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Product Detailed Parameters
- Description：IC LED DRV LIN MULT-STEP 8HSON
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：4
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：0.2V ~ 4.1V
- Current - Output / Channel：32mA
- Frequency：-
- Dimming：Multi-Step
- Applications：Backlight
- Operating Temperature：-30°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-PowerUDFN
- Supplier Device Package：8-HSON
- Grade：-
- Qualification：-
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Overview
The BD1754HFN-TR is a constant current LED driver IC manufactured by ROHM Semiconductor, designed for driving up to four LEDs. It features a fixed output current of 32 mA and supports an input voltage range from 2.7 V to 5.5 V. The device provides 64 dimming steps for precise brightness control and operates within a temperature range of -30°C to +85°C. Packaged in an 8-pin HSON format, it is classified under LED Lighting Driver ICs.
Feature Summary
- Provides constant current drive capability for multiple LED channels
- Supports 64-step dimming for adjustable brightness levels
- Operates with a wide input voltage range suitable for various power supplies
Applications
- Consumer electronics lighting systems
- Automotive xEV applications
- General LED backlighting solutions
Procurement Notes
Verify the specific datasheet version and RoHS compliance status before integration, as manufacturing details may vary. Confirm that the 8-pin HSON package dimensions align with your PCB layout requirements. Ensure that the thermal dissipation capabilities are sufficient for your intended operating environment, particularly regarding the maximum junction temperature limits specified in the official documentation.
Selection Notes
Select this component when a multi-channel LED driver with high-resolution dimming is required. It is suitable for designs needing a stable 32 mA output across up to four LEDs. Consider the 2.7 V to 5.5 V input range compatibility with your system's power architecture. Verify that the automotive or consumer application context matches the device's qualification standards.
Part Context
This part belongs to the BD1754HFN series of constant current LED drivers from ROHM Semiconductor. It is categorized under LED Lighting Driver ICs within the broader PMIC and driver IC portfolio. The device is specifically engineered for applications requiring precise current regulation and dimming control for white LEDs or similar light sources.
Replacement Considerations
No direct public substitute part numbers are confirmed in the provided data. Evaluate alternative ROHM LED drivers with similar channel counts and current ratings if availability is an issue.
