6S 20A 22.2V NMC BMS with Balance for Lithium Battery Pack - (TDT-9027) is a 6-series lithium-ion NMC Battery Management System designed for 22.2V nominal battery packs. The board supports a 6S common-port configuration with a 20A charging current and 20A discharging current. It provides cell-level protection and balancing functionality for NMC battery packs and uses separate battery negative (B-) and discharge negative (P-) connections as indicated on the product. The TDT-9027 family is associated with overcharge, over-discharge, over-current, short-circuit, and temperature protection functions, with the documented TDT-9027 design using passive cell equalization.
6S 20A 22.2V BMS with Active Balancer for Lithium Battery Pack Datasheet
| Specification | Value |
|---|---|
| Manufacturer | TDT |
| Model Number | TDT-9027 |
| Product Type | NMC Battery Management System |
| Battery Chemistry | NMC Lithium-Ion |
| Battery Configuration | 6S |
| Number of Cells in Series | 6 |
| Nominal Battery Voltage | 22.2V |
| Maximum Charge Voltage | 25.2V |
| Charging Current | 20A |
| Discharging Current | 20A |
| Port Configuration | Common Port |
| Balancing | Yes |
| Balancing Type | Passive Equalization |
| Overcharge Protection | Yes |
| Over-Discharge Protection | Yes |
| Over-Current Protection | Yes |
| Short-Circuit Protection | Yes |
| Temperature Protection | Yes |
| Temperature Sensor | Included |
| Main Battery Negative | B- |
| Discharge Negative | P- |
| Battery Type | Rechargeable NMC Lithium-Ion |
| Cell Arrangement | 6 Cells in Series |
| Connection Type | Wired Balance Connector |
| PCB Construction | FR-4 |
| Mounting | PCB Module |
| Application | 6S NMC Battery Pack Protection |
| Connection | Function |
|---|---|
| B- | Battery Pack Negative |
| P- | Discharge Negative / Common Port Negative |
| Balance Connector | Cell Voltage Monitoring and Balancing Connections |
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1 × 6S 20A 22.2V NMC BMS TDT-9027
1 × Balance Wire Harness
1 × Temperature Sensor Cable
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