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Product Detailed Parameters
- Description：IC LED DRVR RGLTR PWM 1.5A 13QFN
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：Step-Down (Buck)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：4V
- Voltage - Supply (Max)：36V
- Voltage - Output：-
- Current - Output / Channel：1.5A
- Frequency：2.2MHz
- Dimming：PWM
- Applications：Lighting
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount, Wettable Flank
- Package / Case：13-PowerVQFN
- Supplier Device Package：13-QFN (2.5x3)
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The MPQ4425MGQBE-AEC1-P is an automotive-grade, synchronous step-down LED driver IC manufactured by Monolithic Power Systems. It features a 1.5 A output current capability and operates within a 4 V to 36 V input voltage range. The device utilizes a 2.2 MHz switching frequency and includes two independent channels for constant current regulation. It is housed in a QFN-13 package with wettable flank technology to ensure reliable soldering. The component supports PWM dimming and meets AEC-Q100 standards for operation between -40°C and +125°C.
Feature Summary
- Dual-channel synchronous buck topology for independent LED string control
- Wettable flank QFN-13 package design for enhanced solder joint reliability
- Integrated short circuit and thermal protection mechanisms
- AEC-Q100 qualified for automotive environment compliance
Applications
- Automotive exterior lighting systems
- LED headlamp modules
- Adaptive driving beam applications
- High-intensity front fog lamps
Procurement Notes
Verify the specific suffix 'P' indicates reel packaging configuration distinct from 'Z'. Confirm the wettable flank variant matches PCB footprint requirements. Ensure AEC-Q100 certification documents are available for automotive qualification audits. Cross-reference the dual-channel specification against single-channel alternatives if system architecture changes.
Selection Notes
Select this part when dual independent LED strings require synchronized or separate control within a compact form factor. The wettable flank package is critical for high-reliability automotive assembly processes. Consider the 2.2 MHz frequency for smaller passive component sizing compared to lower-frequency variants. Verify input voltage compatibility with vehicle electrical systems ranging from 4 V to 36 V.
Part Context
This component belongs to the MPQ4425M series of high-efficiency synchronous step-down LED drivers designed specifically for automotive applications. The series differentiates itself through integrated protection features and automotive qualification. The MPQ4425MGQBE-AEC1-P variant specifically offers dual-channel output capability, distinguishing it from single-channel counterparts like the MPQ4425AGQB-AEC1-Z.
Replacement Considerations
MPQ4425MGQBE-AEC1-Z serves as a tape-and-reel alternative with identical electrical characteristics. Single-channel variants such as MPQ4425AGQB-AEC1-Z may replace this unit only if one channel remains unused and pinout compatibility is verified.
