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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 BD83733HFP-MTR is a single-channel LED driver IC from Rohm Semiconductor, designed for automotive applications. It supports boost and buck topologies with an adjustable output voltage range of 4.5V to 42V. The device delivers a maximum output current of 500mA per channel. Operating frequencies are adjustable between 100Hz and 5kHz. It functions within a supply voltage range of 4.5V to 42V and operates across a temperature range of -40°C to +125°C. The component is AEC-Q100 qualified and housed in an HRP-7 package.
Feature Summary
- Supports both boost and buck converter topologies for flexible LED driving configurations
- Integrates protection circuits including LED open/short detection and overvoltage mute
- Features adjustable switching frequency to optimize electromagnetic interference performance
- Provides high-reliability operation suitable for harsh automotive environments
Applications
- Automotive exterior lighting systems
- LED headlamp modules
- Tail lamp assemblies
- Daytime running light circuits
Procurement Notes
Verify the specific suffix MTR indicates reel packaging when sourcing. Confirm AEC-Q100 qualification status aligns with project requirements. Ensure input voltage ranges match system battery specifications. Check thermal management needs for the HRP-7 package under maximum load conditions. Validate compatibility with existing PCB layout constraints for the HRP-7 footprint.
Selection Notes
Choose this model for applications requiring a single-channel driver with up to 500mA output. Select for designs needing integrated protection against LED faults. Consider for systems operating in extreme temperatures up to 125°C. Opt for this part when boost or buck topology flexibility is required. Verify that the 4.5V to 42V input range covers the application's voltage profile.
Part Context
This component belongs to the BD83733 series of LED drivers. It is part of Rohm's portfolio of automotive-grade power management solutions. The series targets high-voltage LED applications in vehicles. It complements other single-channel drivers in the lineup with varying current capabilities.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult official Rohm resources for potential alternatives if this specific model is unavailable.
