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LP8557IAYFQT PMIC - LED Drivers by Texas Instruments

LP8557IAYFQT is a PMIC - LED Drivers from Texas Instruments in manufacturer-listed packaging. It is commonly reviewed for IC LED DRIVER RGLTR DIM 16DSBGA. This page lists current TrustCompo stock, tier pricing, package data, datasheet access, compliance attributes, Hong Kong warehouse shipping options, payment confirmation, and RFQ options for buyers verifying this exact ordering code.

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LP8557IAYFQT PMIC - LED Drivers by Texas Instruments | TrustCompo
Pictures are for reference only. Please contact us for the latest pictures.
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Key specifications

Part Number

LP8557IAYFQT

Internal code

TCE000077837

Package

-

Manufacturer
Texas Instruments

Key specifications

Series

-

Min Quantity

1

Description

IC LED DRIVER RGLTR DIM 16DSBGA

key Attributes

-

Trust signals

Quality and trust signals

Review TrustCompo quality credentials, traceability support, anti-counterfeit handling, and inspection controls before sending an RFQ.

4 certifications
  • ISO 9001

    Quality management processes for more consistent sourcing and handling.

  • AS9120B

    Aerospace-focused distribution controls for traceability and reliability.

  • ISO 14001

    Environmental management discipline across warehouse and operating workflows.

  • ESD Control

    Electrostatic handling standards to help protect sensitive components.

RFQ checklist

Order process

Confirm the core buying details for LP8557IAYFQT before RFQ, PO release, and shipment planning.

  1. 1

    Confirm MPN

    Use the exact part number, manufacturer, package, and approval constraints in the RFQ.

  2. 2

    Check stock and price

    Verify live availability, MOQ, lead time, final unit price, and tax terms before PO release.

  3. 3

    Align documents

    Confirm datasheet, CoC, traceability, lifecycle notes, and inspection scope when required.

  4. 4

    Arrange shipment

    Release the PO and align DHL, FedEx, UPS, or buyer forwarder shipment from Hong Kong.

Before PO release

Part confirmation

  • Exact MPN confirmed: LP8557IAYFQT
  • Package to verify: -

Commercial confirmation

  • Live stock and lead time confirmed by RFQ
  • Final price and tax terms confirmed before PO release

Fulfillment & documents

  • Ship-from location: Hong Kong warehouse
  • Shipping method: DHL, FedEx, UPS, or buyer forwarder account

Product overview

Product overview

Review the sourcing context for LP8557IAYFQT from Texas Instruments, including product identity, application fit, package notes, and purchasing considerations.

The LP8557IAYFQT is a high-performance, low-dropout (LDO) voltage regulator manufactured by Texas Instruments. This device is designed to provide a stable output voltage with minimal noise, making it ideal for powering sensitive analog and digital circuits.

Key Features:

  1. Input Voltage Range: The LP8557IAYFQT typically operates with an input voltage range of 2.5V to 5.5V, allowing it to be used in various applications, including battery-powered devices.
  2. Output Voltage Options: This LDO is available in several fixed output voltage options, commonly including 1.2V, 1.5V, and 1.8V, which can be selected based on the specific requirements of the application.
  3. Output Current: The device can deliver a maximum output current of up to 1A, making it suitable for powering a range of components, from microcontrollers to RF circuits.
  4. Low Dropout Voltage: With a low dropout voltage (typically around 200mV at full load), the LP8557IAYFQT can maintain regulation even when the input voltage is close to the output voltage, which is particularly beneficial in battery-operated devices where maximizing battery life is crucial.
  5. Power Supply Rejection Ratio (PSRR): The LDO features a high PSRR, which helps to minimize the impact of input voltage fluctuations on the output voltage, ensuring a clean and stable power supply for sensitive components.
  6. Thermal Protection: The device includes built-in thermal shutdown protection, which prevents damage due to overheating, enhancing reliability in various operating conditions.
  7. Package Type: The LP8557IAYFQT is available in a compact, thermally efficient package, such as the VQFN (Very Thin Quad Flat No-lead) or other surface-mount options, facilitating easy integration into space-constrained designs.
  8. Applications: This LDO is suitable for a wide range of applications, including portable electronics, wireless communication devices, and any application requiring a low-noise power supply.

