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Product Detailed Parameters
- Description：IC LED DRVR CTRLR NO 1A 28HTSSOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Controller
- Topology：Step-Down (Buck)
- Internal Switch(s)：Yes
- Number of Outputs：9
- Voltage - Supply (Min)：5.5V
- Voltage - Supply (Max)：60V
- Voltage - Output：48V
- Current - Output / Channel：1A
- Frequency：-
- Dimming：No
- Applications：-
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：28-VSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：28-HTSSOP-B
- Grade：Automotive
- Qualification：-
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Overview
The BD18362EFV-ME2 is an automotive-grade matrix LED controller designed for sequential turn signals. It integrates eight channel FET switches and a charge pump for gate driver power, enabling sequential LED illumination without a microcontroller. The device operates within a 5.5 V to 60 V input range and supports up to 1 A per channel drive current. It features DC/PWM dimming and functions reliably across temperatures from -40°C to 125°C. Packaged in HTSSOP-B28, it meets AEC-Q100 standards and offers functional safety support.
Feature Summary
- Integrates eight-channel FET switches with built-in charge pump for gate driving
- Generates sequential lighting patterns internally without requiring a microcontroller
- Supports DC and PWM dimming modes for brightness control
Applications
- Sequential turn signal circuits in automotive applications
- Matrix LED lighting systems
- Automotive exterior lighting modules
Procurement Notes
Verify the specific ordering suffix (e.g., ME2) against the manufacturer's official datasheet to ensure correct packaging and pinout configuration. Confirm that the selected variant aligns with the required automotive functional safety category and voltage specifications before integration into the design.
Selection Notes
Select this component when designing automotive lighting systems that require sequential animation effects without external MCU processing. It is suitable for high-voltage LED arrays where integrated switching and internal pattern generation simplify the circuit architecture and reduce system complexity.
Part Context
This part belongs to ROHM Semiconductor's automotive LED driver portfolio, specifically targeting advanced exterior lighting solutions. It addresses the industry demand for sophisticated visual signaling while maintaining high reliability and compliance with automotive environmental standards.
Replacement Considerations
Consult the manufacturer's official cross-reference documentation for verified substitute part numbers. Ensure any replacement matches the HTSSOP-B28 package dimensions and electrical characteristics to maintain board compatibility.
