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Product Detailed Parameters
- Description：IC LED DRVR LIN PWM 500MA HRP7
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：42V
- Voltage - Output：-
- Current - Output / Channel：500mA
- Frequency：100Hz ~ 5kHz
- Dimming：PWM
- Applications：-
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：HRP-7 (7 Leads + Tab)
- Supplier Device Package：HRP7
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The BD83732HFP-MTR is a linear LED driver IC manufactured by Rohm Semiconductor, designed for automotive applications. It features a single output channel capable of delivering up to 500mA of constant current. The device operates within an input voltage range of 4.5V to 42V and supports adjustable output voltages. It utilizes a boost or buck topology and functions at frequencies between 100Hz and 5kHz. The component is qualified under AEC-Q100 standards, ensuring reliability in automotive environments. It is housed in an HRP-7 package with dimensions of 9.395mm x 10.54mm and a thickness of 2.005mm. The operating temperature range spans from -40°C to +125°C.
Feature Summary
- Supports boost and buck topologies for flexible LED driving configurations
- Integrated protection circuits including overvoltage and thermal shutdown
- AEC-Q100 qualified for high-reliability automotive use
Applications
- Automotive exterior lighting systems
- Interior vehicle illumination control
- LED headlamp modules
Procurement Notes
Verify the specific suffix and packaging configuration against the manufacturer's latest datasheet to ensure compatibility with automated assembly processes. Confirm that the HRP-7 package dimensions align with the PCB footprint requirements. Check for any recent design changes or obsolescence notices directly from Rohm Semiconductor before finalizing procurement plans.
Selection Notes
Select this component when a robust, single-channel LED driver with high current capability is required for automotive lighting. Ensure the application voltage falls within the 4.5V to 42V range. Consider the thermal management capabilities due to the linear regulation nature and the specified operating temperature range up to 125°C.
Part Context
This part belongs to the BD8373 series of LED drivers from Rohm Semiconductor, specifically tailored for automotive lighting applications. It complements other variants in the family by offering a balance of high current output and integrated protection features suitable for demanding vehicular environments.
Replacement Considerations
Direct substitutes may include other models within the BD8373 series or similar automotive-grade LED drivers from Rohm, provided they match the HRP-7 package and electrical specifications. Verify pinout compatibility and thermal performance before substitution.
