- MPQ4360-AEC1
MPQ4360-AEC1
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Description
The MPQ4360 is a configurable-frequency, synchronous, step-down switch-mode converter with integrated, internal high-side and low-side power MOSFETs. The device provides up to 6A of highly efficient output current (IOUT), with current mode control for fast loop response. The wide 3.3V to 40V input voltage (VIN) range accommodates a variety of step-down applications in an automotive input environment. The 1.7μA shutdown current (ISD) allows the part to be used in battery-powered applications.
High power conversion efficiency across the wide load range is achieved by scaling down the switching frequency (fSW) under light-load conditions to reduce the switching and gate driving losses. An open-drain power good (PG) signal indicates whether the output voltage (VOUT) is between 95% and 105% of its nominal voltage.
Frequency foldback prevents inductor current (IL) runaway during start-up. Thermal shutdown provides reliable, fault-tolerant operation. A high duty cycle and low-dropout mode are provided for automotive cold-crank conditions.
The MPQ4360 is available in a QFN-20 (4mmx4mm) package.
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Features & Benefits
- Designed for Automotive Applications:
- Wide 3.3V to 40V Operating Input Voltage (VIN) Range
- Low-Dropout Mode
- 6A Continuous Output Current (IOUT)
- 100ns Minimum On Time (tON_MIN)
- Multi-Phase Capability
- -40°C to +150°C Junction Temperature (TJ) Range
- Available in AEC-Q100 Grade 1
- Increased Battery Life:
- Low 1.7μA Shutdown Current (ISD)
- 22μA Quiescent Current (IQ) with Switching
- Advanced Asynchronous Modulation (AAM) Mode Increases Efficiency at Light Loads
- High Performance for Improved Thermals:
- Internal 50mΩ High-Side MOSFET (HS-FET) and 22mΩ Low-Side MOSFET (LS-FET)
- Optimized for EMC/EMI:
- 350kHz to 1000kHz Configurable Switching Frequency (fSW)
- Up to 2.2MHz Configurable fSW for ≥5V VOUT Car Battery Applications
- Symmetric VIN Pinout
- Synchronized to External Clock
- Out-of-Phase Synchronized Clock Output
- CISPR25 Class 5 Compliant
- MeshConnect™ Flip-Chip Package
- Additional Features:
- Power Good (PG) Output
- External Soft Start (SS)
- Over-Current Protection (OCP) with Hiccup Mode
- Available in a QFN-20 (4mmx4mm) Package with Wettable Flank

Active Part Numbers:
MPQ4360GRE-AEC1-Z MPQ4360GRE-AEC1-P
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MPQ4360-AEC1 Resources
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ARTICLE
DESIGNING A POWER TREE FOR AN AUTOMOTIVE SOCARTICLEAdvanced driver assistance systems (ADAS) and infotainment system-on-chips (SoCs) are offering increasingly higher computing power, which in turn results in higher power demands. An SoC can require more than 10 different power rails, with currents ranging from hundreds of amperes (A) to a few mA. Crafting an optimal power tree for these applications is not a trivial task. This article will discuss...
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