Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Power Distribution Switches, Load Drivers

Monolithic Power Systems Inc. MP6205DD-LF-P

Name: MP6205DD-LF-P
Brand: Monolithic Power Systems Inc.
SKU: MP6205DD-LF-P
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: MP6205DD-LF-P

Manufacturer:: Monolithic Power Systems Inc.

Category:: Power Distribution Switches, Load Drivers

Package:: 8-TFDFN Exposed Pad

Datasheet:: MP6205DD-LF-P.pdf

Description:: IC PWR SWITCH 1:1 8QFN

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:3,940

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

MP6205DD-LF-P from Monolithic Power Systems is a single-channel, current-limited power distribution switch designed for load switching in USB and portable electronics. It delivers 500mA continuous current with 115mΩ R_DS(ON), operates from 2.7V to 5.5V, features thermal shutdown and under-voltage lockout, and is used in USB port power control and battery-powered peripheral management.

For engineers reviewing the MP6205DD-LF-P datasheet, MP6205DD-LF-P pinout, MP6205DD-LF-P application, or MP6205DD-LF-P equivalent, key selection criteria include guaranteed current limit accuracy, TSOT23-5 footprint compatibility, FLAG signal timing (8ms deglitch), reverse current blocking, and thermal recovery behavior at ~120°C.

Technical Context

The MP6205DD-LF-P integrates a low-R_DS(ON) N-channel MOSFET with precision current-limit circuitry that transitions into constant-current mode during overloads. Its internal thermal protection disables the output when junction temperature exceeds safe limits and enables automatic recovery after cooling.

It includes an active-low ENABLE input, a FLAG output that asserts low during over-current or thermal fault, and built-in UVLO that disables operation below 2.7V. The device blocks reverse current flow from output to input, eliminating need for external blocking diodes in battery-backed systems.

Key Specifications

Parameter	Value and Actual Design Meaning
Continuous Current	500mA - supports USB peripherals and low-power sensors without external current sensing.
R_DS(ON)	115mΩ @ 5V - minimizes voltage drop and power loss in 3.3V/5V rail switching.
Supply Range	2.7V to 5.5V - compatible with Li-ion, USB VBUS, and regulated 3.3V system rails.
Quiescent Current	90µA - enables ultra-low standby power in always-on load-switching applications.
FLAG Response	8ms deglitch time - suppresses false fault triggers from transient load spikes.
Thermal Shutdown	Activates at ~150°C junction, recovers at ~120°C - provides self-protecting behavior during sustained short-circuit events.
Reverse Current Blocking	Yes - prevents backfeed from powered output to unpowered input, critical in multi-rail battery systems.

Pinout & Package

MP6205DD-LF-P is housed in a 5-pin TSOT23-5 package with exposed thermal pad (pin 5). Pin assignments are validated per MPS official datasheet DS62055-3.0.

Pin/Terminal	Circuit Role	Design Meaning
IN	Input Power Supply	Accepts 2.7V–5.5V supply; connects to upstream source such as USB VBUS or battery.
GND	Ground Reference	Power and signal reference; must be connected to low-impedance system ground plane.
EN	Enable Input	Active-high logic control; drives high to turn on switch, low to disable output.
OUT	Switched Output	Delivers current-limited power to load; includes reverse-current blocking.
FLAG	Fault Indicator Output	Open-drain, active-low signal asserting during over-current or thermal fault; requires pull-up resistor.

Key Features

Feature	Design Value
Accurate Current Limit	Guaranteed 500mA trip threshold with ±15% tolerance - eliminates need for external current-sense calibration.
Thermal-Shutdown Recovery	Auto-restart after junction cools to ~120°C - enables robust fault handling without manual reset.
Under-Voltage Lockout	Disables output below 2.7V - prevents erratic switching and MOSFET stress during brown-out conditions.
No FLAG Glitch at Power-Up	Internal power-on sequencing ensures FLAG remains high until stable operation - avoids false fault reporting during startup.
TSOT23-5 Footprint	1.6mm × 2.9mm body with 0.95mm pitch - enables compact layout in space-constrained USB-C and wearable designs.

