4S 20A lipo BMS
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The 4S 20A LiPo Battery Management System (BMS) is designed to manage and protect 4-cell lithium polymer (LiPo) battery packs. This BMS provides essential safety features such as overcharge, over-discharge, overcurrent, and short-circuit protection. It ensures balanced charging and discharging of each cell to prolong battery life and maintain optimal performance. The BMS is suitable for various applications, including electric vehicles, drones, RC models, and portable electronics.
Key Features:
- Supports 4-series (4S) LiPo battery packs
- Continuous discharge current: 20A
- Overcharge protection
- Over-discharge protection
- Overcurrent and short-circuit protection
- Balanced charging to ensure cell longevity
- Compact design for easy integration
- High-quality components for reliability
- Cell Configuration: 4S (4 cells in series)
- Maximum Continuous Discharge Current: 20A
- Overcharge Protection Voltage: 4.25V ± 0.05V per cell
- Over-discharge Protection Voltage: 2.8V ± 0.05V per cell
- Overcurrent Protection: Yes
- Short-circuit Protection: Yes
- Balancing Current: 60mA
- Operating Temperature Range: -40°C to +85°C
- Electric vehicles (e-bikes, e-scooters)
- Drones and quadcopters
- RC cars, boats, and planes
- Portable electronic devices
- Power tools
- Battery backup systems
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment