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3S 8A Lithium Battery Smart Protection Board (SMBUS-Compatible)
| Tempat asal | Cina |
|---|---|
| Nama merek | BAKTH |
| Nomor model | Bakth-0030100039-01 |
| Kuantitas min Order | 5 buah |
| Harga | us$18.19 |
| Waktu pengiriman | 10~12 hari |
| Syarat-syarat pembayaran | T/T |
| Menyediakan kemampuan | 1000PCS/BULAN |
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xDetail produk
| Nomor model | Bakth-0030100039-01 | Arus pelepasan terus menerus | 8a |
|---|---|---|---|
| Deteksi Harga Berlebih | 4.230V±0.050V (Dapat Disesuaikan) | Seri didukung | 3 detik |
| Jenis penyeimbang | Aktif/Pasif (Opsional) | Deteksi Pelepasan Berlebih | 2.800V±0.0250V (Dapat Disesuaikan) |
| Ukuran | 64,64×38,35×2,83mm |
Deskripsi Produk
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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