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Product Detailed Parameters
- Description：IC LED DRVR RGLTR PWM TSOT23-8
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：2.6V
- Voltage - Supply (Max)：13.2V
- Voltage - Output：18V
- Current - Output / Channel：500mA
- Frequency：1MHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-8 Thin, TSOT-23-8
- Supplier Device Package：TSOT-23-8
- Grade：-
- Qualification：-
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Overview
The EL7513IWTZ-T7A is a constant current boost regulator IC manufactured by Renesas Electronics Corporation, designed specifically for driving white LEDs. It supports driving up to four LEDs in series. The device operates with a TSOT23-8 package and features PWM regulation for light intensity control. As an obsolete component, it was utilized in applications requiring efficient step-up voltage conversion for LED illumination.
Feature Summary
- Constant current boost regulation architecture optimized for white LED driving
- Supports series connection of up to four white LEDs
- Integrates PWM dimming capability for adjustable light intensity
Applications
- White LED backlighting systems
- Portable device illumination circuits
- General LED lighting modules
Procurement Notes
Verify obsolescence status before procurement planning. Confirm availability through authorized distributors or surplus channels. Ensure compatibility with existing design constraints due to end-of-life classification. Review datasheet specifications thoroughly to validate performance requirements against legacy component capabilities.
Selection Notes
Select this component only if the application specifically requires its legacy boost topology and TSOT23-8 form factor. Evaluate alternative modern LED drivers for improved efficiency and availability. Consider system-level redesign if supply chain stability is critical, as this part is no longer in active production.
Part Context
This part belongs to the EL7513 family of LED drivers from Renesas. It serves as a specialized solution for boosting voltage to drive multiple series-connected white LEDs. The device integrates necessary control logic for constant current regulation within a compact surface-mount package suitable for space-constrained electronic designs.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Due to the obsolete status, engineers should consult Renesas technical support or search for functionally equivalent modern LED boost regulators with compatible pinouts and electrical characteristics.
