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Product Detailed Parameters
- Description：IC LED DVR PWM CTRL 4CH 20QFN
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：4
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：26V
- Voltage - Output：45V
- Current - Output / Channel：30mA
- Frequency：600kHz, 1.2MHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-VFQFN Exposed Pad
- Supplier Device Package：20-QFN (4x4)
- Grade：-
- Qualification：-
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Overview
The ISL97675IRZ-TK is an LED driver IC manufactured by Renesas Electronics Corporation, designed for backlight applications. It integrates a boost DC-DC converter with four independent output channels capable of delivering up to 30mA per channel. The device supports PWM dimming control and operates within a supply voltage range of 4.5V to 26V, with a maximum output voltage of 45V. It functions at switching frequencies of 600kHz or 1.2MHz and is housed in a 20-QFN (4x4) package.
Feature Summary
- Integrates a high-efficiency boost DC-DC converter topology with internal power switches
- Provides four regulated current output channels for precise LED driving
- Supports digital PWM dimming control for brightness adjustment
Applications
- LCD panel backlighting systems
- Portable electronic display devices
- Automotive infotainment displays
Procurement Notes
Verify component authenticity through authorized distributors as the part status is listed as obsolete. Confirm package integrity and lead-free compliance prior to integration. Cross-reference pinouts with official datasheets to ensure compatibility with existing PCB layouts. Validate thermal performance under intended operating conditions.
Selection Notes
Select this component for designs requiring multi-channel LED regulation with integrated boost conversion. Ensure input voltage ranges align with system power rails. Consider the 20-QFN package constraints for thermal management and board space. Verify that the required dimming frequency falls within the supported operational parameters.
Part Context
This part belongs to the ISL97675 series of LED drivers from Renesas. It is specifically engineered for applications needing multiple regulated outputs from a single boost stage. The series targets cost-sensitive and space-constrained display solutions where integrated power management reduces external component count.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer resources for direct replacements or functional equivalents.
