Specifications
SKU: 1883755
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
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).
Ground Connection:
- Connect the ground (GND) to the appropriate pin.
- Ensure a solid ground connection to avoid noise and stability issues.
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.
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.
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.
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.
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.
Handling Precautions:
- Handle the device with care to avoid static damage.
- Follow ESD (Electrostatic Discharge) precautions during handling and installation.
Mounting:
- Mount the device on a PCB with proper soldering techniques.
- Ensure the exposure pad is soldered to the PCB for optimal thermal performance.
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.
Inquiry - R2A20292BFT