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Product Detailed Parameters
- Description：IC LED DRVR RGLTR PWM 1.2A 8WDFN
- Series：-
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：2.5V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：1.2A (Switch)
- Frequency：1MHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-WFDFN Exposed Pad
- Supplier Device Package：8-WDFN (2x2)
- Grade：-
- Qualification：-
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Overview
The RT9293BGQW is a high-performance synchronous boost LED driver IC from Richtek, designed for compact lighting applications. It operates with an input voltage range of 2.5V to 5.5V and supports PWM dimming control. The device integrates an internal power switch capable of delivering up to 1.2A output current. Housed in an 8-WDFN (2x2) package, it provides efficient step-up regulation for driving white LEDs in space-constrained environments.
Feature Summary
- Integrates a synchronous boost converter topology for high efficiency
- Supports PWM dimming for precise brightness control
- Features a compact 8-WDFN package design
Applications
- White LED backlighting for portable devices
- Compact LED lighting modules
- Battery-powered illumination systems
Procurement Notes
Verify the complete part number including suffixes against official Richtek documentation to ensure correct packaging and temperature grade specifications. Confirm that the 8-WDFN package dimensions align with your PCB footprint requirements. Cross-reference datasheet electrical characteristics with your specific LED string configuration to validate performance under operating conditions.
Selection Notes
Select this component when a small form factor is required for boost-driven LED applications. Ensure the input supply voltage falls within the specified 2.5V to 5.5V range. Verify that the required LED forward voltage exceeds the input voltage to utilize the boost functionality effectively. Consider thermal management capabilities inherent to the WDFN package for your specific power dissipation needs.
Part Context
This device belongs to Richtek's portfolio of LED driver integrated circuits. It is categorized as a DC-DC regulator utilizing step-up topology. The product line focuses on providing efficient power conversion solutions for lighting applications where size and performance are critical constraints.
Replacement Considerations
Consult official manufacturer substitution guides for verified alternatives. Do not assume functional compatibility with other boost converters without verifying pinout, electrical parameters, and control interface specifications.
