BD15HA5MEFJ-ME2

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

The BD15HA5MEFJ-ME2 is a single-output fixed positive LDO voltage regulator by ROHM Semiconductor. It provides a 1.5 V output at up to 0.5 A current. The device operates within an input voltage range of 4.5 V to 8 V. It features a typical dropout voltage of 600 mV and maximum power dissipation of 2.11 W. Line and load regulation are specified at 25 mV. The component is qualified under AEC-Q100 standards for automotive applications. It supports an operating temperature range from -40 °C to +105 °C and utilizes an HTSOP-J8 surface-mount package.

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

• AEC-Q100 qualified for automotive reliability requirements
• Integrated shutdown function with soft start capability
• Built-in thermal shutdown and overcurrent protection circuits

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

• Automotive electronic systems requiring stable low-voltage power rails
• On-board infotainment and control unit power management
• Sensor interface circuits in vehicle environments

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

Verify the complete part number including suffixes against official ROHM documentation to ensure correct output voltage and package configuration. Confirm AEC-Q100 qualification status if automotive compliance is required. Check the lifecycle status, as this component may be marked as NRND (Not Recommended for New Designs). Validate pinout compatibility with existing PCB layouts before procurement.

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

Select this regulator when a fixed 1.5 V rail is needed with high current capability up to 0.5 A. Ensure the input voltage stays within the 4.5 V to 8 V window to maintain regulation. Consider the HTSOP-J8 package size for space-constrained designs. Verify that the thermal dissipation capabilities meet the system's power budget under worst-case operating temperatures.

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

This component belongs to the BD15HA5MEFJ series of automotive-grade linear regulators. It shares the HTSOP-J8 package form factor with other variants in the family, such as BD25HA5MEFJ-ME2 and BD33HA5MEFJ-ME2. These devices offer similar protection features but differ in fixed output voltages and specific current ratings tailored for different automotive subsystems.

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

Direct substitutes include BD15HA5WEFJ-E2, which offers identical electrical specifications but differs in operating temperature range (-25 °C to +85 °C). For higher current needs, BD15HC5MEFJ-ME2 provides 1.5 A output in the same package. Verify pin compatibility and thermal performance when cross-referencing.