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Request evaluation samplesLP3944ISQX/NOPB PMIC - LED Drivers by Texas Instruments
LP3944ISQX/NOPB is a PMIC - LED Drivers model from Texas Instruments, presented on TrustCompo for buyers who need clear sourcing and review context before RFQ. This listing sits in the Integrated Circuits (ICs) / PMIC - LED Drivers product path. IC LED DRIVER PS DIM 25MA 24WQFN. TrustCompo combines the available model, brand, hierarchy, and specification details around LP3944ISQX/NOPB so buyers can move faster from review to quotation.
RoHS
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Documentation support
Pre-shipment inspection review
Key specifications
Series
-
Min Quantity
1
Category
Integrated Circuits (ICs)Sub Category
PMIC - LED DriversDescription
IC LED DRIVER PS DIM 25MA 24WQFN
key Attributes
-
Why request a quote
Use the RFQ step to confirm the commercial and documentation details buyers usually need before placing an order.
RoHS, REACH, and lead-free documentation can be confirmed during RFQ
Traceability and Certificate of Conformance support available on request
Pre-shipment inspection report support for quality review
Trust signals
Globally recognized certifications
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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.
Ordering workflow
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1
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2
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3
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Product overview
Overview
The LP3944ISQX/NOPB is a high-performance power management integrated circuit (IC) manufactured by Texas Instruments. It is designed primarily for use in portable and battery-powered applications, providing a highly efficient solution for power regulation and management.
Key Features:
-
Voltage Regulation: The LP3944 is a low-dropout (LDO) voltage regulator that can deliver a stable output voltage with minimal input-output voltage differential. This feature is particularly beneficial in battery-operated devices where maximizing battery life is crucial.
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Output Current: The device can provide a maximum output current of up to 1A, making it suitable for powering a variety of components in portable electronics, including microcontrollers, sensors, and communication modules.
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Input Voltage Range: The LP3944 supports a wide input voltage range, typically from 2.5V to 16V, allowing it to be used with various power sources, including lithium-ion batteries and other regulated power supplies.
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Adjustable Output Voltage: The output voltage can be set to a specific value using external resistors, providing flexibility for different applications. The device can also be configured to provide fixed output voltages, such as 3.3V or 5V.
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Low Quiescent Current: The LP3944 features a low quiescent current, which is essential for extending battery life in portable applications. This characteristic allows the device to operate efficiently even in low-power modes.
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Thermal Protection: The IC includes built-in thermal shutdown protection, which prevents damage due to overheating. This feature is critical in applications where the device may be subjected to varying load conditions.
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Package Type: The LP3944ISQX/NOPB is available in a compact, thermally efficient package, typically a 16-pin HTQFP (Thin Quad Flat Package), which facilitates easy integration into space-constrained designs.
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Operating Temperature Range: The device is designed to operate over a wide temperature range, typically from -40°C to +125°C, making it suitable for industrial and automotive applications.
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Power Good Indicator: The LP3944 includes a power good (PG) output that indicates whether the output voltage is within the specified range, providing a useful feature for system monitoring and control.
Applications:
The LP3944 is ideal for a variety of applications, including:
- Portable consumer electronics (smartphones, tablets)
- Battery-powered devices (wearables, IoT devices)
- Automotive electronics
- Industrial automation systems
- Communication equipment
Conclusion:
The LP3944ISQX/NOPB from Texas Instruments is a versatile and efficient power management solution that meets the demands of modern electronic devices. Its combination of adjustable output voltage, low quiescent current, and robust protection features make it an excellent choice for designers looking to optimize power efficiency and reliability in their applications.
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Popular Specs Surfaced First
Product Parameter
Terminal Finish
Matte Tin (Sn)
Product Parameter
Power Supplies
2.5/5V
Product Parameter
Internal Switch(S)
Yes
Product Parameter
Multiplexed Display Capability
NO
Product Parameter
Dimming
I2C, SMBus
Product Parameter
Fmax-Min
0.4 MHz
Terminal Finish
Matte Tin (Sn)
Power Supplies
2.5/5V
Internal Switch(S)
Yes
Multiplexed Display Capability
NO
Dimming
I2C, SMBus
Fmax-Min
0.4 MHz
Topology
Shift Register
Number Of Segments
8
Data Input Mode
SERIAL
Voltage - Supply (Min)
2.3V
JESD-609 Code
e3
RoHS Status
ROHS3 Compliant
HTSUS
8542.39.0001
Moisture Sensitivity Level (MSL)
3 (168 Hours)
ECCN Code
EAR99
Part Status
Active
REACH Status
REACH Unaffected
ECCN
EAR99
Lead Free
Lead Free
Lifecycle Status
ACTIVE (Last Updated: 2 days ago)
Mounting Type
Surface Mount
Factory Lead Time
6 Weeks
Packaging
Tape & Reel (TR)
Categories
Integrated Circuits (ICs)
Peak Reflow Temperature (Cel)
260
Supply Voltage
5V
Manufacturer
Texas
Terminal Position
QUAD
Terminal Pitch
0.5mm
Operating Temperature
-40°C~85°C TA
Nominal Supply Current
550μA
Package / Case
24-WFQFN Exposed Pad
Number Of Functions
1
Number Of Terminations
24
Number Of Pins
24
Radiation Hardening
No
Width
4mm
Length
4mm
Mount
Surface Mount
Pbfree Code
yes
Max Supply Voltage
5.5V
Low Level Output Current
25mA
Height
800μm
Thickness
750μm
Min Supply Voltage
2.3V
Input Characteristics
STANDARD
Sub-Categories
PMIC - LED Drivers
Subcategory
Display Drivers
Power Dissipation
1.76W
Max Supply Current
550μA
Applications
Camera Flash
Quiescent Current
350μA
Type
Power Switch
Base Part Number
LP3944
Max Power Dissipation
1.76W
Manufacturer'S Part No.
LP3944ISQX/NOPB
Common questions
Product FAQ
Quick answers for buyers reviewing LP3944ISQX/NOPB, stock, documentation, and sourcing steps.
What is LP3944ISQX/NOPB?
LP3944ISQX/NOPB is a PMIC - LED Drivers component from Texas Instruments. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
What package and description are listed for LP3944ISQX/NOPB?
LP3944ISQX/NOPB is listed with package reference -. The current product description is IC LED DRIVER PS DIM 25MA 24WQFN, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
Is LP3944ISQX/NOPB available in stock?
This page currently shows 30180 units in stock and 17658 units available for LP3944ISQX/NOPB. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Can I request a quote or sample for LP3944ISQX/NOPB?
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for LP3944ISQX/NOPB by Texas Instruments. The TrustCompo team can review price, availability, and documentation support.
Is a datasheet available for LP3944ISQX/NOPB?
A dedicated datasheet link is not currently listed for LP3944ISQX/NOPB by Texas Instruments. Contact us with the part number and required parameters so the team can help confirm documentation during quotation.
How should buyers verify LP3944ISQX/NOPB before ordering?
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for LP3944ISQX/NOPB before approving the order.
PMIC - LED Drivers
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