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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1A VQFN24FV4040
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：16V
- Voltage - Input (Max)：60V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：5.5V
- Current - Output：1A
- Frequency - Switching：2.1MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：24-VFQFN Exposed Pad
- Supplier Device Package：VQFN24FV4040
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The BD9V100MUF-CE2 is a synchronous buck DC/DC converter from ROHM Semiconductor, designed for automotive applications. It features an input voltage range of 16V to 60V and delivers a maximum output current of 1A. The device operates at a switching frequency up to 2.3MHz and supports an adjustable output voltage between 0.8V and 5.5V. It utilizes Nano Pulse Control technology with a minimum pulse width under 20ns. The component is housed in a VQFN24FV4040 package and functions within a temperature range of -40°C to +125°C.
Feature Summary
- Integrates high-voltage rated power MOSFETs with current-mode control for efficient step-down conversion.
- Employs Nano Pulse Control technology to enable stable operation with wide input-to-output voltage ratios.
- Includes comprehensive protection mechanisms such as input under-voltage lockout, short-circuit protection, and output over-voltage protection.
Applications
- Direct conversion from 48V vehicle battery systems to lower logic voltages
- Power supply units for automotive ADAS sensors and radar modules
- Input stage conditioning for infotainment and dashboard electronics
Procurement Notes
Verify the specific suffix CE2 against the manufacturer's official datasheet to confirm pinout compatibility and thermal pad specifications. Ensure that the VQFN24FV4040 wettable flank package requirements are met during PCB assembly design. Cross-reference the functional safety classification status prior to integration into safety-critical automotive circuits.
Selection Notes
Select this component when designing systems requiring direct connection to 48V automotive architectures. The integrated high-voltage MOSFETs eliminate the need for external discrete switches. The wide input range accommodates cold crank and load dump conditions typical in automotive environments.
Part Context
This part belongs to ROHM's BD9V series of high-voltage synchronous buck converters. These devices are engineered specifically for automotive primary DC/DC conversion tasks. The series emphasizes compactness and reliability through integrated power stages and advanced control algorithms suitable for harsh operating environments.
Replacement Considerations
Consult the official ROHM product comparison tools for verified substitutes. Direct replacements must match the 16V-60V input range, 1A output capability, and VQFN24FV4040 package dimensions to ensure mechanical and electrical compatibility.
