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Product Detailed Parameters
- Description：IC LED DRIVER LINEAR PWM 48WQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Bulk
- Type：Linear
- Topology：Shift Register
- Internal Switch(s)：No
- Number of Outputs：6
- Voltage - Supply (Min)：12V
- Voltage - Supply (Max)：95V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：1MHz
- Dimming：Analog, PWM
- Applications：Lighting
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：48-WFQFN Exposed Pad
- Supplier Device Package：48-WQFN (7x7)
- Grade：-
- Qualification：-
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Overview
The LM3463SQX/NOPB is a six-channel high-voltage constant current LED driver from Texas Instruments. It supports boost and buck topologies with an adjustable output voltage up to 95 V. The device delivers up to 6 A of output current and operates within a switching frequency range of 900 kHz to 1.15 MHz. It functions on a single supply voltage between 12 V and 95 V. The component is housed in a WQFN-48 package and is rated for operation across a temperature range of -40 °C to +125 °C.
Feature Summary
- Integrates six independent constant current channels for multi-string LED applications
- Supports flexible power stage configurations including both boost and buck topologies
- Features programmable switching frequency to optimize external component size and efficiency
Applications
- High-voltage LED lighting systems
- Industrial illumination fixtures
- Automotive exterior lighting modules
Procurement Notes
Verify the specific suffix 'X' against the manufacturer's official documentation to confirm tape-and-reel packaging specifications. Ensure that the ordering part number matches the exact pinout and thermal pad configuration required by the target PCB design. Cross-reference the RoHS compliance status directly with the latest datasheet revision to guarantee regulatory adherence for the intended market.
Selection Notes
Select this component when designing circuits requiring multiple independent LED strings driven from a high-voltage source. The integrated boost and buck capabilities allow adaptation to various input voltage levels relative to the LED forward voltage requirements. Consider the thermal performance of the WQFN-48 package and ensure adequate copper area for heat dissipation under maximum load conditions.
Part Context
This part belongs to the LM3463 series of LED drivers, designed for high-power applications. The 'SQ' designation typically indicates automotive-grade qualification or specific reliability standards, while 'NOPB' confirms lead-free and halogen-free construction. The 'X' suffix denotes reel packaging, distinguishing it from tube-packaged variants within the same functional family.
