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Product Detailed Parameters
- Description：IC LED DRIVER LINEAR 50MA 16SSOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：8
- Voltage - Supply (Min)：3V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：35V
- Current - Output / Channel：50mA
- Frequency：1.25MHz
- Dimming：-
- Applications：-
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-LSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-SSOP-B
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The BD8378FV-ME2 is an automotive-grade LED lighting driver IC manufactured by ROHM Semiconductor. It features eight output channels with a maximum output current of 50 mA per channel. The device operates on a supply voltage range of 3 V to 5.5 V and supports a switching frequency of 1.25 MHz. It utilizes a boost topology to achieve a maximum output voltage of 35 V. The component is housed in a 16-pin SSOP-B package and includes a 3-wire serial interface for control. It is qualified under AEC-Q100 standards, ensuring reliability for automotive applications across a temperature range of -40°C to +105°C.
Feature Summary
- Integrates a boost DC/DC converter topology to drive high-voltage LED loads from low-voltage supplies.
- Features a 3-wire serial interface for simplified digital control and configuration.
- Includes open-drain outputs suitable for direct connection to LED strings.
- Qualified for automotive environments with AEC-Q100 certification.
Applications
- Automotive interior LED lighting systems
- Dashboard and instrument cluster illumination
- Ambient mood lighting circuits
- General automotive LED string drivers
Procurement Notes
Verify the specific suffix ME2 against the official datasheet to confirm package type and tape/reel specifications. Ensure the design accounts for the NRND status if applicable, as this may impact long-term availability. Confirm thermal dissipation requirements within the SSOP-B-16 package for the intended power load. Cross-reference the AEC-Q100 grade with system safety requirements before finalizing the procurement order.
Selection Notes
Select this component when a multi-channel solution with integrated boost conversion is required for automotive LED applications. The 3-wire serial interface reduces pin count compared to parallel control methods. Consider the 50 mA output limit per channel when sizing the LED array. The wide operating temperature range supports harsh automotive environments. Evaluate the 1.25 MHz switching frequency for EMI compatibility with nearby sensitive electronics.
Part Context
This part belongs to the BD83xx series of LED drivers designed specifically for automotive use. It complements other variants like the BD8379EFV-ME2 which offers twelve channels. The series focuses on providing reliable, space-efficient solutions for vehicle lighting. The integration of the boost converter simplifies the external bill of materials by reducing passive component count.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. The BD8378FV-ME2 is listed as NRND (Not Recommended for New Designs), suggesting that alternative sourcing or redesign may be necessary for new projects. Check for updated revisions or successor models directly from the manufacturer.
