MPQ2171

MPQ2171

NOT RECOMMENDED FOR NEW DESIGNS

5.5V, 1A, 2.6MHz, Synchronous, Step-Down Converter AEC-Q100 Qualified

ALTERNATIVE PART

NRFND Datasheet

MPQ2171 continues to be in production for existing customers. Please consider this alternative for new designs:

MPQ2177GQHE-AEC1

5.5V, 1A, 2.4MHz, Synchronous Step-Down Converter with Power Good and Soft Start, AEC-Q100 Qualified

Features & Benefits

Designed for Automotive Applications:

Wide 2.5V to 5.5V Operating V_IN Range
Up to 1A Output Current (I_OUT)
1% FB Accuracy
Junction Temperature Operation from -40°C to +150°C

High Performance for Improved Thermals

75mΩ and 45mΩ Internal Power MOSFETs

Optimized for EMC/EMI:

2.4MHz Switching Frequency (f_SW)
Forced Continuous Conduction Mode (FCCM) across the Full Load Range
Mesh-Connect^TM Flip-Chip Package

Optimized for Board Size and BOM

Built-In Internal Power MOSFETs
Integrated Compensation Network
Fixed Output Options

Additional Features:

EN for Power Sequencing
Power Good (PG)
100% Duty Cycle On
External Soft Start (SS) Control
Output Discharge
Output Over-Voltage Protection (V_OUT OVP)
Short-Circuit Protection (SCP) with Hiccup Mode
Available in a QFN-8 (1.5mmx2mm) Package
Available in a Wettable Flank Package
Available in AEC-Q100 Grade 1

… and many more!

Description

The MPQ2171 is a monolithic, step-down, switch-mode converter with integrated, internal, power MOSFETs. The MPQ2171 can achieve up to 1A of continuous output current from a 2.5V to 5.5V input voltage with excellent load and line regulation. The output voltage can be regulated as low as 0.6V.

Constant-on-time (COT) control provides fast transient response and eases loop stabilization. Full protection features include cycle-by-cycle current limiting and thermal shutdown.

The MPQ2171 is ideal for a wide range of applications, including automotive infotainment, clusters, telematics, and portable instruments.

The MPQ2171 requires only a minimal number of readily available, standard, external components and is available in a small TSOT23-8 package.

Features & Benefits

Wide 2.5V to 5.5V Operating Input Range
Output Voltage as Low as 0.6V
100% Duty Cycle in Dropout
Up to 1A Output Current
90mΩ and 50mΩ Internal Power MOSFET Switches
Default 2.6MHz Switching Frequency with 3.3V Input and 1.8V Output
EN and Power Good for Power Sequencing
Cycle-by-Cycle Over-Current Protection (OCP)
Auto-Discharge at Power-Off
Short-Circuit Protection (SCP) with Hiccup Mode
Stable with Low ESR Output Ceramic Capacitors
Available in a TSOT23-8 Package
Available in AEC-Q100 Grade 1

Active Part Numbers:

MPQ2171GJ-P MPQ2171GJ-Z

Meaning of P & Z

Related Products

EV2171-J-00A 1A, 5.5V, 2.6MHz, Synchronous Step-Down Switcher Evaluation Board

The EV2171-J-00A is used for demonstrating the performance of MPS’s MP/MPQ2171, a low-voltage, high switching frequency, step-down switcher with built-in power MOSFETs. The MP/MPQ2171 provides up to 1A of highly efficient output with constant-on-time control for fast loop response. The MP/MPQ2171 is ideal for powering portable equipment that runs from a single cell Lithium-ion (Li+) battery. The output voltage can be regulated to as low as 0.6V.

High power efficiency over a wide load range is achieved by scaling down the switching frequency at light load to reduce the switching-related loss by constant-on-time control. Short circuit and thermal shutdown provides reliable, fault-tolerant operation. The MP/MPQ2171 is available in a TSOT23-8 package.

$50.00
+ tax