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DA9155M Datasheet with Chat AI
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  • # Example questions: ➢ What is the minimum operating temperature threshold (tjunc_por) for the device?
    ➢ What is the recommended scl clock frequency for operation when v in is less than or equal to 6.5v?
    ➢ What is the typical hysteresis value for vbat monitoring, expressed as a percentage?

  • Part No.DA9155M
    ManufacturerRENESAS
    Size702 Kbytes
    Pages38 pages
    Description2.5 A Companion Charger for Rapid Charging
    Datasheet Summary with AI

    1. Power Supply & Operating Conditions:

    ️· VIN: 4.3V to 13.5V
    ️· VBAT: 2.6V to 4.4V
    ️· Temperature Range: -40°C to +85°C (most specs valid across this range)

    2. Buck Converter (7.3):

    ️· Output Voltage: Adjustable, (information not provided in this excerpt)
    ️· Switching Frequency: Dependent on Input Voltage: 1 MHz (VIN ≤ 6.5V), 1.5 MHz (VIN > 6.5V)
    ️· Peak Current Limit: Ranges from 2050-3820mA (depending on setting - 0x0 to 0x0) to 6000-6000mA (setting 0x0 to 0x0).
    ️· Accuracy may decrease by 5% at duty cycle > 80%.

    3. 2-Wire Interface (I2C) (7.4):

    ️· Clock Frequency (fSCL): 0 to 1000 kHz (Standard/Fast/Fast+ mode), up to 3400 kHz (High-Speed mode, VDDIO ≥ 1.8V).
    ️· Capacitive Load: Up to 150pF

    4. Temperature Supervision (7.5):

    ️· POR Temperature Threshold: 150°C
    ️· Critical Temperature Threshold: 140°C
    ️· Warning Temperature Thresholds: 70°C and 125°C

    5. VBAT Monitoring (7.6):

    ️· Overvoltage Thresholds: 3.6V, 4.4V, 5.1V
    ️· Undervoltage Thresholds: 2.0V, 2.6V, 3.25V
    ️· VBAT Monitoring Hysteresis: 1.5%
    ️· VBAT Accuracy: +/- 3% for Undervoltage, +/- 1.6% for Overvoltage.

    Key takeaways:

    ️· This is a power management IC with a buck converter, I2C communication, temperature supervision and battery monitoring.
    ️· The IC is designed for a wide input voltage and temperature range.
    ️· The I2C interface allows for configuration and monitoring of various parameters.
    ️· Temperature and battery monitoring features are crucial for safety and performance.
    ️· There are adjustable thresholds for both undervoltage and overvoltage of the battery.

    1. Power Supply & Operating Conditions:

    ️· VIN: 4.3V to 13.5V
    ️· VBAT: 2.6V to 4.4V
    ️· Temperature Range: -40°C to +85°C (most specs valid across this range)

    2. Buck Converter (7.3):

    ️· Output Voltage: Adjustable, (information not provided in this excerpt)
    ️· Switching Frequency: Dependent on Input Voltage: 1 MHz (VIN ≤ 6.5V), 1.5 MHz (VIN > 6.5V)
    ️· Peak Current Limit: Ranges from 2050-3820mA (depending on setting - 0x0 to 0x0) to 6000-6000mA (setting 0x0 to 0x0).
    ️· Accuracy may decrease by 5% at duty cycle > 80%.

    3. 2-Wire Interface (I2C) (7.4):

    ️· Clock Frequency (fSCL): 0 to 1000 kHz (Standard/Fast/Fast+ mode), up to 3400 kHz (High-Speed mode, VDDIO ≥ 1.8V).
    ️· Capacitive Load: Up to 150pF

    4. Temperature Supervision (7.5):

    ️· POR Temperature Threshold: 150°C
    ️· Critical Temperature Threshold: 140°C
    ️· Warning Temperature Thresholds: 70°C and 125°C

    5. VBAT Monitoring (7.6):

    ️· Overvoltage Thresholds: 3.6V, 4.4V, 5.1V
    ️· Undervoltage Thresholds: 2.0V, 2.6V, 3.25V
    ️· VBAT Monitoring Hysteresis: 1.5%
    ️· VBAT Accuracy: +/- 3% for Undervoltage, +/- 1.6% for Overvoltage.

    Key takeaways:

    ️· This is a power management IC with a buck converter, I2C communication, temperature supervision and battery monitoring.
    ️· The IC is designed for a wide input voltage and temperature range.
    ️· The I2C interface allows for configuration and monitoring of various parameters.
    ️· Temperature and battery monitoring features are crucial for safety and performance.
    ️· There are adjustable thresholds for both undervoltage and overvoltage of the battery.

    Part No.DA9155M
    ManufacturerRENESAS
    Size702 Kbytes
    Pages38 pages
    Description2.5 A Companion Charger for Rapid Charging
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