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Product Detailed Parameters
- Description：IC LED DRVR CTRLR PWM 24HTSSOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Controller
- Topology：Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：2
- Voltage - Supply (Min)：5V
- Voltage - Supply (Max)：30V
- Voltage - Output：-
- Current - Output / Channel：150mA
- Frequency：-
- Dimming：Analog, PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-VSSOP (0.220", 5.60mm Width) Exposed Pad
- Supplier Device Package：24-HTSSOP-B
- Grade：-
- Qualification：-
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Overview
The BD8112EFV-ME2 is an automotive-grade LED lighting driver IC manufactured by ROHM Semiconductor. It features a buck-boost DC/DC controller topology with an external switching element, designed for stable operation under varying input voltage conditions. The device operates within a supply voltage range of 5 V to 30 V and supports a maximum power dissipation of 1.1 W. It is housed in a compact HTSSOP-B-24 surface-mount package suitable for space-constrained applications. The component is qualified to AEC-Q100 standards and functions reliably across an extended temperature range from -40°C to +105°C.
Feature Summary
- Integrated buck-boost DC/DC controller for stable LED drive under fluctuating input voltages
- Automotive-grade qualification ensuring reliability in demanding environments
- Built-in protection mechanisms including over-voltage, over-current, and thermal shutdown
Applications
- Automotive exterior lighting systems
- Automotive interior illumination modules
- LED headlamp driver circuits
- Fog lamp control units
Procurement Notes
Verify the specific suffix ME2 against the official datasheet to confirm pinout compatibility and packaging specifications. Confirm that the component meets the required AEC-Q100 grade for your target application. Check for any design-in restrictions or lifecycle status updates directly from the manufacturer before finalizing procurement plans.
Selection Notes
Select this component when a buck-boost topology is required to handle wide input voltage variations in automotive LED applications. Ensure the external switching element matches the controller's drive capabilities. Verify that the HTSSOP-B-24 package size fits the PCB layout constraints and that the thermal performance aligns with the system's heat dissipation requirements.
Part Context
This part belongs to ROHM's automotive LED driver series, specifically designed for high-reliability lighting applications. It integrates control logic for external power switches, distinguishing it from fully integrated solutions. The family focuses on providing robust protection and dimming capabilities for vehicle lighting systems requiring strict automotive quality standards.
Replacement Considerations
Check the BD8112EFV-M for potential pin-to-pin compatibility, though packaging differences may require adapter considerations. Evaluate alternative ROHM automotive LED drivers with similar buck-boost topologies if this specific variant is unavailable.
