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  4. 36V, step-down converter, supports 1x Automotive Type-A and 1x Type-C dual USB charging port MPQ4253A-AEC1 (Monolithic Power Systems, Inc.)
36V, step-down converter, supports 1x Automotive Type-A and 1x Type-C dual USB charging port MPQ4253A-AEC1-MPQ4253A-AEC1
36V, step-down converter, supports 1x Automotive Type-A and 1x Type-C dual USB charging port MPQ4253A-AEC1-Monolithic Power Systems, Inc.

36V, step-down converter, supports 1x Automotive Type-A and 1x Type-C dual USB charging port MPQ4253A-AEC1
Monolithic Power Systems, Inc.

About This Product

■Summary

The MPQ4253A-AEC1 integrates a monolithic step-down switch-mode converter with two USB current-limiting switches and charging port identification circuitry on each port. The MPQ4253A-AEC1 provides up to 6A of output current (IOUT) with excellent load and line regulation over a wide input supply range. USB output is fixed at one Type-A port and one Type-C 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 mode, and DCP method with 1.2V/1.2V mode, so no external user intervention is required. The MPQ4253A-AEC1 buck and USB2 outputs are always on when EN is high. When USB2 detects that a device is connected, the USB1 port's function will automatically change to 1.5A. Step-down converters use peak current mode control to regulate the output voltage (VOUT). Under light load conditions, it enters pulse frequency modulation (PFM) mode to achieve high light load efficiency. Extensive protection features include hiccup current limiting, output overvoltage protection (OVP), and thermal shutdown. The device supports load limit mode for USB1 port. When entering load shedding, Type-C's advertised current capability changes to 1.5A. The MPQ4253A-AEC1 requires a minimal number of off-the-shelf standard external components and is available in a QFN-26 (5mm x 5mm) package.

■Features and benefits

・All-in-one USB Type-C + USB Type-A solution ・If the USB Type-A port detects a device plug-in, the USB Type-C load capacity will be automatically changed to 1.5A. ・Default frequency spread spectrum based on 480kHz (FREQ = Float) ・Automatic PFM/PWM operation ・Wide operating input voltage (VIN) range from 6V to 36V ・Selectable output voltage (VOUT): 5.1V, 5.17V, or 5.3V ・90mV line drop compensation

  • Product

    36V, step-down converter, supports 1x Automotive Type-A and 1x Type-C dual USB charging port MPQ4253A-AEC1

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1 Models of 36V, step-down converter, supports 1x Automotive Type-A and 1x Type-C dual USB charging port MPQ4253A-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 Vout (max) (V) Vout (min) (V) Fsw (max) (kHz) Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
36V, step-down converter, supports 1x Automotive Type-A and 1x Type-C dual USB charging port MPQ4253A-AEC1-Part Number-MPQ4253A-AEC1

MPQ4253A-AEC1

Available upon quote

Synchronous Rectification

Current Mode

6

0.54

12

99

2

5.3

5.1

1,000

Automotive

QFN-26 (5x5)

36

6

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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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