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  4. Step-down controller Automotive grade 4V to 40V input, current mode, synchronous rectification step-down controller MPQ2918-AEC1 (Monolithic Power Systems, Inc.)
Step-down controller Automotive grade 4V to 40V input, current mode, synchronous rectification step-down controller MPQ2918-AEC1-MPQ2918-AEC1
Step-down controller Automotive grade 4V to 40V input, current mode, synchronous rectification step-down controller MPQ2918-AEC1-Monolithic Power Systems, Inc.

Step-down controller Automotive grade 4V to 40V input, current mode, synchronous rectification step-down controller MPQ2918-AEC1
Monolithic Power Systems, Inc.

About This Product

■Summary

The MPQ2918 is a high voltage synchronous step-down controller that directly steps down voltages up to 40V. The MPQ2918 uses a pulse-width modulation (PWM) current control architecture with accurate cycle-by-cycle current limiting and can drive dual N-channel MOSFETs. Advanced Asynchronous Mode (AAM) enables asynchronous operation and optimizes efficiency at light loads. Advanced Asynchronous Mode (AAM) enables asynchronous operation and optimizes efficiency at light loads. The MPQ2918's operating frequency can be programmed by an external resistor or synchronized to an external clock for noise-sensitive applications. Extensive protection features include precision output overvoltage protection (OVP), output overcurrent protection and thermal shutdown. The MPQ2918 is available in TSSOP20-EP and QFN-20 (3mm x 4mm) packages.

■Features and benefits

・Wide operating input width from 4V to 40V ・Dual N-channel MOSFET driver ・0.8V voltage reference with ±1.5% accuracy over temperature range -Low dropout operation: 99.5% maximum duty cycle ・Programmable frequency width: 100kHz to 1,000kHz ・External synchronization clock width: 100kHz to 1,000kHz ・SYNCO pin with 180° phase difference ・Programmable soft start (SS) ・Power good output voltage monitor ・Selectable cycle-by-cycle current limit ・Output overvoltage protection (OVP) ・Overcurrent protection (OCP) ・Internal LDO with external power option - Programmable forced CCM and AAM ・Available in TSSOP20-EP and QFN-2 (3mm x 4mm) packages ・AEC-Q100 Grade 1

■Available product numbers

・MPQ2918GF-AEC1-P MPQ2918GF-AEC1-Z MPQ2918GL-AEC1-P MPQ2918GL-AEC1-Z MPQ2918GLE-AEC1-P MPQ2918GLE-AEC1-Z ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    Step-down controller Automotive grade 4V to 40V input, current mode, synchronous rectification step-down controller MPQ2918-AEC1

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1 Models of Step-down controller Automotive grade 4V to 40V input, current mode, synchronous rectification step-down controller MPQ2918-AEC1

Image Part Number Price (excluding tax) Iq (typ) (mA) Max Duty Cycle (%) P.G. Regulated Outputs SS Special Features Vfb (V) Fsw (max) (kHz) Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
Step-down controller Automotive grade 4V to 40V input, current mode, synchronous rectification step-down controller MPQ2918-AEC1-Part Number-MPQ2918-AEC1

MPQ2918-AEC1

Available upon quote

0.75

1

Yes

1

External

Adjustable Frequency, Hiccup Current Limit

0.8

1,000

Automotive

QFN-20 (3x4), TSSOP-20EP

40

4

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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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