Portable B-mode ultrasound scanner facilitate mobile indoor and outdoor operations for medical personnel, providing continuous, efficient and stable mobile power has become the greatest guarantee for the normal operation of such equipment. The scheme uses high-performance cell, so that the entire battery has high energy ratio, light mass, small volume, high cycle life, high safety, high consistency and so on. Power management scheme, the use of high-intelligence SBS battery management system, battery safety and power management.
About the B-ultrasonic battery solution as following:
Nominal voltage: 14.8V
Nominal capacity: 4400mAh
Standard continuous charging current: 0.2C
Maximum continuous charging current: 1C
Standard continuous discharge current: 0.2C
Maximum continuous discharge current: 1C
Working temperature: Charging: 0~45°C; Discharge: -20~60°C
Product size: 38*73.5*70.5mm
Finished product internal resistance: ≤250mΩ
Standard weight: 400g
1) PCM: Mainly for the rechargeable intelligent battery pack design of the protection line, due to the chemical characteristics of the lithium battery itself, it is necessary to provide intelligent power calculation, overcharge, over-release, short-circuit, overcurrent and over-temperature protection functions. to avoid risks such as burning, explosion, etc.
2) AFE /IC: the main protective function chip of the design scheme, which is monitored on-line with the functions of charging, over-letting, overcurrent, short circuit, etc. Enables the core to operate within a safe, stable and efficient range.
3) Lithium ion 18650 cell.
4) MOSFET: MOSFET tube, in the protection circuit acting as a switch, so that the voltage at both ends of the load will not rise or will not decrease, to ensure that the voltage is stable.
5) Power Management Control Chip: A fully functional power detector with an analog-to-digital converter (ADC) for measuring voltage and temperature and an analog-to-digital converter for measuring current and charging sensing. The power meter has a microprocessor that performs a power detection and provides information such as the remaining state of power ,Remaining State of The Capacity, and the BQ2085 chip also provides running time (Run Time to Empty). The host can query the battery meter at any time to notify the user of the battery information. The power meter is very convenient to use, so that the user can keep up with the battery power at all times.
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