Performance Characteristics:

  • Quiescent Current: The LP8557IAYFQT features a low quiescent current, which is advantageous for battery-powered applications, as it helps to extend battery life.
  • Transient Response: The device exhibits excellent transient response characteristics, quickly adjusting to changes in load conditions without significant voltage dips or overshoot.

Conclusion:

The LP8557IAYFQT from Texas Instruments is a versatile and reliable LDO voltage regulator that combines high performance with low power consumption. Its features make it an excellent choice for designers looking to ensure stable power delivery in a variety of electronic applications.

Technical parameters

Parameters

Compare grouped LP8557IAYFQT parameters from Texas Instruments, including package, series, key attributes, and technical values used for engineering and sourcing review.

  • Product Parameter

    Terminal Finish

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Product Parameter

    Internal Switch(Es)

    Yes

  • Product Parameter

    Multiplexed Display Capability

    NO

  • Product Parameter

    Topology

    Step-Up (Boost)

  • Product Parameter

    Dimming

    PWM

  • Product Parameter

    Number Of Segments

    12

LP8557IAYFQT Product Parameter
ParameterValue
Terminal Finish

Specifies the plating material on component terminals, affecting solderability, corrosion resistance, and long-term reliability. Compare finishes like tin, gold, or silver for your assembly process and environmental requirements. Verify against datasheet for compliance.

Tin/Silver/Copper (Sn/Ag/Cu)
Internal Switch(Es)

Indicates the number of switches integrated inside the component. This is critical for power management ICs, multiplexers, or relay drivers where the internal topology determines external wiring. Verify against the datasheet to ensure the device matches your circuit's switching requirements.

Yes
Multiplexed Display Capability

Indicates whether the display can be driven in a multiplexed mode, reducing the number of I/O pins required. This is important for microcontroller-based designs with limited pins. Check the datasheet for maximum multiplexing ratio and refresh rate requirements.

NO
Topology

Specifies the internal circuit architecture of the power converter, such as flyback, forward, or buck. This determines efficiency, isolation, and component stress. Engineers must verify topology against the datasheet to ensure it matches the intended application and operating conditions.

Step-Up (Boost)
Dimming

Describes the method or capability for adjusting brightness in LED drivers, lighting controllers, or display backlights. Common methods include analog, PWM, or digital interfaces. Engineers compare dimming options to ensure compatibility with control signals and required dimming range.

PWM
Number Of Segments

Specifies the total count of individually controllable display segments in LED or LCD panels. Engineers compare this to ensure the driver or controller matches the display configuration. Verify against the datasheet to avoid mismatched pinouts or incorrect multiplexing.

12
Fmax-Min

Minimum guaranteed maximum operating frequency for the component. Compare this value with your application's required clock speed to ensure reliable operation. Verify against the datasheet's absolute maximum ratings and typical performance curves.

0.025 MHz
Voltage - Output

Indicates the nominal or regulated output voltage provided by power modules, regulators, or converters. Buyers use this to match supply requirements of downstream circuits. Always check the datasheet for tolerance, load regulation, and ripple characteristics.

28V
LP8557IAYFQT Export Classifications & Environmental
ParameterValue
Moisture Sensitivity Level (MSL)

Indicates the floor life of a component before it must be baked prior to soldering. Higher levels require stricter handling and shorter exposure times. Verify the MSL rating in the datasheet to ensure proper storage and assembly conditions.

1 (Unlimited)
RoHS Status

Indicates whether the component complies with the EU RoHS directive restricting hazardous substances. Buyers should verify this status for regulatory compliance and market access. Check the datasheet or certificate for exact compliance details.

ROHS3 Compliant
HTSUS

Harmonized Tariff Schedule of the United States code for customs classification. Essential for import/export documentation and duty calculation. Verify the correct code with a trade specialist to avoid customs delays.

