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R2A20292BFT

Specifications

SKU: 1883755

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Parameter Value
Part Number R2A20292BFT
Description Automotive-grade, Low-side Switch IC
Package HTSSOP-B20 (Exposure Pad)
Supply Voltage (Vcc) 4.5 V to 36 V
Output Current (Iout) 5 A continuous, 10 A peak
Operating Temperature -40°C to 125°C
Control Input (IN) Logic-level input (3.3 V, 5 V)
Protection Features Overcurrent, Overtemperature, Short-circuit, Reverse-polarity
Quiescent Current 100 μA (typical)
Shutdown Mode Current 1 μA (typical)
Thermal Resistance (θJA) 50°C/W (max)
Output Configuration Open Drain
Number of Channels 2 channels

Instructions for Use

  1. Power Supply Connection:

    • Connect the supply voltage (Vcc) to the appropriate pin.
    • Ensure the supply voltage is within the specified range (4.5 V to 36 V).
  2. Ground Connection:

    • Connect the ground (GND) to the appropriate pin.
    • Ensure a solid ground connection to avoid noise and stability issues.
  3. Control Input:

    • Apply a logic-level signal (3.3 V or 5 V) to the control input (IN) pins to turn the switch on or off.
    • High level (logic 1) turns the switch on.
    • Low level (logic 0) turns the switch off.
  4. Output Connection:

    • Connect the load between the output (OUT) pins and ground.
    • The output is open drain, so external pull-up resistors may be required for certain applications.
  5. Thermal Management:

    • Ensure proper heat dissipation by using a heatsink if necessary.
    • The thermal resistance (θJA) is 50°C/W, so consider the power dissipation and ambient temperature when designing the system.
  6. Protection Features:

    • The device includes overcurrent, overtemperature, short-circuit, and reverse-polarity protection.
    • These features will automatically shut down the device if any fault condition is detected.
  7. Shutdown Mode:

    • To enter shutdown mode, set the control input to a low level (logic 0).
    • In shutdown mode, the quiescent current is reduced to approximately 1 μA.
  8. Handling Precautions:

    • Handle the device with care to avoid static damage.
    • Follow ESD (Electrostatic Discharge) precautions during handling and installation.
  9. Mounting:

    • Mount the device on a PCB with proper soldering techniques.
    • Ensure the exposure pad is soldered to the PCB for optimal thermal performance.
  10. Testing:

    • Test the device under controlled conditions to ensure it meets the specifications.
    • Verify the functionality and protection features before deploying in a final application.
(For reference only)

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