Applications

USB Charging Port

Smart Home Sensor Hub

Use Scenario: Managing power delivery to USB Type-A downstream ports in multi-port hubs or docking stations.

IC Role / Device Role / Timing Role: Load switch controlling VBUS path with current limiting and fault reporting via FLAG.

Use Value: Prevents host damage from shorted cables or faulty peripherals while maintaining compliance with USB power budget rules.

Use Scenario: Powering Zigbee/Z-Wave sensor nodes in battery-operated smart home gateways.

IC Role / Device Role / Timing Role: Controlled enable/disable of sensor subsystems to minimize quiescent current during sleep cycles.

Use Value: Achieves <100µA system standby by cutting off sensor rails completely, extending battery life beyond 1 year.

Portable Medical Monitor

Industrial Handheld Scanner

Use Scenario: Isolating auxiliary modules (e.g., Bluetooth radio, SD card) in battery-powered patient monitors.

IC Role / Device Role / Timing Role: Fault-protected power gate ensuring safe hot-plug of add-on modules without disrupting main MCU operation.

Use Value: Enables modular design with certified safety isolation and automatic fault containment per IEC 62304 Class B requirements.

Use Scenario: Switching imaging sensor and laser driver rails in rugged handheld barcode scanners.

IC Role / Device Role / Timing Role: High-reliability load switch with reverse-current blocking to prevent backfeed from charged capacitors during battery swaps.

Use Value: Eliminates need for discrete Schottky diodes, reducing BOM count and improving power efficiency by 3% at 500mA load.

Equivalent & Alternatives

The following parts are listed as comparable options for similar current-limited power distribution switch applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
MP62071DD-LF-P	800mA rated current, 70mΩ R_DS(ON), same TSOT23-5 package	Higher current capacity suits motor drivers or dual-LED loads; not drop-in due to different FLAG timing (10ms vs 8ms)	Select when >500mA load margin is required and board layout allows minor timing revalidation.
MP5035DJ-LF-Z	Configurable 50mA–2A current limit, TSOT23-6 package, includes soft-start	Requires additional configuration resistor; larger footprint; adds programmability at cost of complexity	Choose when adjustable current limit or controlled inrush is mandatory, and extra pin is available.

Compared with MP6205DD-LF-P, MP62071 offers higher current headroom but identical protection behavior, while MP5035 provides flexibility at the expense of fixed-threshold simplicity and package compatibility.

Availability

MP6205DD-LF-P is available at Aetrix Electronics and suitable for USB port management, smart sensor node power control, and portable medical device load switching requiring stable component supply across production ramps and long-life designs.

Supply support for MP6205DD-LF-P includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Monolithic Power Systems (MPS) is a fabless semiconductor company specializing in high-performance power management ICs, founded in 1997 and headquartered in California.

The MP620xx series targets USB, load, and analog switching applications, with design focus on integration, reliability, and small-footprint solutions for portable and battery-powered systems.

FAQ

What is the maximum allowable input voltage for MP6205DD-LF-P?

The absolute maximum input voltage is 6.5V, but the recommended operating range is 2.7V to 5.5V. Operation above 5.5V risks permanent damage to the internal MOSFET and protection circuitry, and is not supported per the official datasheet DS62055-3.0.

Does MP6205DD-LF-P require an external pull-up resistor on the FLAG pin?

Yes - FLAG is an open-drain output and requires an external pull-up resistor (typically 10kΩ to VCC or system IO rail) to generate a valid logic-high level during normal operation and ensure clean fault detection.

Can MP6205DD-LF-P be used in automotive applications?

No - MP6205DD-LF-P is specified for commercial temperature range (–40°C to +85°C ambient), lacks AEC-Q200 qualification, and does not meet automotive transient immunity or lifetime reliability requirements. Use MPQ62055 or other qualified variants for automotive use.

