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  4. USB Charger 36V Step Down Converter Apple MFI passes AEC-Q100 certification MPQ4253B-AEC1 (Monolithic Power Systems, Inc.)
USB Charger 36V Step Down Converter Apple MFI passes AEC-Q100 certification MPQ4253B-AEC1-MPQ4253B-AEC1
USB Charger 36V Step Down Converter Apple MFI passes AEC-Q100 certification MPQ4253B-AEC1-Monolithic Power Systems, Inc.

USB Charger 36V Step Down Converter Apple MFI passes AEC-Q100 certification MPQ4253B-AEC1
Monolithic Power Systems, Inc.

About This Product

■Summary

The MPQ4253B integrates a monolithic step-down switch-mode converter with two USB current-limiting switches and charging port identification circuitry on each port. The MPQ4253B provides up to 6A of output current (IOUT) over a wide input voltage (VIN) range with excellent load and line regulation. The USB outputs are one fixed USB Type-A USB port and one USB Type-C USB port. Each USB switch is current limited. The USB1 port also supports USB Type-C 5V@3A DFP mode. The USB2 port supports battery charging specification (BC1.2), Apple divider 3 modes, and DCP method with 1.2V/1.2V mode, so no external user intervention is required. The MPQ4253B buck and USB2 outputs are always on when EN is high. When it detects that USB2 is connected with a device, the capacity of USB1 port will be automatically changed to 1.5A. The step-down converter uses peak current (IPEAK) mode control to adjust IOUT. At light load conditions, the part enters pulse frequency modulation (PFM) mode to improve efficiency. Extensive protection features include overcurrent protection (OCP) with hiccup mode, output overvoltage protection (OVP), and thermal shutdown. The device supports load limit mode for USB1 port. When entering load shedding, USB Type-C's advertised current capability changes to 1.5A. The MPQ4253B requires a minimal number of standard off-the-shelf external components and is available in a QFN-26 (5mm x 5mm) package.

■Available product numbers

・MPQ4253BGU-AEC1-Z MPQ4253BGU-AEC1-P ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    USB Charger 36V Step Down Converter Apple MFI passes AEC-Q100 certification MPQ4253B-AEC1

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1 Models of USB Charger 36V Step Down Converter Apple MFI passes AEC-Q100 certification MPQ4253B-AEC1

Image Part Number Price (excluding tax) Common Features Control Mode Iout (max) (A) Iq (typ) (mA) Isw Limit (typ) (A) Max Duty Cycle (%) Regulated Outputs Vfb (V) Vout (max) (V) Vout (min) (V) Fsw (max) (kHz) Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
USB Charger 36V Step Down Converter Apple MFI passes AEC-Q100 certification MPQ4253B-AEC1-Part Number-MPQ4253B-AEC1

MPQ4253B-AEC1

Available upon quote

Synchronous Rectification

Current Mode

6

540

12

99

2

Inner divider

5.3

5.1

1,000

Automotive

QFN-26 (5x5)

40

5

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About Company Handling This Product

Monolithic Power Systems, Inc.

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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