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3S 8A Lithium Battery Smart Protection Board (SMBUS-Compatible)
| 원래 장소 | 중국 |
|---|---|
| 브랜드 이름 | BAKTH |
| 모델 번호 | Bakth-0030100039-01 |
| 최소 주문 수량 | 5개 |
| 가격 | us$18.19 |
| 배달 시간 | 10~12days |
| 지불 조건 | 티/티 |
| 공급 능력 | 1000PCS/월 |
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x제품 상세 정보
| 모델 번호 | Bakth-0030100039-01 | 연속 방전 전류 | 8A |
|---|---|---|---|
| 과충전 감지 | 4.230V±0.050V(조정 가능) | 시리즈 지원 | 3초 |
| 밸런싱 유형 | 능동/수동(선택 사항) | 과방전 감지 | 2.800V±0.0250V(조정 가능) |
| 치수 | 64.64×38.35×2.83mm |
제품 설명
Product Overview
The 2S (2-series) 20A Smart Battery Management System (BMS) represents a core component in managing and protecting low-voltage lithium-ion battery packs. With the proliferation of portable electronics, backup power systems, and small-scale electric mobility, the demand for reliable, compact, and intelligent protection boards has surged. This case study analyzes the functionality, adaptability, and implementation scenarios of a typical 2S 20A BMS, demonstrating its role in enhancing system safety, extending battery life, and enabling smart energy management across diverse applications.
Technical Specifications
| Parameter | Value |
|---|---|
| Over Current Discharge | 9.0A±0.5A (Adjustable) |
| Over Current Charge | 8.0A±0.5A (Adjustable) |
| Discharging Temperature | -20~60℃ (Adjustable) |
| Charge Temperature | 0~45℃ (Adjustable) |
Key Features:
Overcharge Protection: Cuts off the charging current when any cell voltage exceeds a safe upper limit (e.g., 4.25V for ternary lithium), preventing electrolyte decomposition and thermal runaway.
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Over-discharge Protection: Disconnects the load when cell voltage falls below a minimum threshold (e.g., 2.5V-3.0V), protecting against capacity loss and cell reversal.
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Overcurrent & Short-Circuit Protection: Detects and interrupts excessive discharge currents or short circuits, typically using high-speed MOSFETs rated for 20A continuous current, safeguarding the pack and connected devices from damage.
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Temperature Monitoring: Integrates a Negative Temperature Coefficient (NTC) thermistor to monitor battery temperature. It can trigger protection or send alerts if temperatures exceed safe operating windows.
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Cell Balancing: Many smart BMS units incorporate passive balancing, where a small resistor bleeds off excess charge from the higher-voltage cell in the pack during charging. This ensures both cells reach full charge simultaneously, improving capacity utilization and longevity. Advanced models may feature active balancing with greater efficiency.
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