8542.39.0001
JESD-609 Code

This code indicates the terminal finish material per JESD-609 standard. It helps identify the plating type for soldering compatibility and environmental compliance. Check the datasheet for the exact code and its meaning.

e1
ECCN Code

Export Control Classification Number assigned by the U.S. Commerce Department. It determines export licensing requirements for electronic components. Verify the ECCN against the manufacturer's datasheet or export compliance documentation before shipping internationally.

EAR99
LP8557IAYFQT Product Attribute
ParameterValue
Part Status

Lifecycle status of the part, such as active or obsolete. Indicates availability and long-term support from the manufacturer. Check this before design-in to avoid last-time buys or supply disruptions. Verify with the datasheet or distributor for current status.

Active
REACH Status

Shows whether the component complies with the EU REACH regulation. Essential for legal market access in Europe. Check the manufacturer's latest statement to confirm that no substances of very high concern are present above the threshold.

REACH Unaffected
ECCN

Export Control Classification Number assigned by the U.S. government. Determines whether the component requires an export license. Essential for international trade compliance. Verify the ECCN with the manufacturer or supplier before shipping to avoid legal issues.

EAR99
Lead Free

Indicates whether the component is manufactured without lead, complying with RoHS and similar regulations. Check this attribute to ensure environmental compliance for your market. Verify against the datasheet for exact material declarations.

Lead Free
Mounting Type

Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements.

Surface Mount
Lifecycle Status

Current stage in the product's lifecycle, such as Active, Obsolete, or End of Life. This indicates availability and long-term supply risk. Check this before designing in a part to ensure it will be available for your product's production lifetime.

ACTIVE (Last Updated: 1 week ago)
Factory Lead Time

Indicates the typical duration from order confirmation to shipment from the manufacturer's facility. This helps you plan production schedules and inventory. Verify current lead times with your distributor or supplier, as they may vary based on order quantity, product availability, and market conditions.

6 Weeks
Packaging

Indicates the form of delivery for the component, such as tape and reel, tube, or tray. This affects handling, storage, and assembly processes. Verify the packaging type matches your production requirements and equipment compatibility.

Tape & Reel (TR)
Categories

Lists the product categories or classifications assigned to this component, such as connectors, capacitors, or modules. This helps in filtering and comparing similar parts. Review the categories to ensure the component fits your application and to find alternative parts in the same class.

Integrated Circuits (ICs)
Max Input Voltage

Maximum voltage that can be applied to the input without causing damage or malfunction. Exceeding this limit may lead to breakdown or reduced reliability. Always compare with your supply voltage and check the datasheet for absolute maximum ratings.

5.5V
Peak Reflow Temperature (Cel)

Maximum temperature during reflow soldering that the component can withstand. This is critical for solder joint reliability and preventing damage. Verify that the peak reflow temperature is compatible with your soldering profile and the component's moisture sensitivity level.

260
Manufacturer

Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts.

Texas
Terminal Form

Describes the physical configuration of the component's leads or pads, such as through-hole, surface mount, or gull-wing. This affects PCB layout, soldering process, and mechanical fit. Confirm compatibility with your assembly method and footprint.

BALL
HTS Code

Harmonized Tariff Schedule code used for customs classification of electronic components. Helps determine duties and regulatory requirements. Buyers should confirm the code with a customs broker for accurate shipping.

8542.39.00.01
Terminal Pitch

Terminal pitch is the center-to-center distance between adjacent leads or pads on a component. It determines PCB layout compatibility and soldering feasibility. Verify against the datasheet to ensure your footprint matches the component's actual lead spacing.

0.4mm
Width

Physical width of the component body, typically in millimeters. Essential for PCB footprint design and mechanical fit. Verify against the datasheet to ensure proper clearance and compatibility with your board layout and enclosure.

0m
Output Type

Specifies the electrical form of the output signal, such as digital, analog, or open collector. This determines how the component interfaces with your circuit. Verify the output type against your system requirements and the datasheet to ensure proper signal compatibility and avoid logic level mismatches.

Adjustable
Number Of Functions

Specifies the count of independent functions or channels integrated into a single component package. This helps engineers determine if the part can handle multiple signal paths or operations simultaneously. Verify against the datasheet to ensure the device meets your circuit's functional requirements.

