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SGM4056 Datasheet with Chat AI
  • AIauthorized

    Hello, Please ask a question about SGM4056_17 Datasheet

  • # Example questions: ➢ What is the relationship between temperature and trickle charge current, as demonstrated in the provided graphs?
    ➢ What is the over-voltage protection threshold at -25°c when v_bat = 4.3v and r_iref = 120kω?
    ➢ What is the typical pmos on resistance at 25°c with a gate voltage of 8v and a current of 500ma?

  • Part No.SGM4056_17
    ManufacturerSGMICRO
    Size1Mb
    Pages20 pages
    DescriptionHigh Input Voltage Charger
    Datasheet Summary with AI

    Okay, here's a summary of the data provided in the document, broken down into key sections, along with the most important information:

    1. Electrical Characteristics (Key Parameters)

    ️· Over-Voltage Protection (OVP): The OVP threshold varies slightly with temperature, around 6.8V to 6.86V (for R_IREF = 120kΩ and V_BAT = 4.3V). It also has a curve showing the characteristics for 10.5V (for R_IREF = 10kΩ).
    ️· VIN Pin Supply Current: This parameter demonstrates the current draw on the VIN pin, influenced by temperature and the disabling/enabling of the charger.
    ️· PMOS On Resistance: This is depicted varying with temperature.
    ️· Trickle Charge Current: This chart shows the variation with temperature.

    2. Temperature Dependence

    ️· Temperature Variation: The graphs show how many of these parameters change with temperature (typically -50°C to 100°C). This is *critical* for understanding how the chip will behave in different operating environments.

    3. General Performance & Relationships

    ️· VIN Pin Supply Current: Affected by both temperature *and* whether the charger is enabled or disabled.
    ️· Output Voltage (VOUT) vs. Temperature: The output voltage is shown to have some minor fluctuations with temperature.
    ️· Charge Current vs. Temperature: Shown changing depending on temperature.

    4. Key Graphs and Their Focus


    ️· IREF Pin Output Voltage vs. Temperature: Displays the influence of temperature on the reference current.
    ️· Charge Current vs. Temperature: Shows the behavior of charge current under varying temperatures.
    ️· PMOS On Resistance vs. Temperature: Illustrates the PMOS resistance as a function of temperature.

    In essence, this document provides a wealth of information about the SGM4056 chip’s performance, with a strong emphasis on how its characteristics shift with temperature. It’s intended for engineers designing with this chip, allowing them to predict its behavior across a wide range of operating conditions.

    Let me know if you would like a more detailed breakdown of any specific section or parameter!

    1. Electrical Characteristics (Key Parameters)

    ️· Over-Voltage Protection (OVP): The OVP threshold varies slightly with temperature, around 6.8V to 6.86V (for R_IREF = 120kΩ and V_BAT = 4.3V). It also has a curve showing the characteristics for 10.5V (for R_IREF = 10kΩ).
    ️· VIN Pin Supply Current: This parameter demonstrates the current draw on the VIN pin, influenced by temperature and the disabling/enabling of the charger.
    ️· PMOS On Resistance: This is depicted varying with temperature.
    ️· Trickle Charge Current: This chart shows the variation with temperature.

    2. Temperature Dependence

    ️· Temperature Variation: The graphs show how many of these parameters change with temperature (typically -50°C to 100°C). This is *critical* for understanding how the chip will behave in different operating environments.

    3. General Performance & Relationships

    ️· VIN Pin Supply Current: Affected by both temperature *and* whether the charger is enabled or disabled.
    ️· Output Voltage (VOUT) vs. Temperature: The output voltage is shown to have some minor fluctuations with temperature.
    ️· Charge Current vs. Temperature: Shown changing depending on temperature.

    4. Key Graphs and Their Focus

    ️· IREF Pin Output Voltage vs. Temperature: Displays the influence of temperature on the reference current.
    ️· Charge Current vs. Temperature: Shows the behavior of charge current under varying temperatures.
    ️· PMOS On Resistance vs. Temperature: Illustrates the PMOS resistance as a function of temperature.

    In essence, this document provides a wealth of information about the SGM4056 chip’s performance, with a strong emphasis on how its characteristics shift with temperature. It’s intended for engineers designing with this chip, allowing them to predict its behavior across a wide range of operating conditions.

    Part No.SGM4056_17
    ManufacturerSGMICRO
    Size1Mb
    Pages20 pages
    DescriptionHigh Input Voltage Charger
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