MP62171
NOT RECOMMENDED FOR NEW DESIGNS
3.3V/5V, Single-Channel 1.5A Current-Limited Power Distribution Switch
MP62171 continues to be in production for existing customers. Please consider this alternative for new designs:

MP62551
MP62551
Precision Adjustable Current-Limited Power Distribution Switch
Features & Benefits
- Up to 1.5A Continuous Output Current
- ±10% Current-Limit Accuracy
- Adjustable Current-Limit, 60mA -1700mA (typ)
- Fast Over-current Response 2μs (typ)
- 2.5V to 5.5V Supply Range
- 88mΩ MOSFET (TQFN Package)
- 1.5μA Maximum Standby Supply Current
- Reverse Input-Output Voltage Protection
- Built-in Soft-Start
- Thermal-Shutdown Protection
- Automatic-on after Fault Removed
- Under-Voltage Lockout
- Deglitched Fault Report
- FLAG Will Not Change State at Input UVLO Transition
- Bidirectional Fault Deglitch Time
- Active Low & Active High Options
… and many more!
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Description
The MP62170/MP62171 Power Distribution Switch features internal current limiting to prevent damage to host devices due to faulty load conditions. The MP62170/MP62171 analog switch has 75mΩ on-resistance and operates from 2.7V to 5.5V input. It is available with guaranteed current limits, making it ideal for load switching applications. The MP62170/MP62171 has built-in protection for both over current and increased thermal stress. For over current, the device will limit the current by changing to a constant current mode. As the temperature increases as a result of short circuit, then the device will shut off. The device will recover once the device temperature reduces to approx 120°C. MP62170/MP62171 is available in 8-pin MSOP and SOIC package without exposed pad.
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Features & Benefits
- 1.5A Continuous Current
- Accurate Current Limit
- 2.7V to 5.5V Supply Range
- 90µA Quiescent Current
- 75mΩ MOSFET
- Thermal-Shutdown Protection
- Under-Voltage Lockout
- 8ms FLAG Deglitch Time
- No FLAG Glitch During Power Up
- Reverse Current Blocking
- Active High & Active Low Options
- SOIC8 & MSOP8 Packages

Active Part Numbers:
MP62171EK-1-LF-P MP62171EK-1-LF-Z MP62171EK-LF-P MP62171EK-LF-Z MP62171ES-1-LF-P MP62171ES-1-LF-Z MP62171ES-LF-P MP62171ES-LF-Z
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP62171 Resources
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APPLICATION
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APPLICATION
INKJET & LASER PRINTERSAPPLICATIONInkjet and laser printers are incorporating more and more features into new designs. These printers must be able to quickly print high-quality renditions of documents or photos, as well as keep up with energy-saving trends that have increased the need for ultra-low standby power and reduced energy consumption. Growing customer expectations have put pressure on designers to expand system capabiliti...
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VIDEO
SMALLEST ISOLATED LINEAR HALL-EFFECT CURRENT SENSOR: MCS1806VIDEOThis linear, Hall-effect current sensor delivers 3kVRMS minimum isolation voltage and 500VRMS maximum working voltage. The MCS1806 is designed for a variety of applications requiring high isolation, and is immune to stray fields when in close proximity to other applications such as motors. It is highly integrated, requiring a minimal number of external components and comprising the smallest isolat...
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VIDEO
UNDERSTANDING ANGLE POSITION SENSOR RESOLUTION AND BANDWIDTH IN SERVO CONTROL LOOPSVIDEOThis presentation details the advantages of magnetic angle sensing compared to optical sensing, the differences between Hall-effect and TMR-based solutions, and how to assess resolution accuracy and bandwidth. Learn the impact of error sources, and the importance of calculating real resolution in an application. Next-generation TMR sensor solutions such as the MA600 offer new levels of sensitivity...
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VIDEO
MP1528: UNBOXING AND GETTING STARTEDVIDEOOur engineers walk you through unboxing and getting started with the evaluation kit for the MP1528, a 36V precision LED driver. The EV1528DQ-00A evaluation board provides the ability to test and configure the driver for your application.
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VIDEO
OPTIMIZING THE DESIGN OF A FLYBACK CONVERTER FOR POEVIDEOLearn about the key components for designing a flyback converter for PoE.
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VIDEO
HIGH-PERFORMANCE ANGLE, POSITION, AND CURRENT SENSINGVIDEOOverview of MPS position sensors and current sensors.
