BD90GA5MEFJ-ME2

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The BD90GA5MEFJ-ME2 is a single-output fixed low-dropout linear regulator manufactured by ROHM Semiconductor. It provides a fixed output voltage of 9 V with a maximum output current of 500 mA. The device operates within an input voltage range of 4.5 V to 14 V and features a typical dropout voltage of 600 mV at full load, with a maximum of 900 mV. It includes built-in overcurrent protection and thermal shutdown circuits. The component is qualified under AEC-Q100 standards for automotive applications and functions reliably across a temperature range of -40°C to +105°C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Integrated overcurrent protection and thermal shutdown mechanisms prevent IC damage during fault conditions.
• AEC-Q100 qualification ensures reliability for demanding automotive electronic environments.
• Fixed 9 V output eliminates external resistor requirements for simplified circuit design.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Automotive infotainment system power distribution
• Electronic control unit (ECU) logic supply regulation
• Sensor interface power conditioning in vehicle networks

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific suffix ME2 against the official ROHM datasheet to confirm package type and tape-and-reel specifications. Confirm AEC-Q100 compliance status directly with the manufacturer documentation prior to integration into safety-critical automotive designs. Ensure input voltage constraints are strictly observed to maintain regulation integrity.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a stable 9 V rail is required for automotive subsystems. The 500 mA capacity supports moderate load currents typical in digital logic and sensor interfaces. The HTSOP-J8 package offers thermal efficiency suitable for space-constrained board layouts while maintaining robust performance across wide temperature variations.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the BD90GA5MEFJ series of automotive-grade LDO regulators. It shares the HTSOP-J8 package and core protection features with other variants in the family, differing primarily in fixed output voltage settings. The series is designed to meet strict automotive reliability standards while providing efficient power management solutions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

BD90GA5WEFJ-E2: Standard grade variant; not recommended for automotive use despite similar electrical characteristics.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators FAQ

What is the maximum input voltage for the BD90GA5MEFJ-ME2?

The maximum input voltage is 14 V.

Does the BD90GA5MEFJ-ME2 include short-circuit protection?

Yes, it features built-in overcurrent protection to prevent damage during output short circuits.