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Product Detailed Parameters
- Description：IC LED DRVR LIN PWM 20MA SOT26
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：1.4V
- Voltage - Supply (Max)：40V
- Voltage - Output：40V
- Current - Output / Channel：20mA
- Frequency：25kHz
- Dimming：PWM
- Applications：Lighting
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-26
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The BCR402UW6Q-7 is a linear LED driver IC manufactured by Diodes Incorporated, designed for automotive and lighting applications. It operates with a single output channel delivering a constant current of 100 mA. The device supports PWM dimming and functions within an input voltage range of 1.4 V to 40 V, with a maximum output voltage of 40 V. It is housed in a compact SOT-23-6 surface-mount package. The component is qualified under the AEC-Q100 standard for automotive use and maintains operation across a junction temperature range of -55°C to +150°C.
Feature Summary
- Provides regulated constant current output for stable LED illumination
- Supports pulse-width modulation (PWM) dimming control
- Qualified for automotive environments under AEC-Q100 standards
Applications
- Automotive exterior lighting systems
- Interior vehicle illumination circuits
- General-purpose LED constant current regulation
Procurement Notes
Verify that the specific part number suffix matches the required automotive qualification level. Confirm the package type corresponds to the intended PCB footprint. Ensure the supply chain source provides valid traceability documentation for components designated for automotive use. Cross-reference the manufacturer's latest datasheet to confirm pinout compatibility before integration into existing designs.
Selection Notes
Select this component when a single-channel linear driver is required for low-power LED strings. It is suitable for applications where thermal dissipation allows for linear regulation rather than switching topologies. Consider the 100 mA output limit and the 40 V voltage headroom when designing the LED array configuration. Verify that the operating environment falls within the specified wide temperature range.
Part Context
This device belongs to the BCR4xx series of transistor-based LED drivers from Diodes Incorporated. These components are engineered specifically for high-reliability automotive lighting applications. The series offers various fixed current options to accommodate different LED power requirements while maintaining a consistent form factor and interface.
Replacement Considerations
Check for other members of the BCR4xx family with different current ratings if the load requirements change. Verify pin-to-pin compatibility with alternative linear LED drivers from other manufacturers before substitution.
