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Product Detailed Parameters
- Description：IC REG TRPL BUCK/BST/LNR 48HTQFP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Topology：Step-Down (Buck) (1) or Step-Down/Step-Up (Buck/Boost) (1), Linear (LDO) (1)
- Number of Outputs：3
- Frequency - Switching：200kHz ~ 550kHz
- Voltage/Current - Output 1：Adj to 0.8V
- Voltage/Current - Output 2：3.3V, 900mA
- Voltage/Current - Output 3：5V, 600mA
- w/LED Driver：No
- w/Supervisor：No
- w/Sequencer：Yes
- Voltage - Supply：4V ~ 30V
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：48-VFQFP Exposed Pad
- Supplier Device Package：48-HTQFP (7x7)
- Grade：-
- Qualification：-
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Overview
The BD39001EKV-CE2 is a specialized Power Management IC (PMIC) from ROHM Semiconductor, designed for automotive applications. It integrates a Buck-Boost regulator, an LDO, and a timer within a single HTQFP48V package. The device supports an input voltage range of 4 V to 30 V and delivers output currents of up to 600 mA and 900 mA across its multiple outputs. It operates reliably between -40°C and +125°C, features AEC-Q100 qualification, and consumes only 8 mA of operating supply current.
Feature Summary
- Integrates buck-boost regulation, low-dropout linear regulation, and timing functions in one component
- Supports wide input voltage ranges suitable for direct battery connection
- Includes built-in protection mechanisms against thermal and electrical faults
- Qualified for automotive environments with extended temperature operation
Applications
- Automotive power distribution systems
- Vehicle body electronics control units
- Infotainment system power supplies
- ADAS module power management
Procurement Notes
Verify the NRND status before integration into new designs. Confirm that the HTQFP48V package dimensions match your PCB layout constraints. Ensure compatibility with the specified 4 V to 30 V input range for your target application. Check for any specific ordering suffix requirements if alternative variants are considered.
Selection Notes
Select this component when a combined buck-boost and LDO solution is required for automotive PMIC needs. Consider the 48-pin HTQFP package for thermal performance and pin availability. Evaluate the 600 mA and 900 mA output capabilities against load requirements. Verify AEC-Q100 compliance meets your automotive quality standards.
Part Context
This part belongs to ROHM's specialized automotive PMIC family. It addresses the need for compact, high-efficiency power solutions in modern vehicles. The integration of multiple regulators reduces board space and component count compared to discrete solutions.
Replacement Considerations
Check for updated ROHM recommendations due to the NRND status. Consult official substitution guides for compatible PMICs with similar voltage and current ratings.
