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Request evaluation samplesLP3943ISQX/NOPB PMIC - LED Drivers by Texas Instruments
LP3943ISQX/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 LP3943ISQX/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
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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 LP3943ISQX/NOPB is a highly integrated power management IC (PMIC) designed by Texas Instruments, primarily used for powering various portable and battery-operated devices. This device is particularly well-suited for applications requiring efficient power management, such as smartphones, tablets, and other handheld electronics.
Key Features:
-
Input Voltage Range: The LP3943 operates over a wide input voltage range, typically from 2.5V to 5.5V, making it versatile for different power sources.
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Output Voltage: It provides a regulated output voltage, which can be set to various levels depending on the application requirements. The output voltage is adjustable, allowing for flexibility in design.
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Low Quiescent Current: One of the standout features of the LP3943 is its low quiescent current, which is crucial for battery-powered applications. This helps extend battery life by minimizing power consumption when the device is in standby mode.
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Integrated LDOs: The device includes multiple low-dropout regulators (LDOs), which provide stable output voltages with minimal dropout, ensuring efficient power delivery even when the input voltage is close to the output voltage.
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Power Good Indicator: The LP3943 features a power good (PG) output that indicates whether the output voltage is within the specified range. This feature is essential for system monitoring and can help prevent damage to sensitive components.
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Thermal Protection: The IC is equipped with thermal shutdown protection, which safeguards the device from overheating, ensuring reliable operation under varying load conditions.
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Compact Package: The LP3943 is available in a small, space-saving package (typically a QFN or TSSOP), making it suitable for compact designs where board space is at a premium.
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High Efficiency: The device is designed for high efficiency, which is critical for reducing heat generation and improving overall system performance.
Applications:
The LP3943 is ideal for a variety of applications, including:
- Portable consumer electronics (smartphones, tablets)
- Wearable devices
- Battery-powered equipment
- IoT devices
- Automotive applications
Conclusion:
Overall, the LP3943ISQX/NOPB from Texas Instruments is a robust and efficient power management solution that offers flexibility, low power consumption, and reliable performance for modern electronic devices. Its combination of features makes it a popular choice among engineers looking to optimize power management in their designs.
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Popular Specs Surfaced First
Product Attribute
Part Status
Active
Product Attribute
REACH Status
REACH Unaffected
Product Attribute
ECCN
EAR99
Product Attribute
Lead Free
Lead Free
Product Attribute
Lifecycle Status
ACTIVE (Last Updated: 2 days ago)
Product Attribute
Mounting Type
Surface Mount
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
12 Weeks
Packaging
Tape & Reel (TR)
Categories
Integrated Circuits (ICs)
Peak Reflow Temperature (Cel)
260
Manufacturer
Texas
Terminal Position
QUAD
Terminal Pitch
0.5mm
Operating Temperature
-40°C~85°C TA
Supply Voltage
3V
Nominal Supply Current
550μA
HTS Code
8542.39.00.01
Max Power Dissipation
400mW
Package / Case
24-WFQFN Exposed Pad
Number Of Functions
1
Number Of Terminations
24
Number Of Pins
24
Contact Plating
Tin
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
Power Dissipation
400mW
Min Supply Voltage
2.3V
Input Characteristics
STANDARD
Sub-Categories
PMIC - LED Drivers
Subcategory
Display Drivers
Output Characteristics
OPEN-DRAIN
Max Supply Current
550μA
Applications
Camera Flash
Base Part Number
LP3943
Quiescent Current
350μA
Type
Power Switch
Feature
I2C
Manufacturer'S Part No.
LP3943ISQX/NOPB
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
16
Data Input Mode
SERIAL
Voltage - Supply (Min)
2.3V
JESD-609 Code
e3
Moisture Sensitivity Level (MSL)
1 (Unlimited)
RoHS Status
ROHS3 Compliant
HTSUS
8542.39.0001
ECCN Code
EAR99
Common questions
Product FAQ
Quick answers for buyers reviewing LP3943ISQX/NOPB, stock, documentation, and sourcing steps.
What is LP3943ISQX/NOPB?
LP3943ISQX/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 LP3943ISQX/NOPB?
LP3943ISQX/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 LP3943ISQX/NOPB available in stock?
This page currently shows 75888 units in stock and 86452 units available for LP3943ISQX/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 LP3943ISQX/NOPB?
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for LP3943ISQX/NOPB by Texas Instruments. The TrustCompo team can review price, availability, and documentation support.
Is a datasheet available for LP3943ISQX/NOPB?
A dedicated datasheet link is not currently listed for LP3943ISQX/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 LP3943ISQX/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 LP3943ISQX/NOPB before approving the order.
PMIC - LED Drivers
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