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Product Detailed Parameters
- Description：IC LED DRIVER CTRLR PWM 16SSOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Controller
- Topology：-
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：19V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：100Hz ~ 5kHz
- Dimming：PWM
- Applications：-
- Operating Temperature：-40°C ~ 125°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 BD18341FV-ME2 is an automotive-grade constant current controller designed for LED lamps, featuring a high voltage tolerance of up to 70V. It supports DC and PWM dimming with a supply voltage range of 4.5V to 19V. The device integrates protection mechanisms including LED open detection, short circuit protection, overvoltage mute, and current de-rating. It operates within a temperature range of -40°C to 125°C in an SSOP-B16 package.
Feature Summary
- Integrates multiple safety features such as LED open detection, short circuit protection, and overvoltage mute for high reliability.
- Supports both DC and PWM dimming functions to enable flexible lighting control applications.
- Includes built-in standby functionality to reduce power consumption in vehicle lamp assemblies.
Applications
- Automotive LED headlamps
- Vehicle exterior lighting systems
- High-reliability LED driver circuits
Procurement Notes
Verify the specific suffix ME2 against the official datasheet to confirm packaging and tape specifications. Ensure compatibility with AEC-Q100 Grade 1 requirements for your target automotive application. Cross-reference the pinout diagram with your PCB layout to prevent installation errors during assembly.
Selection Notes
Select this component when designing LED drivers requiring high input voltage tolerance and integrated fault protection. It is suitable for applications needing precise current control without external transistors for basic configurations. Consider its thermal performance and package size constraints relative to the intended enclosure design.
Part Context
This part belongs to ROHM's automotive LED driver portfolio, specifically engineered for robustness in harsh environments. It complements other series like the BD18342 by offering similar control capabilities with distinct output or topology variations suited for different lamp architectures.
Replacement Considerations
The BD18341FV-M is listed as a related model with identical technical specifications. Verify if the ME2 suffix indicates a specific packaging change rather than a functional difference before substituting.
