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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.

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    Product Details
    Price
    Brand
    Battery Type
    Mounting Type
    IC Type
    Package Type
    Pin Count
    Typical Operating Supply Voltage
    Dimensions
    Length
    Width
    Height
    Maximum Operating Temperature
    Maximum Output Current
    Maximum Output Voltage
    Minimum Operating Temperature
    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
    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, 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
    500mA
    -
    -40 °C
    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
    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
    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
    Analog Devices
    Lead-Acid, Lithium-Ion, NiCD, NiMH
    Through Hole
    Battery Charge Controller IC
    PDIP
    8
    2.7 to 29 V
    10.16 x 6.48 x 3.3mm
    10.16mm
    6.48mm
    3.3mm
    +70 °C
    -
    -
    0 °C
    Texas Instruments
    Lead-Acid
    Through Hole
    Battery Charge Controller IC
    PDIP
    16
    -
    19.3 x 6.35 x 4.57mm
    19.3mm
    6.35mm
    4.57mm
    +70 °C
    40mA
    -
    -20 °C
    STMicroelectronics
    -
    Through Hole
    Battery Backup IC
    SNAPHAT
    4
    -
    21.84 x 14.99 x 6.99mm
    21.84mm
    14.99mm
    6.99mm
    +70 °C
    -
    -
    0 °C
    Analog Devices
    Lead-Acid, LiFePO4, Lithium-Ion, Lithium-Polymer
    Surface Mount
    Battery Charge Controller IC
    LGA
    77
    6 to 32 V
    15 x 9 x 4.42mm
    15mm
    9mm
    4.42mm
    +125 °C
    -
    -
    -40 °C
    STMicroelectronics
    Lithium-Ion
    Through Hole
    Battery Backup IC
    SNAPHAT
    4
    2.8 V
    21.84 x 14.99 x 6.99mm
    21.84mm
    14.99mm
    6.99mm
    +85 °C
    -
    -
    -40 °C
    STMicroelectronics
    Lithium-Ion
    Through Hole
    Battery Backup IC
    SNAPHAT
    4
    2.8 V
    21.84 x 14.99 x 6.99mm
    21.84mm
    14.99mm
    6.99mm
    +85 °C
    -
    -
    -40 °C
    Microchip
    Lithium-Ion, Lithium-Polymer
    Surface Mount
    Battery Charge Controller IC
    QFN
    20
    4.5 to 6 V
    4 x 4 x 0.88mm
    4mm
    4mm
    0.88mm
    +85 °C
    1A
    -
    -40 °C
    STMicroelectronics
    Lithium-Ion
    Through Hole
    Battery Backup IC
    SNAPHAT
    4
    2.8 V
    21.84 x 14.99 x 6.99mm
    21.84mm
    14.99mm
    6.99mm
    +85 °C
    -
    -
    -40 °C
    Microchip
    Lithium-Ion, Lithium-Polymer
    Surface Mount
    Battery Charge Controller IC
    QFN
    20
    4.5 to 6 V
    4 x 4 x 0.88mm
    4mm
    4mm
    0.88mm
    +85 °C
    1A
    -
    -40 °C
    STMicroelectronics
    Lithium-Ion
    Through Hole
    Battery Backup IC
    SNAPHAT
    4
    2.8 V
    21.84 x 14.99 x 6.99mm
    21.84mm
    14.99mm
    6.99mm
    +85 °C
    -
    -
    -40 °C
    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
    500mA
    4.232 V
    -40 °C
    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
    500mA
    4.232 V
    -40 °C
    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
    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
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