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Name: STMPS2151STR
Brand: STMicroelectronics
SKU: STMPS2151STR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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STMicroelectronics STMPS2151STR

Part No.:: STMPS2151STR

Manufacturer:: STMicroelectronics

Package:: SOT-23-5

Datasheet:: STMPS2151STR.pdf

Description:: IC PWR SWITCH N-CHAN 1:1 SOT23-5

In Stock:: 3492

Quantity:: Add To Cart

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STMPS2151STR Specifications

Package/Case:
SOT-23-5
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
SwitchType:
General Purpose
NumberofOutputs:
1
Ratio-Input:Output:
1:1
OutputConfiguration:
High Side
OutputType:
N-Channel
Interface:
On/Off
Voltage-Load:
2.7V ~ 5.5V
Voltage-Supply(Vcc/Vdd):
Not Required
Current-Output(Max):
500mA
RdsOn(Typ):
90mOhm
InputType:
Non-Inverting
Features:
-
FaultProtection:
Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
OperatingTemperature:
-40°C ~ 125°C (TJ)
MountingType:
Surface Mount

STMPS2151STR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including STMPS2151STR price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for STMPS2151STR to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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STMPS2151STR information

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STMPS2151STR Typical application Circuitry

STMPS2151STR

The STMPS2151STR is a power distribution switch, specifically designed for applications that require controlled power delivery with overcurrent protection. It is commonly used in electronic devices to manage power efficiently and safely.

Application Scenarios

1. USB Power Management: Ideal for controlling power in USB hubs and individual ports.

2. Portable Electronic Devices: Used in smartphones, tablets, and other portable devices for internal power management.

3. Overcurrent Protection Circuits: Provides overcurrent protection in various consumer electronic products.

Parameter Features:

- Current Limiting: Provides accurate current limitation to guard against situations when an overcurrent occurs.

- Low R_DS(ON): has a low on-resistance, which reduces power loss and guarantees effective functioning.

- Quick Reaction: Provides increased safety by reacting quickly to overcurrent and short-circuit situations.

- Operating Voltage Range: Adaptable to a broad spectrum of operating voltages, ideal for a variety of uses.

Circuit Design Example: USB Hub Power Management

Objective: Utilize the STMPS2151STR in a USB hub for controlled power distribution and overcurrent protection.

Circuit Description and Components:

1. Power Source Connection:

- Connect the power source (5V typical for USB) to the Input (Vin, Pin 1) of the STMPS2151STR.

- Ensure the power source can handle the USB hub's maximum power requirements.

2. Controlled Power Output to USB Ports:

- Connect the Output (Vout, Pin 4) to the power lines of the USB ports in the hub.

- This configuration ensures each port receives controlled and protected power.

3. Enable Pin Functionality:

- The Enable (EN, Pin 2) pin can be connected to a logic signal or directly to the input voltage for continuous operation.

- Logic control of this pin allows for dynamic power management of the USB ports.

4. Fault Reporting:

- Connect the Fault (Fault, Pin 3) output to a microcontroller or indicator LED to signal when an overcurrent event occurs.

- This feature is crucial for diagnostic purposes and user notification.

Design Considerations:

- Voltage Matching: The input voltage should be within the operating range of the STMPS2151STR.

- Load Current Calculation: Calculate the total current draw of the connected USB devices to ensure it doesn't exceed the chip's current limit.

- Additional Circuit Protection: Depending on the application, consider adding more protection features like transient voltage suppressors (TVS).

- PCB Layout for Heat Dissipation: Design the PCB to manage heat effectively, especially if the hub will support high-current USB devices.

In summary, the STMPS2151STR power distribution switch is a key component in applications like USB hub power management, providing controlled power delivery with overcurrent protection. Designing circuits with this IC involves careful attention to input voltage, load current requirements, additional protection mechanisms, and effective PCB layout to manage heat, ensuring safe and efficient power distribution in electronic devices.

STMPS2151STR FAQ

1. How to order STMPS2151STR on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

2. How does icwhale.com guarantee that STMPS2151STR is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the STMPS2151STR. All suppliers must pass our qualification reviews before they can publish their products including STMPS2151STR on icwhale.com; we pay more attention to the channels and quality of STMPS2151STR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the STMPS2151STR price and inventory displayed accurate?

The price and inventory of STMPS2151STR fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of STMPS2151STR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the STMPS2151STR we delivered, we will accept the replacement or return of the STMPS2151STR only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of STMPS2151STR.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations