女人天堂AV在线

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    Ultra Low Power Energy Harvesting Battery Boost Converter Design

    TI's BQ25504 is a new integrated nano-energy energy harvesting power management solution that is ideal for ultra-low power applications with special needs. The product is specifically designed to efficiently acquire and manage microwatts and milliwatts of electricity, usually from a variety of photovoltaic solar DC sources or thermal motor generators. The BQ25504 is a highly efficient implementation of converters or chargers for products and systems, for example in applications where there is a stringent need for operational power consumption in radio sensor networks. The DC/DC boost converter/charger, designed with the BQ25504, requires only milliwatts of power to operate.

    BQ25504 main features

    The BQ25504 is an ultra low power, high efficiency DC/DC boost converter/charger.

    Continuously harvest energy from low input sources: VIN a‰¥ 80mV (typical) Ultra low quiescent current: IQ "330 nA (typical)

    BQ25504 block diagram

    Figure 1 BQ25504 block diagram

    BQ25504 design schematic

    Figure 2 BQ25504 design schematic

    Cold start voltage: VIN a‰¥ 330 mV (typical), programmable dynamic maximum power point tracking (MPPT)

    Integrated dynamic maximum power point tracking for extracting optimal energy (from various energy sources), input voltage regulation, preventing input source energy damage

    Energy can be stored in rechargeable lithium-ion batteries, thin-film batteries, supercapacitors, or traditional capacitor batteries, charging and protection

    User programmable undervoltage and overvoltage

    On-chip temperature sensor, programmable over-temperature shutdown battery status output

    Battery good output pin

    Programmable threshold and hysteresis

    Power loss microcontroller warning

    Load that can be used to enable/disable the system

    BQ25504 application

    Energy harvesting

    solar power charger

    Thermal Power Generator (TEG) acquisition

    Wireless Sensor Network (WSN)

    Industrial monitoring

    Environmental monitoring

    Bridge Structure Health Monitoring (SHM)

    Intelligent building control

    Portable and wearable medical devices

    Entertainment system remote control

    BQ25504 reference design main features

    BQ25504 design plan material list

    Table 1 BQ25504 design plan material list

    Evaluation module of BQ25504

    Ultra Low Power Boost Converter/Charger and Battery Management for Energy Harvesting Applications

    Undervoltage, overvoltage resistor programmable settings, flexible battery management, POTS including fine-tuning settings (not assembled on board)

    Programmable push-pull output indicator for battery status (VBAT_OK)

    Key signal test points for testing, easy to detect connections

    Jumpers are easy to change settings

    The traffic signal lamp is to enhance road traffic management,reduce traffic accidents,improve road use efficiency,a kind of important equipment to improve traffic.Modern lighting according to the requirements of users can install electronic monitoring system and traffic safety facilities design,traffic safety for the city civilization a contribution.Our company's signal light series products mainly include Solar mobile Traffic Signal lights,Cantilever type Traffic Signal Lamp,Cantilever type Traffic Signal Lamp.

    Traffic Signal Lamp


    Traffic Equipment Series

    Traffic Equipment Series,Traffic Equipment Rental,Traffic Equipment Company,Safety Traffic Equipment

    Jiangsu chengxu Electric Group Co., Ltd , http://www.chengxulighting.com

    女人天堂AV在线

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