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Product Detailed Parameters
- Description：IC LED DRVR RGLTR PWM 35MA 8HSON
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：18V
- Current - Output / Channel：35mA
- Frequency：1MHz
- Dimming：PWM
- Applications：Backlight, Camera Flash
- 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 BD6072HFN-TR is a white LED driver IC manufactured by ROHM Semiconductor, designed for portable applications. It features a boost DC/DC converter topology with an integrated synchronous rectification switch, eliminating the need for an external Schottky diode. The device operates within an input voltage range of 2.7 V to 5.5 V and delivers a constant output current of 350 mA. It supports up to four series-connected white LEDs, achieving an output voltage of 18 V. The internal switching frequency is fixed at 1 MHz. The component includes PWM dimming capability and open LED protection circuits. It is housed in an 8-pin HSON package and functions within a temperature range of -30°C to +85°C.
Feature Summary
- Integrates a synchronous boost converter for high efficiency without external diodes
- Supports PWM brightness control for display backlighting applications
- Includes built-in open LED protection circuitry for system safety
Applications
- Mobile phone LCD backlights
- Portable electronic device illumination
- Handheld gaming consoles
Procurement Notes
Verify the specific ordering suffix and manufacturer part number against official ROHM documentation prior to procurement. Confirm that the intended application aligns with the component's electrical specifications and thermal requirements. Check for any recent lifecycle status changes or recommended replacement parts from the manufacturer to ensure long-term supply chain stability.
Selection Notes
Select this component for designs requiring a compact solution for driving multiple white LEDs from a single-cell lithium-ion battery source. The integrated synchronous rectification reduces component count and board space compared to asynchronous solutions. Ensure the load impedance allows for the specified 350 mA output current within the 18 V maximum output voltage limit.
Part Context
This part belongs to the BD6072HFN series of LED drivers from ROHM Semiconductor. It is specifically engineered for portable consumer electronics where size and power efficiency are critical constraints. The series utilizes advanced CMOS technology to minimize quiescent current while maintaining stable constant current regulation under varying load conditions.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer resources for end-of-life notifications or direct replacements.