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REFERENCE DESIGN
SPARTAN 7 PMIC SOLUTION WITH POWER SEQUENCING FOR HIGH POWER APPLICATIONS (4-12VIN)REFERENCE DESIGNThis reference design is intended for powering AMD Xilinx Spartan7 family of FPGAs (S6 - S100). This PMIC based solution combines a small footprint with good efficiency and tight regulation for a low cost solution. The internal sequencer ensures power up and power down sequencing requirements. MP5470 PMIC has 4x bucks, Vin range 6.5V to 16V, I2C support and available in a 3x4mm QFN package. ...
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ARTICLE
IF SMALL IS TOO BIG: THE NEW MA782 HALL ENCODER IS THE WORLD’S SMALLEST TRUE ABSOLUTE IC ENCODER®ARTICLEOver the last several decades, product development has become more and more dominated by design and ergonomic aspects. We all happily embrace this as consumers, but as developing engineers we are also aware of the implications on our daily work. Complex functions get squeezed into tiny packages, and increasing numbers of applications are now battery-powered and mobile. This also has a significant...
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ZYNQ7000 REFERENCE DESIGN USING PMIC MODULEREFERENCE DESIGNThe MPS Reference design for the AMD Xilinx Zynq-7000 SoC is centered around MPM54304 Quad PMIC module with 4 outputs (3A/3A/2A/2A) and two LDO regulators to provide all power rails to Zynq SoC. MPM54304 outputs can be paralleled for design flexibility and it includes built-in power sequencing. This design can operate from a 4V-16V input supply.
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REFERENCE DESIGN
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ARTICLE
STEPPER MOTORS BASICS: TYPES, USES, AND WORKING PRINCIPLESARTICLEIn this article, we will cover the basics of stepper motors. You will learn about the working principles, construction, control methods, uses, and types of stepper motors, as well as its advantages and disadvantages. A stepper motor is an electric motor whose main feature is that its shaft rotates by performing steps, that is, by moving by a fixed amount of degrees. This feature is obtained tha...
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VIDEO
APEC 2020 HR121X DEMOVIDEOAC/DC power supply designs must meet strict performance and size requirements. This video explores the HR121x family of full digital PFC + LLC combo controllers from MPS. PFC + LLC Controllers HR1210
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REFERENCE DESIGN
ARTIX 7 - PMIC REFERENCE DESIGNREFERENCE DESIGNContact MPS with exact requirements
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ARTICLE
USING MAGALPHA ROTARY MAGNETIC SENSORS IN SIDE SHAFT MODEARTICLEThe previous article discussed types of magnet and their uses with MPS MagAlpha sensors in “end of shaft” mode. This article will explore the “side shaft“ mode topology. MPS MagAlpha sensors utilize an array of Hall elements in the center of the IC that sense the horizontal vector of the field from the rotating magnet. This field typically comes from a simple two-pole, diam...
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ARTICLE
CHOOSING THE RIGHT MAGNET FOR MAGALPHA SENSORSARTICLEThe MPS MagAlpha family offers rotary Hall effect magnetic sensors that sense the position of a magnet as it rotates above or at the side of the sensor. Exact magnet sizes, shapes, and materials should be selected depending on application requirements and target costs. This article discusses tradeoffs, and how to choose the best magnet for an application. MPS MagAlpha sensors utilize an array o...
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REFERENCE DESIGN
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REFERENCE DESIGN
ZYNQ ULTRASCALE+ MPSOC 8 RAIL SMALLEST SIZE POWER MANAGEMENT REFERENCE DESIGNREFERENCE DESIGNThis is a scalable design for powering the AMD Xilinx Zynq UltraScale+ MPSoC family (ZU2 to ZU19). This module-based solution combines a small footprint with excellent efficiency and tight regulation. An external sequencer meets power up and power down sequencing requirements.
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ARTICLE
AN INTRODUCTION TO THE MAGALPHA MAGNETIC ANGLE SENSOR FAMILYARTICLEThe ability to detect position or speed is a fundamental requirement in the control and monitoring of many mechanical systems. Slow speed position measurement in applications such as motorized actuators has historically used resistive potentiometers. In high-speed applications such as servo motors, optical encoders have typically been used. Though potentiometers are inexpensive, they suffer from ...
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VIDEO
MCAR ANGLE SENSORSVIDEOThe mCar is a demonstration and marketing platform for MPS hardware. It integrates MPS power and motion control components in a real, large scale system that allows MPS teams to implement and test hardware and software on a challenging application. mCar was fully developed and fabricated in-house at MPS. Learn more about themCaror visit ourautomotivecomponentspage. MA704 10-bit, High Bandwith, ...
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