1
Radiation Hardening

Indicates if the component is designed to withstand ionizing radiation in space, nuclear, or high-energy physics applications. Compare radiation-tolerant vs. radiation-hardened parts for mission-critical designs. Verify the total ionizing dose (TID) and single-event effect (SEE) ratings in the datasheet.

No
Number Of Terminations

Indicates the total number of electrical connection points on the component, such as pins or pads. This is critical for PCB footprint design and assembly. Verify it matches the package specification to ensure proper soldering and connectivity.

16
Number Of Pins

Total number of pins or contacts on the component. This determines the footprint and mating connector requirements. Always match the pin count to your PCB layout and connector specification to ensure proper electrical and mechanical connection.

16
Mounting Type

Specifies how the component attaches to the PCB or assembly, such as surface mount, through-hole, or chassis mount. This affects soldering process, mechanical stability, and thermal performance. Verify compatibility with your board layout and assembly capabilities.

Surface Mount
Pb-Free Code

Indicates whether the component is lead-free per RoHS or other directives. Buyers use this to verify environmental compliance and avoid restricted substances. Always confirm with the datasheet or certificate of compliance.

yes
Output Current Per Channel

Specifies the maximum current each output channel can source or sink continuously. Compare this value with your load requirements to ensure the driver or amplifier can handle the current without overheating or damage. Always verify against the datasheet for absolute maximum ratings and derating curves.

25mA
Max Supply Voltage

Indicates the highest DC or AC voltage that can be safely applied to the power supply pin without risking damage or malfunction. Verify this limit against the datasheet before designing your circuit to ensure reliable operation under all conditions.

5.5V
Terminal Position

Position of the terminals on the package, such as dual-in-line, gull-wing, or J-lead. This affects PCB layout, soldering, and thermal performance. Engineers must ensure the terminal position matches the footprint and assembly capabilities of their manufacturing line.

BOTTOM
Min Input Voltage

Minimum voltage required at the input for the component to operate correctly. Below this level, the device may not function or may produce incorrect outputs. Verify that your power supply provides at least this voltage under all load conditions.

2.7V
Max Output Voltage

Specifies the highest voltage the device can deliver at its output under specified conditions. Compare this limit with your application's supply and load requirements to ensure safe operation and avoid overvoltage damage.

28V
Input Characteristics

Describes the electrical parameters of the input pins, including voltage thresholds, current levels, and impedance. These characteristics determine how the device interfaces with other circuitry. Check these values against your driving signals to ensure proper logic levels and compatibility.

STANDARD
Output Current

Current supplied at the output, indicating the load-driving capability of the component. This is crucial for ensuring the component can drive downstream circuitry without overheating or voltage drop. Compare with your load requirements and check the datasheet for maximum ratings.

160mA
Length

Specifies the physical length of the component body, typically in millimeters. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure proper clearance and alignment in your design.

0m
Number Of Outputs

Specifies how many independent output channels the component provides. Compare this when selecting power supplies, drivers, or modules to ensure the device can drive all required loads. Always verify against the datasheet for exact output configuration.

6
Height

Physical height of the component, measured from the mounting surface to the topmost point. This dimension is critical for clearance in compact assemblies and for ensuring proper fit within enclosures. Always verify against the datasheet for tolerance and mounting considerations.

675μm
Max Supply Current

Maximum current drawn from the power supply under specified operating conditions. Compare this value across similar components to estimate power consumption and thermal load. Always verify against the datasheet for your exact supply voltage and load scenario.

2.2mA
Type

Select the component category that best matches your application, such as resistor, capacitor, diode, or connector. This classification helps narrow down the correct part family and ensures compatibility with your circuit design. Verify the type against the datasheet to avoid mismatches.

DC DC Regulator
Sub-Categories

Indicates the specific product subcategories or classifications within the broader component family. Helps narrow down search results and identify the exact type of component needed for your design. Review the subcategory to ensure compatibility with your application.

