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Product Detailed Parameters
- Description：IC LED DRIVER RGLTR 25MA 16UQFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：32V
- Current - Output / Channel：25mA
- Frequency：1.3MHz
- Dimming：-
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-UFQFN Exposed Pad
- Supplier Device Package：16-UQFN (3x3)
- Grade：-
- Qualification：-
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Overview
The NCP5021MUTXG is a high-voltage white LED driver IC from onsemi, designed for step-up (boost) DC-DC regulation. It integrates ambient light sensing capabilities to support automatic dimming functions. The device delivers a regulated output current of 25 mA and is housed in a compact 16-UQFN (3x3 mm) package. This component is engineered for efficient power management in applications requiring precise LED control and environmental light adaptation.
Feature Summary
- Integrates ambient light sensing for adaptive brightness control
- Provides regulated step-up DC-DC conversion for high-voltage LEDs
- Delivers fixed 25 mA output current for consistent illumination
Applications
- Automotive exterior lighting systems
- High-voltage white LED backlighting
- Adaptive front-lighting modules
Procurement Notes
Verify the specific suffix 'TXG' confirms the reel packaging format when ordering. Ensure compatibility with the 16-UQFN footprint during PCB layout. Confirm that the ambient light sensor interface matches the system's input requirements. Validate thermal performance within the specified operating temperature range for the intended enclosure.
Selection Notes
Select this component for designs requiring integrated ambient light sensing without external sensors. It is suitable for high-voltage LED strings where boost topology is necessary. Consider the 25 mA current limit for lower-power LED arrays. The UQFN package offers space savings compared to larger footprints.
Part Context
This part belongs to onsemi's portfolio of specialized LED drivers. It targets markets demanding high reliability and integrated sensing features. The device complements other power management solutions by providing dedicated lighting control with minimal external component count.
Replacement Considerations
Check datasheets for pin-compatible alternatives with similar boost voltage ranges. Verify if substitute parts offer comparable ambient light sensing integration. Ensure output current specifications match the 25 mA requirement for direct replacement.
