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Name: MP1542DK-LF-Z
Brand: Monolithic Power Systems Inc.
SKU: MP1542DK-LF-Z
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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Monolithic Power Systems Inc. MP1542DK-LF-Z

Part No.:: MP1542DK-LF-Z

Manufacturer:: Monolithic Power Systems Inc.

Package:: 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Datasheet:: MP1542DK-LF-Z.pdf

Description:: IC REG BOOST ADJUSTABLE 2A 8MSOP

In Stock:: 4176

Quantity:: Add To Cart

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MP1542DK-LF-Z Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Function:
Step-Up
OutputConfiguration:
Positive
Topology:
Boost
OutputType:
Adjustable
NumberofOutputs:
1
Voltage-Input(Min):
2.5V
Voltage-Input(Max):
22V
Voltage-Output(Min/Fixed):
3V
Voltage-Output(Max):
22V
Current-Output:
2A (Switch)
Frequency-Switching:
1.3MHz
SynchronousRectifier:
No
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

MP1542DK-LF-Z this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MP1542DK-LF-Z 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 MP1542DK-LF-Z 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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MP1542DK-LF-Z information

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MP1542DK-LF-Z Typical application Circuitry

MP1542DK-LF-Z

The MP1542DK-LF-Z is a monolithic step-up switch-mode converter with a built-in power MOSFET. It is designed to drive LEDs with a constant current, and it is highly efficient in converting voltage.

Core Characteristics: MP1542DK-LF-Z possesses internal features that make it compact and highly efficient, with a switching frequency of up to 1.3MHz. It has a built-in power MOSFET which simplifies the process of designing compact circuits.

Applicational Flexibility: This chip is prominently used in applications that involve driving LEDs within a regulated current range. It's also suitable for battery-powered applications due to its low start-up voltage.

Specific Attributes: MP1542DK-LF-Z can start up from an input voltage as low as 2.7V, and it is capable of achieving an output voltage up to 24V, making it a versatile choice for various applications.

Application Scenario - LED Driving Circuit

1. Power Source Connection:

- Power Supply: Pin 1 (VIN) is to be connected to the power source. Given its low start-up voltage, it can be effectively powered by a two-cell alkaline battery.

- Capacitor Incorporation: The inclusion of a bypass capacitor close to Pin 1 is crucial to stabilize the input power supply and filter out noise.

2. LED Connection:

- LED Integration: The LEDs are to be connected to Pin 3 (SW). It's important to ensure that the LEDs' total forward voltage does not exceed the maximum allowable output voltage of the MP1542DK-LF-Z.

- Current Setting: A current-setting resistor is placed on Pin 4 (ISET) to set the LED current according to the equation provided in the datasheet.

3. Output Voltage:

- Capacitor Placement: An output capacitor is connected to Pin 3 (SW) to smoothen the output voltage waveform and minimize the ripple.

- Voltage Monitoring: Ensure that the output voltage does not exceed 24V to prevent potential damage to the MP1542DK-LF-Z or the LEDs.

4. Ground Connection:

- System Ground: Pin 2 (GND) should be connected securely to the system ground to ensure the circuit's stable operation.

- Heat Dissipation: Considering that this pin also acts as a heat sink, ensuring a solid connection aids in heat dissipation.

Critical Design Aspects

1. Component Quality:

- Component Selection: The quality of the capacitors and resistors connected to the MP1542DK-LF-Z can directly impact the performance and efficiency of the LED driving circuit.

- Tolerance Consideration: Choosing components with low tolerance values ensures more consistent and reliable circuit performance.

2. Thermal Management:

- Heat Reduction: Developing an efficient mechanism for heat reduction is essential, given that excessive heat can degrade the performance of the MP1542DK-LF-Z and the LEDs.

- PCB Design: Optimizing the PCB design to facilitate heat dissipation is pivotal, especially in compact and enclosed designs.

3. Safety and Compliance:

- Circuit Protection: Incorporating features like over-temperature and over-voltage protection can prevent potential damage to the MP1542DK-LF-Z and connected components.

- Regulatory Adherence: Ensuring that the circuit design adheres to the applicable standards and regulations guarantees safety and reliability.

Executing these steps with precision assures the optimal utility of the MP1542DK-LF-Z in driving LEDs with efficiency and reliability.

MP1542DK-LF-Z FAQ

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We have a professional and experienced quality control team to strictly verify and test the MP1542DK-LF-Z. All suppliers must pass our qualification reviews before they can publish their products including MP1542DK-LF-Z on icwhale.com; we pay more attention to the channels and quality of MP1542DK-LF-Z products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the MP1542DK-LF-Z price and inventory displayed accurate?

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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 MP1542DK-LF-Z?

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 MP1542DK-LF-Z we delivered, we will accept the replacement or return of the MP1542DK-LF-Z 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 MP1542DK-LF-Z.

(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