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    Battery Management

    Battery management devices are designed to work alongside battery powered applications. Adding a battery management IC to an electronic circuit can help to create a more efficient and reliable design which will last longer. Battery management can be used to reduce charging time, whilst enabling safe charging and low standby power usage. As electronic systems become more complex, it is essential to provide support through battery and power management ICs.

    Battery management can be used with different types of battery, depending on the device. These battery types include lead-acid, Li-Ion, Lithium-Polyment, NiCD and NiMH.

    Types of Battery Management IC

    • Battery Chargers are designed to help charge the battery quickly whilst keeping it cool. Chargers work with rechargeable battery packs.
    • Battery Fuel Gauges are available to give information on the charge of a battery. The fuel gauge gives information on the amount of charge available and the health status.
    • Battery Monitors (or Battery Backup Managers) provide monitoring and supervision of the battery performance. They can monitor the voltage, current and temperature to prevent any damage to the battery. Battery backup managers offer backup power from the battery in case of a power outage.

    Where are Battery Management ICs used?

    These devices are found in most systems that use a rechargeable battery power supply, such as portable and wearable devices. Applications include:

    • Smartphones
    • Laptops
    • Tablets
    • Cameras
    • Battery Powered Tools
    • Electric cars
    • Solar Panels
    • Automation

    What is a BMS?

    BMS stands for Battery Management System. This is an electronic circuit that monitors and protects a rechargable battery. Battery Management Systems feature devices such as a charge controller, gauge and surge protector, to ensure that the battery does not operate outside of its capabilities. Therefore a BMS provides protection and increases the potential lifespan of the battery.

    308 產品顯示為 Battery Management

    Renesas Electronics
    Lithium-Ion
    Surface Mount
    Battery Charge Controller IC
    TQFN
    48
    -
    6 x 6 x 0.75mm
    6mm
    6mm
    0.75mm
    +85 °C
    62µA
    2.5 V
    -40 °C
    Nordic Semiconductor
    Lithium-Ion, Lithium-Polymer
    Surface Mount
    Power Management IC
    QFN32
    32
    5.5 V
    -
    -
    -
    -
    -
    50mA
    -
    -
    STMicroelectronics
    Lithium-CF
    Through Hole
    Battery Backup IC
    SNAPHAT
    4
    2.8 V
    21.84 x 14.99 x 7.75mm
    21.84mm
    14.99mm
    7.75mm
    +70 °C
    -
    -
    0 °C
    Microchip
    Lithium-Ion
    Surface Mount
    Battery Charge Controller IC
    DFN
    10
    4.2 to 6.5 V
    3 x 3 x 0.88mm
    3mm
    3mm
    0.88mm
    +85 °C
    1.1A
    -
    -40 °C
    STMicroelectronics
    Lithium-CF
    Through Hole
    Battery Backup IC
    SNAPHAT
    4
    3 V
    21.84 x 18.03 x 8.51mm
    21.84mm
    18.03mm
    8.51mm
    +85 °C
    -
    -
    -40 °C
    Nordic Semiconductor
    Lithium-Ion, Lithium-Polymer
    Surface Mount
    Power Management IC
    QFN24
    24
    5 V
    -
    -
    -
    -
    -
    660mA
    -
    -
    Nordic Semiconductor
    Lithium-Ion, Lithium-Polymer
    Surface Mount
    Power Management IC
    QFN32
    32
    5.5 V
    -
    -
    -
    -
    -
    50mA
    -
    -
    Microchip
    Lithium-Ion, Lithium-Polymer
    Surface Mount
    Battery Charge Controller IC
    QFN
    20
    4.5 → 6 V
    4 x 4 x 0.88mm
    4mm
    4mm
    0.88mm
    +85 °C
    1A
    -
    -40 °C
    Nordic Semiconductor
    Lithium-Ion, Lithium-Polymer
    Surface Mount
    Power Management IC
    QFN24
    24
    5 V
    -
    -
    -
    -
    -
    660mA
    -
    -
    Texas Instruments
    Lithium-Ion, Lithium-Phosphate
    Surface Mount
    -
    TSSOP
    44
    6 V
    -
    -
    -
    -
    -
    -
    -
    -
    STMicroelectronics
    -
    Surface Mount
    Battery Fuel Gauge IC
    CSP
    10
    2.7 to 4.5 V
    2.04 x 1.4 x 0.37mm
    2.04mm
    1.4mm
    0.37mm
    +85 °C
    -
    6 V
    -40 °C
    Texas Instruments
    -
    Surface Mount
    -
    SOIC
    6
    4.2 V
    -
    -
    -
    -
    -
    800mA
    -
    -
    Texas Instruments
    Lithium-Ion
    Surface Mount
    Battery Charge Controller IC
    WSON
    10
    30 V
    -
    -
    -
    -
    -
    500mA
    -
    -
    onsemi
    Lithium-Ion
    Surface Mount
    Battery Fuel Gauge IC
    WLCSP-12
    12
    5 V
    -
    -
    -
    -
    -
    -
    -
    -
    Texas Instruments
    Lead-Acid
    Surface Mount
    Battery Charge Controller IC
    SOIC
    16
    5 to 40 V
    10.5 x 7.6 x 2.35mm
    10.5mm
    7.6mm
    2.35mm
    +70 °C
    >2A
    2.6 V
    -40 °C
    Texas Instruments
    Lithium-Ion, Lithium-Polymer
    Surface Mount
    Battery Charge Controller IC
    SOIC
    8
    4.5 to 15 V
    4.9 x 3.91 x 1.58mm
    4.9mm
    3.91mm
    1.58mm
    +70 °C
    -
    -
    -20 °C
    Texas Instruments
    Lead-Acid
    Surface Mount
    -
    SOIC-16
    16
    40 V
    -
    -
    -
    -
    -
    -
    -
    -
    Microchip
    Lithium-Ion, Lithium-Polymer
    Surface Mount
    Battery Charge Controller IC
    SOT-23
    5
    3.75 to 6 V
    3.1 x 1.8 x 1.3mm
    3.1mm
    1.8mm
    1.3mm
    +85 °C
    -
    -
    -40 °C
    Texas Instruments
    NVDC
    Surface Mount
    Controller IC
    WQFN
    28
    24 V
    -
    -
    -
    -
    -
    1mA
    -
    -
    Microchip
    Lithium-Ion, Lithium-Polymer
    Surface Mount
    Battery Charge Controller IC
    MSOP
    10
    3.75 to 6 V
    3 x 3 x 0.85mm
    3mm
    3mm
    0.85mm
    +85 °C
    -
    -
    -40 °C
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