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Product Detailed Parameters
- Description：IC REG BUCK 1.5V 2A 8HTSOP-J
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：2.69V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1.5V
- Voltage - Output (Max)：-
- Current - Output：2A
- Frequency - Switching：2.25MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-HTSOP-J
- Grade：-
- Qualification：-
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Overview
The BD90525EFJ-CE2 is a synchronous rectification buck DC/DC converter manufactured by ROHM Semiconductor. It operates with an input voltage range up to 5.5V and delivers a fixed output of 1.5V at a maximum current of 2A. The device features a switching frequency of 2.25MHz and utilizes an 8-HTSOP-J package with exposed pad for surface mount installation. Designed for automotive applications, it supports a junction temperature range from -40°C to +125°C.
Feature Summary
- Integrated synchronous P-channel and N-channel output MOSFETs for high efficiency
- Built-in self-reset type overcurrent protection circuit
- Supports external clock synchronization for noise reduction
Applications
- Automotive infotainment systems
- ADAS sensor power supplies
- Body control module (BCM) circuits
Procurement Notes
Verify the component status before procurement as the source indicates this part may be discontinued or no longer recommended for new designs. Confirm availability through authorized distributors and check for valid replacement alternatives if production continuity is required for existing projects.
Selection Notes
Select this component when a fixed 1.5V output is required within a 5.5V input limit. Ensure the application demands a 2A current capability and benefits from a 2.25MHz switching frequency for compact passive component sizing. Verify thermal management requirements for the HTSOP-J package in the target environment.
Part Context
This IC belongs to ROHM's automotive-grade PMIC portfolio, specifically designed for high-reliability vehicle electronics. It complements other buck converters in the series offering different voltage outputs or current ratings, providing designers with standardized solutions for various subsystem power distribution needs.
Replacement Considerations
Check for direct pin-compatible substitutes within the BD905xx series that offer compatible voltage and current specifications. Consult official ROHM documentation for updated product lifecycle status and approved alternative part numbers suitable for new designs.
