Datasheet > MPQ4276A-AEC1

MPQ4276A-AEC1

更新时间： 2024-04-09 19:02:53

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
26页	2173K
描述
频率可调的 36V、6A 降压变换器，具有双 USB 充电端口和轻载下的 PFM 模式，符合 AEC-Q100 认证

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MPQ4276A-AEC1 数据手册

MPQ4276A

36V, 6A, Configurable Frequency Buck

Converter with Dual USB Charging Ports and

PFM Mode under Light Loads, AEC-Q100

DESCRIPTION

FEATURES

The MPQ4276A integrates a monolithic, step-

down switch-mode converter with two USB

current-limit switches, as well as USB Type-C

5V @ 3A mode configuration channels for each

port. The MPQ4276A achieves 6A of output

current (I_OUT) across a wide input supply range,

with excellent load and line regulation.



Passes USB-IF Type-C Certification Test

Passes Apple MFI Certification Test

Automatic Pulse-Frequency Modulation

(PFM) and Pulse-Width Modulation (PWM)

Modes

Enables Output when EN is Pulled High or

CC1, CC2, CC3, and CC4 Are Connected

EN1 and EN2 Pulled Active Low Controls

USB1 and USB2 On/Off

135°C Load-Shedding vs. Temperature

Accurate 5A USB1 and USB2 Output

Current (I_OUT) Limit

Wide 6V to 36V Operating Input Voltage

(V_IN) Range



The USB switch’s output is current-limited. Both

USB ports support USB Type-C 5V @ 3A DFP

mode, which eliminates the need for external

user interaction.



The MPQ4276A uses peak current control

mode to regulate the output voltage (V_OUT).

Under light-load conditions, the device enters

pulse-frequency modulation (PFM) mode to

improve light-load efficiency.



Selectable Output Voltage (V_OUT

Line Drop Compensation

)

21mΩ and 15mΩ Low On Resistance

(R_DS(ON)) Internal Power MOSFETs for the

Buck Converter

18mΩ and 18mΩ Low R_DS(ON)Internal

Power MOSFETs for USB1 and USB2

Adjustable 200kHz to 2.2MHz Frequency

Hiccup Current Limit for Both the Buck

Converter and USB Switches

Full protection features include hiccup current

limiting, output over-voltage protection (OVP),

and thermal shutdown.



The MPQ4276A requires a minimal number of

readily available, standard external components,

and is available in a QFN-26 (5mmx5mm)

package.



Fault Indication for USB1 and USB2

Supports USB Type-C 5V @ 3A Mode

±8kV Human Body Model (HBM) ESD

Rating for USB1 and USB2



Available in a QFN-26 (5mmx5mm)

Package

Available in AEC-Q100 Grade 1

APPLICATIONS



USB Hubs

USB Type-C Charging Ports

All MPS parts are lead-free, halogen-free, and adhere to the RoHS

directive. For MPS green status, please visit the MPS website under Quality

Assurance. “MPS”, the MPS logo, and “Simple, Easy Solutions” are

trademarks of Monolithic Power Systems, Inc. or its subsidiaries.

MPQ4276A Rev. 1.0

5/9/2022

MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

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与MPQ4276A-AEC1相关器件

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MPQ4316-AEC1	MPS	获取价格	45V、6A、低静态电流同步降压变换器，具有扩频功能，符合 AEC-Q100 认证
MPQ4317-AEC1	MPS	获取价格	45V、7A、低静态电流同步降压变换器，具备频谱扩展功能，符合 AEC-Q100 认证
MPQ4320-AEC1	MPS	获取价格	42V 负载突降容限、0.5A、低IQ、超紧凑同步降压变换器，符合 AEC-Q100 认证
MPQ4320C-AEC1	MPS	获取价格	42V负载突降容限、0.5A、超紧凑同步降压变换器，符合 AEC-Q100 认证
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