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Product Detailed Parameters
- Description：IC LED DRV LIN PWM 600MA 10VSON
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：Constant Current
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：5.5V
- Voltage - Supply (Max)：20V
- Voltage - Output：-
- Current - Output / Channel：600mA
- Frequency：-
- Dimming：PWM
- Applications：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：10-VFDFN Exposed Pad
- Supplier Device Package：VSON10FV3030
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The BD18326NUF-ME2 is a single-channel constant current LED driver IC designed for automotive applications. It supports Boost and Buck topologies with an input voltage range of 5.5 V to 20 V. The device delivers a maximum output current of 600 mA and features adjustable output voltage. Operating frequencies range from 200 Hz to 750 Hz, with PWM dimming capability. It is housed in a VSON-10 package and operates within a temperature range of -40°C to +150°C.
Feature Summary
- Supports both Boost and Buck converter topologies for flexible LED driving configurations.
- Integrates PWM dimming functionality for precise light control.
- Provides constant current regulation for stable LED performance.
- Features high operating temperature tolerance suitable for automotive environments.
Applications
- Automotive LED lamp drivers
- Socket-type LED lighting systems
- Constant current LED regulation circuits
Procurement Notes
Verify the specific suffix ME2 against the manufacturer's latest datasheet to confirm pinout and packaging details. Ensure compatibility with the target vehicle's electrical system requirements, particularly regarding the 5.5 V to 20 V input range. Confirm that the VSON-10 package size fits the intended PCB layout constraints. Check for any recent design changes or obsolescence notices from ROHM Semiconductor before finalizing procurement plans.
Selection Notes
Select this component when a single-channel driver with up to 600 mA output is required for automotive LED lamps. It is suitable for designs needing both Boost and Buck topology flexibility within a low-voltage input range. Consider the VSON-10 package for space-constrained applications. Verify that the 200 Hz to 750 Hz switching frequency aligns with EMC requirements and that the wide temperature range meets the operational environment standards.
Part Context
This part belongs to ROHM's line of automotive-grade LED lighting driver ICs. It is specifically engineered for reliability in harsh automotive environments, featuring AEC-Q100 qualification. The device integrates protection functions such as overvoltage and thermal shutdown to ensure safe operation. It serves as a key component in modern vehicle lighting systems, offering a compact solution for high-reliability LED driving.
Replacement Considerations
The part number alias BD18326NUF-M may refer to the same device without the ME2 suffix; verify package and specification equivalence. No other direct substitute part numbers are confirmed in the provided documentation. Consult official ROHM resources for potential cross-reference options if this specific variant is unavailable.
FAQ
What is the maximum output current of the BD18326NUF-ME2?
The maximum output current is 600 mA.
Does the BD18326NUF-ME2 support PWM dimming?
Yes, the device supports PWM dimming for controlling LED brightness.
What is the operating temperature range for this IC?
The operating temperature range is from -40°C to +150°C.
