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Product Detailed Parameters
- Description：IC REG BUCK BST 3.5V/5V 24HTSSOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Buck-Boost
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：3.8V
- Voltage - Input (Max)：38V
- Voltage - Output (Min/Fixed)：3.5V, 5V
- Voltage - Output (Max)：-
- Current - Output：15mA
- Frequency - Switching：100kHz ~ 600kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-VSSOP (0.220", 5.60mm Width) Exposed Pad
- Supplier Device Package：24-HTSSOP-B
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The BD9035AEFV-CE2 is an automatically controlled buck-boost switching regulator manufactured by ROHM Semiconductor. It operates within a wide input voltage range of 3.8 V to 30 V and supports output voltages of 3.5 V or 5 V. The device features a variable switching frequency from 100 kHz to 600 kHz and includes a shutdown function. Packaged in an HTSSOP-B24 format, it is AEC-Q100 qualified for automotive applications and functions reliably across temperatures from -40°C to +125°C.
Feature Summary
- Automatically controlled buck-boost topology manages varying input conditions without manual configuration
- AEC-Q100 qualification ensures reliability for demanding automotive electronic environments
- Integrated shutdown capability allows for effective power management and system sleep modes
Applications
- Automotive infotainment systems requiring stable power under fluctuating battery loads
- Body control modules (BCM) needing robust voltage regulation
- Sensor interfaces in advanced driver assistance systems (ADAS)
Procurement Notes
Verify the specific suffix CE2 matches your required packaging configuration. Confirm that the HTSSOP-B24 package dimensions align with your PCB footprint design. Ensure compatibility with the intended output voltage selection of 3.5 V or 5 V. Check for any specific RoHS compliance documentation requirements for your region. Validate that the operating temperature range meets your environmental specifications.
Selection Notes
Select this component when input voltage varies significantly above and below the desired output level. It is suitable for designs requiring automatic transition between buck and boost modes. Consider its AEC-Q100 rating if the application demands automotive-grade reliability. Evaluate the 100 kHz to 600 kHz frequency range against EMI constraints. Compare the HTSSOP-B24 package size against available board space.
Part Context
This part belongs to ROHM's PMIC portfolio focused on automotive power management. It complements other regulators like the BD9036EFV-CE2 within the same series. The family targets applications requiring high efficiency and compact solutions for vehicle electronics.
Replacement Considerations
The BD9036EFV-CE2 is a related buck-boost regulator within the same product family. Verify pinout compatibility and electrical parameter overlaps before substitution.
