Feature |
1). Applied to a load such as car cranking battery without need for this module to control current draw. |
2). With real-time monitoring function, and designed to signal when abnormal voltage levels show up, this module can be linked up with MOSFET switch unit thereby to work as a voltage protector or BMS. |
3). Temperature Sensibility Enable drives out signals when abnormal temperature shows up. NTC with 10KΩ,b=3200+/-150 is the s |
4). The module MCU of intelligence operates in the system, driving Cell Voltage Balance Unit to work, which has a current-bleeding capability up to 250m A.ensor. |
5). Combined with a battery charger, the VMS module can play a critical part as a cell balancer and cell protector of the CC-CV charger |
6). The Voltage Balancer has the design with no dissipating current in quiescent shut-down, escaping loss of battery energy and preventing the battery pack from damage due to further self-discharging after the voltage level of 2.00V comes up. |
Electric Characteristics
Item | Condition | Unit | Min | Typical | Max |
Detect Voltage Range | Detected cell volt range | V | 2.3 | - | 3.9 |
Cell voltage levels signals output for use | V | 2.3 | 3.9 | ||
Detect delay time | Delay time signals output | mS | 100 | ||
Temperature Detect | Detected temperature by NTD 10K 3200+-150 | ℃ | -20 | 65 | |
Current consumption | Average operation current consumption | mA | 3.6 | ||
Output voltage | O/P voltage= battery voltage– 10% battery voltage | V | 12.6 | ||
Output impedance | Output impedance | R | 150 | ||
Cell Balance | Max resistive bleeding current | mA | 150 | 250 | |
Cell volt starting to bleed current. ±1% | V | 3.5 | |||
Volt variance to start cell balancing ≧ | mV | 80 | |||
Balanced voltage variance among cells ≦ | mV | 80 | |||
System staying awake or wake-up condition | 1.Initial conduction with cells。 | YES | |||
2.Differential Charging Voltage > | V | 0.7 | |||
3.Discharging Current>= | A | 15 | |||
4. Single cell with a volt above 3.40V | V | 3.35 | 3.4 | 3.45 | |
System status remaining | 1. Awake after wake-up in a technical time interval | YES | |||
2. Remaining interval to stay awake after wake-up | Hrs | 3 | |||
3. Cell volts after a stable state for system to be awake without recounting time interval >= | V | 3.4 | |||
4. Cell volts after a stable state for system to recount time interval< | V | 3.4 | |||
5. During charging, re-count time interval = | Hrs | 3 | |||
6. During discharging, re-count time interval = | Hrs | 3 | |||
No dissipating current starts | Shut-down interval without wake-up condition>= | Hrs | 3 | ||
Dissipating current in shut-down | nA | 300 | |||
Absolute volt of cutting off current drain=< | V | 2.00 | |||
Dimension | 90mmx42mmx15mm |