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Product Detailed Parameters
- Description：36V, 1.5A, 2.2MHZ, HIGH-EFFICIEN
- Series：-
- Mfr：Monolithic Power Systems Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：1A
- Frequency：2.2MHz
- Dimming：PWM
- Applications：-
- 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 MPQ4425CGQBE-AEC1-Z is a high-efficiency, synchronous step-down LED driver IC from Monolithic Power Systems. It features a single output capable of delivering up to 1.5 A of constant current. The device operates with an input voltage range of 4 V to 36 V and supports a switching frequency of 2.2 MHz. It is housed in a QFN-13 package and is qualified under the AEC-Q100 standard for automotive applications. The component supports PWM dimming and functions within a temperature range of -40°C to +125°C.
Feature Summary
- Integrates a synchronous buck topology for efficient power conversion in LED lighting systems.
- Supports precise pulse-width modulation (PWM) dimming control for brightness adjustment.
- Includes built-in protection mechanisms such as thermal shutdown and short circuit protection.
Applications
- Automotive interior LED lighting modules
- High-efficiency DC-DC LED drivers
- Automotive-grade illumination circuits
Procurement Notes
Verify the specific suffix 'Z' indicates wettable flank packaging when required for automated assembly reliability. Confirm AEC-Q100 qualification status matches project requirements. Check datasheet for exact pinout compatibility with existing PCB layouts. Ensure input voltage specifications align with system supply rails.
Selection Notes
Select this component for designs requiring a single-channel, high-current LED driver with automotive certification. The 2.2 MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the QFN-13 package fits the available board space and thermal management strategy.
Part Context
This part belongs to the MPQ4425 series of synchronous step-down LED drivers designed for automotive environments. It shares core electrical characteristics with variants like the MPQ4425AGQBE-AEC1-Z but differs in specific package or trim options. The series targets reliable performance in demanding automotive lighting applications.
Replacement Considerations
Direct substitutes include MPQ4425AGQBE-AEC1-Z and MPQ4425BGQBE-AEC1-Z. Verify package type and pinout compatibility before substitution. Electrical parameters such as current rating and input voltage range are similar across these variants.
