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Product Detailed Parameters
- Description：IC LED DRV RGLTR I2C 20TQFN
- Series：-
- Mfr：MaxLinear, Inc.
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：Switched Capacitor (Charge Pump)
- Internal Switch(s)：Yes
- Number of Outputs：2
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：2.15A (Flash)
- Frequency：2.4MHz
- Dimming：I2C
- Applications：Camera Flash, Lighting
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-WFQFN Exposed Pad
- Supplier Device Package：20-TQFN (4x4)
- Grade：-
- Qualification：-
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Overview
The XRP6840BILBTR-F is a controlled-current dual-cell supercapacitor charger and high-power LED driver manufactured by MaxLinear. It integrates two independent LED driver channels capable of delivering up to 4.3A per channel for flash applications, with a continuous current rating of 2.15A. The device operates on an input voltage range of 2.7V to 5.5V and supports I2C digital dimming control. Packaged in a 20-TQFN (4x4) format, it functions within a temperature range of -40°C to +125°C.
Feature Summary
- Integrates dual high-power LED driver channels with integrated supercapacitor charging capability
- Supports digital brightness regulation via I2C interface
- Designed for high-current flash LED applications
Applications
- Smartphone camera flash systems
- Mobile device illumination modules
- Supercapacitor-based lighting power management
Procurement Notes
Verify component authenticity through authorized distribution channels due to end-of-life status. Confirm package integrity and moisture sensitivity levels prior to assembly. Cross-reference datasheet revisions to ensure compatibility with existing design specifications. Validate electrical parameters against original requirements before integration.
Selection Notes
Select this component for designs requiring dual-channel high-current LED driving with integrated energy storage management. Ensure the system input voltage remains within the specified 2.7V to 5.5V range. Verify that the PCB layout accommodates the thermal requirements of the 20-TQFN package during high-current operation.
Part Context
This part belongs to the XRP6840 series of specialized PMICs designed for mobile imaging applications. It combines power management and LED driving functions into a single solution, reducing component count and board space compared to discrete implementations.
Replacement Considerations
The manufacturer has listed this product as End-of-Life. Evaluate alternative LED drivers from the same family or compatible successors that maintain similar pinouts and electrical characteristics.
