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LP3958TLX/NOPB is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC LED DRV RGLTR I2C 25USMD. Review the specifications below when checking this part for your BOM.
LED Driver IC specifications for LP3958TLX/NOPB
- Description：IC LED DRV RGLTR I2C 25USMD
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：5
- Voltage - Supply (Min)：3V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：18V
- Current - Output / Channel：1.15A (Switch)
- Frequency：1MHz
- Dimming：I2C
- Applications：Backlight
- Operating Temperature：-30°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：25-WFBGA
- Supplier Device Package：25-uSMD
- Grade：-
- Qualification：-
LED Driver IC datasheet and documents for LP3958TLX/NOPB
LED Driver IC Overview
The LP3958TLX/NOPB is a specialized LED driver integrated circuit manufactured by Texas Instruments. It features a high-efficiency boost converter with programmable output voltage and two individual drivers designed for serial display backlight LEDs. The device supports I2C dimming control and includes an internal switch rated at 1.15A. Packaged in a 25-pin ultra-small QFN (uSMD) format, it operates within a specific temperature range suitable for electronic applications.
LED Driver IC Feature Summary
- Integrates a high-efficiency boost converter with programmable output voltage
- Includes two dedicated drivers optimized for serial display backlight LEDs
- Supports digital control via I2C interface for precise dimming
LED Driver IC Applications
- Stage and studio lighting systems
- Power sources for car audio equipment
- Car navigation system displays
- Electronic toll collection (ETC) system interfaces
- Down light fixtures
LED Driver IC Procurement Notes
Verify the exact part number against official Texas Instruments documentation to ensure compatibility with design requirements. Confirm that the uSMD package dimensions match the PCB footprint specifications. Check for any recent product change notifications or lifecycle status updates from the manufacturer before finalizing procurement plans.
LED Driver IC Selection Notes
Select this component when a compact solution for serial display backlights is required alongside a boost converter. Consider the I2C interface capability if digital control is necessary. Evaluate the 1.15A switch current rating against the specific LED load requirements. Ensure the operating temperature range aligns with the intended application environment.
LED Driver IC Part Context
This part belongs to the LP3958 series of LED drivers from Texas Instruments. It is distinct from other LP series components like the LP3918 or LP8720, which serve different power management functions. The LP3958 is specifically engineered for lighting applications requiring both power conversion and precise LED control in a small form factor.
LED Driver IC Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material. Consult official Texas Instruments resources for potential alternatives.
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