🟦 Basic Specifications
Model NO.:PCM-L04S25-E93
Layers:Multilayer
Base Material:FR-4
Certification:RoHS, CCC
Condition:New
Specified Types:4s Li-ion/Li-Polymer/LiFePO4
Charging Voltage:16.8V (Li-ion) / 14.4V (LiFePO4)
Continuous Current:25A (Max)
Discharge Protection:70±5A (Adjustable)
Balance Function:Yes
Warranty:12 Months
Dimensions:L110 * W50 * T18mm
🟦 Product Features
✔
Versatile compatibility for 4S Lithium-ion, Lithium Polymer, and LiFePO4 battery packs.
✔
25A maximum continuous working current with a unified interface for charging and discharging.
✔
Comprehensive safety: Overcharge, over-discharge, short circuit, overcurrent, and temperature protection.
✔
High-quality control scheme adopting the Seiko S-8254 series for precision and reliability.
✔
Integrated electronic switch function for advanced power management.
🟦 Technical Parameter Sheet
| Items |
Lithium-ion/Polymer |
LiFePO4 |
| Charge |
Charging voltage (CC/CV)-4S |
16.8V |
14.4V |
| Max. continuous charging current |
25A (Max) |
| Discharge |
Max. continuous discharging current |
25A (Max) |
| Current Consumption |
Operation mode |
<20μA |
| Power down mode |
<0.1μA |
| Cell-Balance |
Detection voltage |
4.20 ± 0.03 V |
3.60 ± 0.03 V |
| Release voltage |
4.20 ± 0.03 V |
3.60 ± 0.03 V |
| Balance current |
84 ±3mA |
74 ±3mA |
| Over-charge |
Detection voltage |
4.25±0.025V |
3.900 ± 0.025V |
| Release voltage |
4.15±0.05V |
3.800 ± 0.050V |
| Delay time |
0.5~2S |
| Over-discharge |
Detection voltage |
2.50±0.062V |
2.00±0.080V |
| Release voltage |
3.0±0.075V |
2.30±0.100V |
| Delay time |
100~300mS |
| Over-current |
Detection voltage |
0.2±0.015V |
0.10±0.015V |
| Protection current |
70±5A (Adjustable) |
| Release condition |
Cut-off load |
| Resistance |
Static Drain-Source On-Resistance |
<20mΩ (B- to P-) |
| Temperature |
Operation Range |
-40 ~ +85ºC |
🟦 Product Showcase
❓ Frequently Asked Questions
Q: What types of battery packs is this PCM/BMS compatible with?
A: It is designed for 4-section Lithium-ion, Lithium Polymer, and LiFePO4 battery packs. Technical specifications for both Li-ion and LiFePO4 are provided in the parameter sheet.
Q: What is the maximum current this module can handle?
A: The module supports a maximum continuous charging and discharging current of 25A. The discharge overcurrent protection is set at 70±5A and is adjustable.
Q: Does this module include a balancing function?
A: Yes, it features integrated cell balancing with a detection voltage of 4.20V for Li-ion and 3.60V for LiFePO4.
Q: What are the primary protection features?
A: It provides overcharge protection, over-discharge protection, short circuit protection, overcurrent protection, and temperature protection.
Q: What is the operating temperature range for this BMS?
A: The module operates efficiently across a wide temperature range from -40ºC to +85ºC, with storage capabilities up to +125ºC.
Q: What components are used in this protection scheme?
A: The scheme adopts the reliable Seiko S-8254 series integrated circuits for precise monitoring and control.
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