Overseas sale：Annie Yi
Mobile：0086 18998935574
E-mail：sales7@szjlgw.com
WhatApp: 0086 18998935574
Tel：0755-33160538
Fax：0755-29644707
Add：Building 1st,.Quanyuanfa Industrial Park,Zhucun,Guanlan Street,Bao'an District, Shenzhen
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16S 20S 24S 40A 50A 60A BMS Board Li-ion Lifepo4 Battery BMS Protection PCB Board with active balance for lithium battery pack 3S~24S BMS Battery type: Lifepo4, Li-ion Supported current: 25A ~ 60A Balance: Active Balance Temperature Sensor: Yes Size: 160 * 100 mm  |
Product features:
1. FR4, lead-free PCB board;
2. Functions: over charge protection, over discharge protection, over current protection,
short circuit protection, cell balance etc.
3. Both same port and separate port are available
4. Accurate physical size, tolerance can be controlled within 0.1mm.
5. ODM/OEM are available
BMS Datasheet:
項目 Project | 符號 Symbol | 詳細內容 The detailed content | 三元標準 NCM Standard | 鐵鋰標準 LFP Standard |
過充保護 Overcharge protection | VDET1 | 單節(jié)過充電檢測電壓 Single overcharge detection voltage | 4.25V±0.03V | 3.65V±0.03V |
tVDET1 | 過充電檢測延遲時間 Overcharge detection delay time | 1.5s（MAX） | 1.5s（MAX） | |
VREL1 | 單節(jié)過充電解除電壓 Single overcharge release voltage | 4.15V±0.03V | 3.45V±0.03V | |
電量平衡 Cell balance | VBU | 電量平衡檢測電壓 Cell-balance detection voltage | 壓差Voltage difference≧0.1V | 壓差Voltage difference≧0.1V |
VBL | 電量平衡解除電壓 Cell-balance release voltage | 壓差Voltage difference≦0.03V | 壓差Voltage difference≦0.03V | |
IB | 電量平衡電流 Balance current | 450mA | 450mA | |
過放保護 Over-discharge protection | VDET2 | 單節(jié)過放電檢測電壓 Single over-discharge detection voltage | 2.70V±0.1V | 2.50V±0.05V |
tVDET2 | 過放電檢測延遲時間 Overdischarge detection delay time | 1.5s（MAX） | 1.5s（MAX） | |
VREL2 | 單節(jié)過放電解除電壓 Single overdischarge release voltage | 3.0V±0.1V | 3.0V±0.05V | |
過流保護 Over current protection | IDP1 | 一級過電流保護電流 Level 1 overcurrent protection current | 150A±20A | 150A±30A |
tVDET1 | 檢測延遲時間 Detection delay time | 1.0s（MAX） | 1.0s（MAX） | |
IDP2 | 二級過電流保護電流 Level 2 overcurrent protection current | / | / | |
tVDET2
| 檢測延遲時間 Detection delay time | 300ms（MAX） | 300ms（MAX） | |
短路保護 Short circuit protection | 外部電路短路 Exterior short circuit | yes | yes | |
TSHORT | 檢測延遲時間 Detection delay time | 1500us（MAX） | 1500us（MAX） | |
保護解除條件 Protection of release condition | 斷開負載 Disconnecting the load | 斷開負載 Disconnecting the load | ||
內阻 Resistance | RDS | 主回路通態(tài)電阻（電池電壓=3.4V） Main loop resistance (battery voltage = 3.4V) | B-至P- RDS≤20mΩ | B-至P- RDS≤20mΩ |
消耗電流 Current consumption | IDD | 工作時電路內部消耗 Internal consumption during operation of the circuit | ≤60μA | ≤60μA |
充電最高耐壓 Charging maximum Voltage | VDS | 充電端口接充電器最高承受的電壓值 Charging port connected to the charger maximum withstand voltage value | DC 80V | DC 80V |
芯片最高耐壓 Chip maximum Voltage | VDS | 每串電池節(jié)點VDD-VSS之間輸入電壓 Input voltage between each string battery node VDD-VSS | DC 5V | DC 5V |
持續(xù)放電電流 Continuous Discharge Current
| 可持續(xù)放電電流 Sustainable discharge current | 50A | 150A | |
持續(xù)充電電流 Continuous charge current | 可持續(xù)充電電流 Sustainable charging current | 50A | 50A | |
額定電流Mosfet溫升 Rated current temperature Mosfet | 在額定電流放電過程MOSFET表面溫升 Rated current discharge MOSFET surface temperature | ＜45° | ＜45° | |
溫度控制開關 Temperature control switch | 在額定溫度下關閉充放電功能。 Close the charging and discharging function at above rated temperature | 充電/Charging 75℃ 放電/Discharging 75℃ | 充電/Charging 75℃ 放電/Discharging 75℃ | |
充電反向保護 Charging reverse protection | 充電時，避免充電的正極性和負極性反接。 When charging, avoid the positive polarity and negative polarity reversal of charging. | 無/NO | 無/NO | |
PCB尺寸 PCB Size
| PCM長、寬、高 PCB Length, Width, Thickness | ≦160*100*15mm | ≦160*100*15mm |
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