MPQ9840GL-AEC1-Z

The MPQ9840GL-AEC1-Z is a high-efficiency, synchronous step-down DC-DC converter from Monolithic Power Systems (MPS). Designed for automotive applications, it complies with AEC-Q100 standards, ensuring reliability in harsh environments.
Key Features:
- Input Voltage: 4.5V to 36V
- Output Current: Up to 4A
- High Efficiency: Up to 95%
- Switching Frequency: 2.2MHz (adjustable)
- Protections: Overcurrent, overtemperature, undervoltage lockout (UVLO)
- Package: Compact 3mm × 3mm QFN
Applications:
- Automotive infotainment
- ADAS (Advanced Driver Assistance Systems)
- Power supplies for sensors and processors
The MPQ9840GL-AEC1-Z integrates power MOSFETs, reducing external components and board space. Its AEC-Q100 qualification makes it ideal for automotive designs requiring robust performance.

Equivalent products to the MPQ9840GL-AEC1-Z (a 40V, 3A synchronous step-down converter) include:
- TPS54340 (TI)
- LM5145 (TI)
- LTC7138 (Analog Devices)
- MAX17526 (Maxim Integrated)
These offer similar voltage, current, and synchronous buck converter functionality. Always verify specs for your application.

The MPQ9840GL-AEC1-Z is a high-efficiency, automotive-grade synchronous step-down converter with the following key features:
- Input Voltage Range: 4.5V to 36V
- Output Current: Up to 4A
- Switching Frequency: 300kHz to 2.2MHz (adjustable)
- Efficiency: Up to 95%
- Protections: Overcurrent (OCP), overvoltage (OVP), undervoltage lockout (UVLO), and thermal shutdown
- AEC-Q100 Qualified (Grade 1, -40°C to +125°C)
- Adjustable Output Voltage: 0.8V to 90% of VIN
- Low Quiescent Current: 40µA (light load)
- Package: 3mm × 4mm QFN
Designed for automotive applications, it offers robust performance in harsh environments.

The MPQ9840GL-AEC1-Z is manufactured by Monolithic Power Systems (MPS), a leading semiconductor company specializing in high-performance power solutions.
MPS designs and produces efficient, compact power management ICs for applications like automotive, industrial, computing, and consumer electronics. The MPQ9840GL-AEC1-Z is an AEC-Q100 qualified, synchronous buck converter, indicating its use in automotive-grade systems.
MPS is known for innovation in power efficiency and integration, serving global markets with reliable, high-quality components.

The MPQ9840GL-AEC1-Z is a QFN (Quad Flat No-lead) package type. It features a compact, surface-mount design with exposed pads for enhanced thermal performance, commonly used in power management applications. The package is lead-free and RoHS compliant, suitable for high-efficiency designs. Exact dimensions can be found in the datasheet.