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Product Detailed Parameters
- Description：IC LED DRVR RGLTR SGL WR 12TDFN
- Series：-
- Mfr：onsemi
- Package：Bulk
- Type：DC DC Regulator
- Topology：Switched Capacitor (Charge Pump)
- Internal Switch(s)：No
- Number of Outputs：4
- Voltage - Supply (Min)：3V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：7V
- Current - Output / Channel：31mA
- Frequency：1MHz
- Dimming：Single-Wire
- Applications：Backlight, Camera Flash
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：12-WFDFN Exposed Pad
- Supplier Device Package：12-TDFN (3x3)
- Grade：-
- Qualification：-
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Overview
The CAT3614HV2G-T2 is a four-channel LED driver IC from onsemi, designed for white backlight applications. It utilizes a charge pump topology to drive LEDs efficiently. The device operates within an input voltage range of 3 V to 5.5 V and supports I2C interface control. It is housed in a compact 12-TDFN package with exposed pad, suitable for space-constrained designs.
Feature Summary
- Four independent output channels for precise LED current regulation
- Integrated charge pump for efficient high-voltage LED driving
- I2C serial interface for programmable control and dimming
- Compact 12-TDFN package for minimal board space utilization
Applications
- White backlight drivers for LCD panels
- Portable electronic device displays
- Internal lighting systems in consumer electronics
Procurement Notes
Verify the specific suffix 'G' indicates RoHS compliance status as per manufacturer documentation. Confirm the T2 tape and reel packaging quantity matches project requirements. Ensure the 12-TDFN footprint aligns with PCB design guidelines. Cross-reference the latest datasheet revision for any pinout or electrical characteristic updates before finalizing procurement.
Selection Notes
Select this component when four-channel LED control with I2C interface is required. The integrated charge pump eliminates external inductors, simplifying design. Verify that the operating voltage range of 3 V to 5.5 V suits the system power supply. Consider the thermal performance of the TDFN package for the expected current load.
Part Context
This part belongs to the CAT3614 series of LED drivers from onsemi. It is specifically engineered for backlighting applications requiring multiple channels. The HV variant suggests optimized performance for higher voltage LED strings compared to standard variants.
Replacement Considerations
Check for direct pin-to-pin replacements within the same series. Verify functional compatibility regarding channel count and interface protocol. Ensure electrical parameters such as input voltage and output current capabilities match the original design specifications.
