge protection, over discharge protection, overcurrent protection and short circuit protection C. each battery has independent balance function D. the protection board has CANbus and 485 communication functions.
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product details
一、應用及特點:
a. 適用于2-24節串聯磷酸鐵鋰電池組
b. 完善的過充保護、過放保護、過流保護、短路保護功能
c. 每組電池具有獨立的平衡功能
d. 保護板具有Canbus、485通訊功能
二、電氣性能:
序號 | 檢測項目 | 更小 | 典型 | 更大 | 單位 | |
1 | 充電電壓 | V | ||||
2 | 充電MOS耐壓值 | DC75 | V | |||
3 | 放電MOS耐壓值 | DC100 | V | |||
4 | 充電電流 | 100 | 120 | A | ||
5 | 放電電流 | 100 | 120 | A | ||
6 | 過電流保護(100A電子負載) | 300 | 330 | 360 | A | |
7 | 單節自耗電流(3.55V) | 90 | 100 | 120 | uA | |
8 | 單節平衡電流(3.60V) | 190 | 210 | 220 | mA | |
9 | 單節平衡電壓 | 3.65 | 3.68 | 3.70 | V | |
10 | 單節過充檢測電壓 | 3.850 | 3.900 | 3.950 | V | |
11 | 過充恢復電壓 | 3.775 | 3.800 | 3.825 | V | |
12 | 過充檢測延時 | 0.96 | 1.20 | 1.44 | S | |
13 | 單節過放檢測電壓 | 1.95 | 2.00 | 2.05 | V | |
14 | 過放恢復電壓 | 2.25 | 2.30 | 2.35 | V | |
15 | 過放檢測延時 | 115 | 144 | 172 | ms | |
16 | 短路/過放/過流保護恢復(100A電子負載) | 短路/過放/過流保護后移除負載自動恢復 | ||||
17 | 保護線路內阻 | 0.4 | 0.6 | mΩ | ||
18 | 正常電流Mosfet溫升(最大負載) | 65 | 80 | oC | ||
19 | 放電電池溫度保護 | 60 | 65 | 70 | oC | |
20 | 工作溫度范圍 | -20 | +25 | +55 | oC | |
21 | 保存溫度范圍 | -20 | +25 | +80 | oC |