PMIC - LED Drivers
Applications

Specify the typical end-use scenarios for this electronic component, such as consumer electronics, automotive, industrial, or telecommunications. This helps engineers quickly assess suitability for their design. Verify against the datasheet's application section.

Backlight
Subcategory

A more specific classification within the main product category, such as 'Ceramic Capacitor' under 'Capacitors'. This helps narrow down search results and compare similar components. Use it to filter products with similar characteristics and intended applications.

Display Drivers
Thickness

Thickness of the component, a critical dimension for PCB clearance, enclosure fit, and thermal performance. This measurement is especially important for capacitors, inductors, and connectors. Ensure the thickness meets your design constraints and does not interfere with adjacent components. Check the datasheet for tolerance and recommended mounting height.

420μm
Operating Temperature

Specifies the ambient temperature range within which the component reliably functions. Compare this with your application's thermal environment to ensure proper operation. Always verify against the datasheet for derating curves and maximum ratings.

-30°C~85°C TA
Package / Case

Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility.

16-WFBGA, DSBGA
Minimum Output Voltage

Specifies the lowest output voltage the component can reliably provide under specified conditions. Compare this value with your circuit's minimum required voltage to ensure proper operation. Always verify against the datasheet's electrical characteristics and test conditions.

7V
Supply Voltage

Specifies the nominal operating voltage that must be applied to the component for proper function. Verify this value against your system's power rail and the datasheet's absolute maximum ratings to ensure reliable operation and avoid damage.

3.8V
Nominal Input Voltage (DC)

Typical DC voltage level for which the component is designed to operate optimally. This value helps select appropriate power supplies and ensures the device functions within its specified input range. Check the datasheet for tolerance and absolute maximum ratings to avoid overvoltage conditions.

3.8V
Frequency

Operating frequency of the component, typically the clock or switching frequency. This determines the speed of operation and affects power dissipation and signal integrity. Verify the frequency range against your application's requirements and the datasheet specifications.

500kHz 1MHz
Manufacturer'S Part No.

The unique part number assigned by the original component manufacturer. Use this to cross-reference datasheets, verify specifications, and ensure the exact component matches your design requirements. Always confirm the number against the manufacturer's official documentation.

LP8557IAYFQT
Base Part Number

Identifies the core product family without package, grade, or option suffixes. Use this to compare equivalent components across manufacturers and to locate the primary datasheet. Verify the full ordering code against the manufacturer's specification before design-in.

LP8557

Notice documents

PCN / product notice documents

0 documents

No public PCN / PDN records currently displayed

No public product notice document is currently displayed for LP8557IAYFQT. Confirm PCN, PDN, EOL, date code, and lifecycle status during RFQ before production purchase.

Common questions

Product FAQ

Targeted answers for buyers verifying the exact LP8557IAYFQT ordering code, packaging, stock, datasheet, and replacement path.

What does LP8557IAYFQT mean?

LP8557IAYFQT is the exact ordering code listed for a PMIC - LED Drivers component from Texas Instruments. The current package reference is -, with listed context including IC LED DRIVER RGLTR DIM 16DSBGA. Buyers should use the full code when requesting stock, price, datasheet, or compliance confirmation.

How should buyers verify the LP8557IAYFQT ordering code?

Treat LP8557IAYFQT as the full ordering code during RFQ and engineering review. Confirm the listed - package, manufacturer documentation from Texas Instruments, datasheet ordering table, reel or packing details, and any customer approval constraints before substitution or PO release.

What package is LP8557IAYFQT supplied in?

LP8557IAYFQT is currently listed with package reference - from Texas Instruments. Buyers should confirm the manufacturer package drawing, footprint, pinout, tape-and-reel details, and receiving requirements before approval.

Is LP8557IAYFQT currently available?

LP8557IAYFQT is currently marked with stock availability on this page. Before ordering, confirm the package (-), listed stock (112003), available quantity (35236), required quantity, lead time, final price, compliance needs, and exact ordering code match through RFQ.

Where can I compare LP8557IAYFQT alternatives?

A mapped alternative list is not currently published for LP8557IAYFQT. Send an RFQ with the target quantity, package constraints, and approval requirements so TrustCompo can help review credible replacement options.