IW7039-00-QFN4

Overview

The IW7039-00-QFN4 is a 32-channel internal current sink LED backlighting driver IC manufactured by Renesas Electronics. It supports boost and buck topologies with an adjustable output voltage. The device operates on a power supply ranging from 300 mV to 20 V, delivering up to 66 mA per output. It functions within a frequency range of 44 Hz to 32 kHz and is rated for operating temperatures between -20°C and +85°C.

Feature Summary

• Integrates 32 independent channels for precise LED current control
• Supports both boost and buck converter topologies for flexible power management
• Features internal current sinks for simplified external component requirements

Applications

• LED backlighting drivers
• Display illumination systems

Procurement Notes

Verify availability status as Mouser indicates the part may be limited or special order. Confirm the specific QFN4 package variant matches design requirements. Check RoHS compliance details in the official datasheet. Ensure the supplier provides the genuine Renesas product documentation for validation before integration.

Selection Notes

Select this component when designing multi-channel LED backlighting solutions requiring integrated current sinking. Consider the 300 mV to 20 V input range for low-voltage applications. Verify that the 66 mA output capability meets the specific LED array requirements. Ensure the operating temperature range suits the intended environment.

Part Context

This IC belongs to the IW7039 series of LED lighting drivers. It is designed for high-density display applications where space efficiency and channel count are critical. The QFN4 package offers a compact footprint suitable for modern portable and thin-profile electronic devices.

Replacement Considerations

Consult the official Renesas cross-reference list for verified substitutes. Ensure any replacement maintains the 32-channel configuration and compatible package dimensions. Verify electrical parameter equivalence for voltage and current ratings.