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  4. 21A, High Efficiency, Fully Integrated, Synchronous Boost Converter with Programmable Input Current Limit, AEC-Q100 Qualified MPQ3431A-AEC1 (Monolithic Power Systems, Inc.)
21A, High Efficiency, Fully Integrated, Synchronous Boost Converter with Programmable Input Current Limit, AEC-Q100 Qualified MPQ3431A-AEC1-MPQ3431A-AEC1
21A, High Efficiency, Fully Integrated, Synchronous Boost Converter with Programmable Input Current Limit, AEC-Q100 Qualified MPQ3431A-AEC1-Monolithic Power Systems, Inc.

21A, High Efficiency, Fully Integrated, Synchronous Boost Converter with Programmable Input Current Limit, AEC-Q100 Qualified MPQ3431A-AEC1
Monolithic Power Systems, Inc.

About This Product

■Summary

The MPQ3431A is a 450kHz fixed frequency, highly integrated boost converter with a wide input range. The MPQ3431A starts from input voltages as low as 2.7V, integrates low RDS (ON) power MOSFETs, and supports up to 20W load power from a single-cell battery. The MPQ3431A employs a constant off-time (COT) control topology that provides fast transient response. The MODE pin allows the user to select pulse-skipping mode (PSM), forced continuous conduction mode (FCCM), or ultrasonic mode (USM) under light load conditions. A programmable input current limit provides accurate overload protection. The low-side MOSFET limits the peak current in the inductor from cycle to cycle, and the high-side MOSFET eliminates the need for an external Schottky diode. Protection features include programmable input undervoltage lockout (UVLO) and overtemperature protection (OTP). MPQ3431A is available in a QFN-13 (3mm x 4mm) package.

■Features and benefits

・Industrial/in-vehicle temperature guaranteed ・Starting voltage from 2.7V to 13V ・Operating voltage from 0.8V to 13V ・Output voltage up to 16V Supports 20W average power load and 40W peak power load from 3.3V ・Configurable input current limit ・21.5A internal switch current limit ・Integrated 6mΩ and 9.5mΩ power MOSFETs 95% efficiency at 9V/3A from 3.6V input voltage - Selectable PSM, USM above 23kHz, and FCCM under light load conditions ・Fixed switching frequency of 450kHz ・Adaptive COT for fast transient response ・External soft start and compensation pin ・Programmable UVLO and hysteresis ・150℃ over temperature protection (OTP) ・Provided in QFN-13 (3mm x 4mm) package ・AEC-Q100 certified

■Available product numbers

・MPQ3431AGL-AEC1-P MPQ3431AGL-AEC1-Z ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    21A, High Efficiency, Fully Integrated, Synchronous Boost Converter with Programmable Input Current Limit, AEC-Q100 Qualified MPQ3431A-AEC1

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1 Models of 21A, High Efficiency, Fully Integrated, Synchronous Boost Converter with Programmable Input Current Limit, AEC-Q100 Qualified MPQ3431A-AEC1

Image Part Number Price (excluding tax) Down Mode Input/Output Disconnect Iq (typ) (mA) Isw Limit (typ) (A) P.G. Regulated Outputs SS Special Features Vfb (V) Vout (max) (V) Vout (min) (V) Fsw (max) (kHz) Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
21A, High Efficiency, Fully Integrated, Synchronous Boost Converter with Programmable Input Current Limit, AEC-Q100 Qualified MPQ3431A-AEC1-Part Number-MPQ3431A-AEC1

MPQ3431A-AEC1

Available upon quote

Yes

Yes

0.45

21.5

No

1

External

Configurable UVLO and Hysteresis, COT Control, OTP, Selectable PSM

1

16

2.7

450

Automotive

QFN-13 (3x4)

13

2.7

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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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