LM3432SQE Texas Instruments In Stock
LM3432SQE is a high-efficiency LED backlight driver IC by Texas Instruments, designed for large-panel LCD displays. Key specs: supports up to 6 LED strings, integrated boost controller with PWM dimming. Available in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Drives up to 6 independent LED strings for large-panel LCD backlighting
- Integrated boost DC/DC controller for high-efficiency power conversion
- PWM and analog dimming support for precise brightness control
- Adaptive voltage control minimizes power dissipation across LED strings
- SQE package (thermal pad QFN) for excellent heat dissipation in compact designs
Applications
LM3432SQE is widely used in large-panel LCD TV and monitor backlighting systems where multiple LED strings must be driven with high efficiency and uniform current. It is also applied in industrial display systems and high-brightness signage requiring stable LED current regulation and flexible dimming control.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the LM3432SQE used for?
The LM3432SQE is a multi-string LED backlight driver IC from Texas Instruments, primarily used to drive multiple LED strings in large-panel LCD televisions, monitors, and industrial displays. It integrates a boost DC/DC controller to efficiently power LED arrays with precise current matching across all strings.
How many LED strings can the LM3432SQE drive?
The LM3432SQE supports up to 6 independent LED strings. Each string is regulated with individual current sinks to ensure uniform brightness and current matching, which is critical for high-quality LCD backlighting applications.
What dimming methods does the LM3432SQE support?
The LM3432SQE supports both PWM dimming and analog dimming. PWM dimming allows precise brightness control by modulating the duty cycle of the LED current, while analog dimming adjusts the LED current level directly, giving designers flexibility for different display requirements.
What package does the LM3432SQE come in?
The LM3432SQE is available in a thermally enhanced QFN package (SQE designation) with an exposed thermal pad, which helps dissipate heat efficiently in compact PCB layouts typical of flat-panel display designs.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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