BMS Akü Yönetim Sistemi aynı zamanda lityum iyon akü koruma panosu olarak da adlandırılır, lityum iyon pil paketinde gereklidir. Kendi pil paketinizi DIY yaparken, Uygun BMS'nin nasıl seçileceği konusunda kafanız karışabilir. Örneğin, BMS'ye ortak bir bağlantı noktasına mı yoksa ayrı bir bağlantı noktasına mı ihtiyacım olacak?? Bu makalede, bazı ipuçları paylaşacağız.

The same port, charge, and discharge share a negative pole C-, only one lead wire is needed, the charging/discharging MOSs appear in pairs, and the charging current of the same port board is as large as the discharging current. It requires 2 wires out from the BMS.

The advantage of the common port BMS is that it has only 2 wires out, is easy to connect, and is much more commonly used while replacing the old BMS.

The disadvantage of the common port BMS is that the charge control and discharge control MOS on the protection board is required to be exactly the same, and the current will pass through the charge control MOS during discharge, which increases the cost, iç direnç, and heat.

Ayrı liman, the charging and discharging negative poles are separated, each needs to lead out a line, the discharge terminal is connected to P-, the charging terminal is connected to C-, and the discharge circuit does not pass through the charging MOS. It requires 3 wires out from the BMS.

Since the charging current is small and the discharge current is large, the separate port can save the cost of the MOS that is used in the charging circuit, the MOS can be smaller. What’s more, the separate port can make the heat reduced while the BMS is working.

The disadvantage is that there is an extra wire, which is not suitable for use on some occasions.