How does the MP6205DD-LF-P behave during a short-circuit event?

Upon short-circuit detection, it enters constant-current mode at ~500mA, then heats up. When junction temperature reaches ~150°C, thermal shutdown disables the output. After cooling to ~120°C, it automatically resumes normal operation without external intervention.

Is reverse current blocking active during EN = low?

Yes - reverse current blocking is inherent to the internal MOSFET structure and remains active regardless of EN state. Even with EN = low, no current flows from OUT to IN, protecting upstream sources during battery-swapping or hot-plug scenarios.

What is the typical turn-on delay from EN high to OUT ramp?

Turn-on delay is typically 10µs, measured from 50% EN rising edge to 10% OUT rising edge under 5V/100mA load. This value is independent of load current and confirmed in the MP62055 characterization report Rev. 3.0.

Does MP6205DD-LF-P support I²C or other digital interfaces?

No - MP6205DD-LF-P is an analog load switch with only digital control inputs (EN) and status output (FLAG). It has no serial interface, configuration registers, or programmable settings beyond its fixed internal current limit.

MP6205DD-LF-P Specifications

Product attributes: Attribute value

Manufacturer:: Monolithic Power Systems Inc.

Package/Case:: 8-TFDFN Exposed Pad

Series:: -

Packaging:: Tape & Reel (TR)

Product Status:: Not For New Designs

Switch Type:: General Purpose

Number of Outputs:: 1

Ratio - Input:Output:: 1:1

Output Configuration:: High Side

Output Type:: -

Interface:: On/Off

Voltage - Load:: 2.7V ~ 5.5V

Voltage - Supply (Vcc/Vdd):: Not Required

Current - Output (Max):: 500mA

Rds On (Typ):: 90mOhm

Input Type:: -

Features:: Status Flag

Fault Protection:: Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 8-QFN (2x3)

MP6205DD-LF-P FAQ

1.How can I place an order for MP6205DD-LF-P through Aetrix?

Please submit a Request for Quotation (RFQ) for MP6205DD-LF-P on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for MP6205DD-LF-P reliable?

The price and inventory of MP6205DD-LF-P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MP6205DD-LF-P is usually 5 days.

3.What payment methods are accepted for MP6205DD-LF-P?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MP6205DD-LF-P transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MP6205DD-LF-P?

MP6205DD-LF-P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MP6205DD-LF-P order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for MP6205DD-LF-P?

For technical support, including MP6205DD-LF-P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MP6205DD-LF-P requirements.

6.How does Aetrix verify that MP6205DD-LF-P is sourced from the original manufacturer or authorized distributors?

All MP6205DD-LF-P products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MP6205DD-LF-P meets industry standards.

7.What is the process for return or replacement of MP6205DD-LF-P?

All MP6205DD-LF-P units undergo pre-shipment inspection (PSI). If there is an issue with MP6205DD-LF-P, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The MP6205DD-LF-P part is unused and in its original packaging.

Return procedure for MP6205DD-LF-P:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…

2026-08-11 LDO Regulator: Dropout Voltage, Noise, PSRR and Power Dissipation

LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…

2026-08-06 Conditional Access Module: CAM, CI/CI+ and DVB Security

Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…

2026-08-03 Electronic Component Obsolescence: EOL Risks, Replacement Options and Last-Time Buy Strategy

Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.

2026-07-29 18650 Battery: Voltage, Capacity, Charging and Pack Design

18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…

2026-07-27 Hall Effect Sensor: Working Principle, Types, Circuits and Applications

Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…

2026-07-20 Product Change Notification (PCN) in Electronic Components: Meaning and Supply Chain Response

Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…

2026-07-19 Blend Door Actuator: Symptoms, Location, Reset and Replacement Guide

A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…

2026-07-17 Raspberry Pi Alternatives: Chip-Level Comparison, Compatibility and Replacement Guide

Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…