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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersMCP19123-E/MQ
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MCP19123-E/MQ - Microchip Technology

Manufacturer Part Number
MCP19123-E/MQ
Manufacturer
Microchip Technology
Allelco Part Number
32D-MCP19123-E/MQ
ECAD Model
Parts Description
DIGITALLY ENHANCED POWER ANALOG
Package
28-VFQFN Exposed Pad
Data sheet
MCP19122-23 Datasheet.pdf
MCP19122,23 Programming Specification.pdf
PMBus™ Monitoring GUI Guide.pdf
RoHs Status
ROHS3 Compliant
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Specifications

MCP19123-E/MQ Tech Specifications
Microchip Technology - MCP19123-E/MQ technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - MCP19123-E/MQ

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Voltage - Supply (Vcc/Vdd) 4.5V ~ 40V  
Topology Buck  
Synchronous Rectifier Yes  
Supplier Device Package 28-QFN (5x5)  
Series Automotive, AEC-Q100  
Serial Interfaces I²C, PMBus, SMBus  
Package / Case 28-VFQFN Exposed Pad  
Package Tube  
Output Type PWM Signal  
Output Phases 2  
Product Attribute Attribute Value  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C (TA)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 100kHz ~ 1.6MHz  
Duty Cycle (Max) -  
Control Features Enable, Frequency Control, Power Good, Soft Start, Watchdog  
Clock Sync Yes  
Base Product Number MCP19123  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.31.0001

Parts Introduction

Manufacturer Part Number

MCP19123-E/MQ

Manufacturer

Microchip Technology

Introduction

The MCP19123-E/MQ is a flexible and efficient PWM signal step-down (buck) controller, specifically designed to manage power in automotive applications. It supports multiple serial interfaces combined with advanced control features.

Product Features and Performance

PWM Signal Output Type

Step-Down Functionality

Positive Output Configuration

Buck Topology

Single Output with Dual Output Phases

Supports a wide input voltage range from 4.5V to 40V

Adjustable Switching Frequency from 100kHz to 1.6MHz

Integrated Synchronous Rectifier for improved efficiency

Clock Synchronization capability

Extensive Serial Interfaces: I2C, PMBus, SMBus

Product Advantages

Enhanced power efficiency and management for automotive applications

Flexible control with programmable frequency and multiple serial interfaces

Robust thermal management with surface mount packaging

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 4.5V ~ 40V

Frequency Switching: 100kHz ~ 1.6MHz

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

AEC-Q100 Qualified for Automotive use

Features like Soft Start, Power Good, and Watchdog enhance operational safety

Compatibility

Compatible with various automotive-grade applications requiring robust power management

Application Areas

Automotive Electronics

Power Management Modules

Embedded Systems requiring efficient DC-DC conversion

Product Lifecycle

Current Status: Active

This product is not indicated as near discontinuation, replacements or upgrades should be checked directly with Microchip Technology for future-proofing designs.

Several Key Reasons to Choose This Product

Automotive AEC-Q100 qualification ensures reliability under harsh conditions

Broad input voltage range and high temperature tolerance cater to diverse automotive environments

Multi-interface support fosters scalability and flexibility in system design

Advanced features such as frequency control and synchronous rectification facilitate enhanced performance and efficiency

Comprehensive safety and control features safeguard against system failures and ensure stable operation

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology MCP19123-E/MQ

Product Attribute MCP19123-E/MQ MCP19215T-E/S8 MCP19214T-E/MQ MCP19123T-E/MQ
Part Number MCP19123-E/MQ MCP19215T-E/S8 MCP19214T-E/MQ MCP19123T-E/MQ
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Synchronous Rectifier Yes Yes Yes Yes
Function Step-Down Step-Up/Step-Down Step-Up/Step-Down Step-Down
Output Phases 2 2 2 2
Output Type PWM Signal PWM Signal PWM Signal PWM Signal
Base Product Number MCP19123 MCP19215 MCP19214 MCP19123
Frequency - Switching 100kHz ~ 1.6MHz 31.25kHz ~ 2MHz 31.25kHz ~ 2MHz 100kHz ~ 1.6MHz
Voltage - Supply (Vcc/Vdd) 4.5V ~ 40V 4.5V ~ 42V 4.5V ~ 42V 4.5V ~ 40V
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Supplier Device Package 28-QFN (5x5) 32-VQFN (5x5) 28-QFN (5x5) 28-QFN (5x5)
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TA)
Duty Cycle (Max) - - - -
Control Features Enable, Frequency Control, Power Good, Soft Start, Watchdog Dead Time Control, Frequency Control, Ramp, Soft Start Dead Time Control, Frequency Control, Ramp, Soft Start Enable, Frequency Control, Power Good, Soft Start, Watchdog
Clock Sync Yes Yes Yes Yes
Package Tube Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Serial Interfaces I²C, PMBus, SMBus I²C I²C I²C, PMBus, SMBus
Series Automotive, AEC-Q100 Automotive, AEC-Q100 Automotive, AEC-Q100 Automotive, AEC-Q100
Package / Case 28-VFQFN Exposed Pad 32-VFQFN Exposed Pad 28-VFQFN Exposed Pad 28-VFQFN Exposed Pad
Number of Outputs 1 2 2 1
Output Configuration Positive Positive Positive Positive
Topology Buck Boost, Cuk, Flyback, SEPIC Boost, Cuk, Flyback, SEPIC Buck

MCP19123-E/MQ Datasheet PDF

Download MCP19123-E/MQ pdf datasheets and Microchip Technology documentation for MCP19123-E/MQ - Microchip Technology.

Datasheets
MCP19122-23 Datasheet.pdf
PCN Packaging
2.73KHz.pdf
PCN Assembly/Origin
2.73KHz.pdf
HTML Datasheet
MCP19122,23 Programming Specification.pdf PMBus™ Monitoring GUI Guide.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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MCP19123-E/MQ Image

MCP19123-E/MQ

Microchip Technology
32D-MCP19123-E/MQ

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