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LP55281RL/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 36DSBGA. Review the specifications below when checking this part for your BOM.
LED Driver IC specifications for LP55281RL/NOPB
- Description：IC LED DRV RGLTR I2C 36DSBGA
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：12
- Voltage - Supply (Min)：3V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：4V ~ 5.3V
- Current - Output / Channel：40mA
- Frequency：2MHz
- Dimming：I2C, SPI
- Applications：Backlight
- Operating Temperature：-30°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：36-WFBGA, DSBGA
- Supplier Device Package：36-DSBGA (3.5x3.24)
- Grade：-
- Qualification：-
LED Driver IC datasheet and documents for LP55281RL/NOPB
LED Driver IC Overview
The LP55281RL/NOPB is a quad RGB LED driver IC designed for handheld devices, featuring 12 outputs to drive four RGB LED sets and one fun-light LED. It integrates a boost converter with a maximum output voltage of 5.3 V and an output current capability of 300 mA. The device operates on a supply voltage range of 3 V to 5.5 V at a switching frequency of 2 MHz. It supports SPI and I2C interfaces for control and is housed in a 36-DSBGA package. The operational temperature range spans from -30°C to +85°C.
LED Driver IC Feature Summary
- Integrates a quadruple RGB LED driver architecture capable of controlling four RGB LED sets and a single fun-light LED channel.
LED Driver IC Applications
- Handheld devices requiring multi-channel RGB lighting control
LED Driver IC Procurement Notes
Verify component status as the LP55281RL/NOPB is listed as obsolete and no longer manufactured by Texas Instruments. Confirm availability through authorized distributors or secondary markets if sourcing is required. Ensure compatibility with existing system designs before procurement due to end-of-life status.
LED Driver IC Selection Notes
Select this component only if legacy design compatibility is mandatory. Evaluate alternative active parts within the LP55281 family, such as the LP55281TL/NOPB, which may offer similar functionality with current manufacturing support. Assess long-term supply chain stability given the obsolete classification.
LED Driver IC Part Context
This part belongs to the LP55281 series of LED drivers from Texas Instruments. It is specifically engineered for portable electronics where space efficiency and high-density LED control are critical. The DSBGA-36 package provides a compact footprint suitable for mobile applications.
LED Driver IC Replacement Considerations
The LP55281TL/NOPB is identified as a direct substitute part number for the LP55281RL/NOPB. Verify pinout and electrical specifications match before substitution.
LED Driver IC FAQ
What is the maximum output current per channel?
The device supports an output current of up to 300 mA.
Which communication interfaces are supported?
The LP55281RL/NOPB supports both SPI and I2C interfaces for configuration and control.
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