ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC LED DRIVER CTRLR PWM 14SOP
- Series：-
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Controller
- Topology：Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：4.5V
- Voltage - Supply (Max)：36V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：350kHz
- Dimming：Analog, PWM
- Applications：Backlight, Lighting
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：14-SOP
- Grade：-
- Qualification：-
Download product information
Overview
The RT8475GS is an LED driver controller manufactured by Richtek USA Inc., designed for high-performance lighting applications. It operates as a DC-DC controller supporting both buck and boost topologies, enabling flexible LED string configurations. The device accepts a supply voltage range from 4.5V to 36V and functions with an internal switching frequency of 350kHz. It supports both analog and PWM dimming methods for precise brightness control. Housed in a 14-SOP package, it is rated for junction temperatures between -40°C and 125°C.
Feature Summary
- Supports buck and boost converter topologies for versatile LED drive configurations
- Enables precise brightness regulation through combined analog and PWM dimming capabilities
- Operates within a wide input voltage range suitable for various power sources
Applications
- LED backlighting systems
- General solid-state lighting fixtures
- Automotive interior illumination
Procurement Notes
Verify component authenticity through authorized distributors or the manufacturer directly. Confirm that the specific order matches the exact part number RT8475GS, including suffixes, as variations may exist. Check current availability status, as this item may be subject to discontinuation notices. Ensure compliance with relevant environmental regulations such as RoHS requirements before integration into final products.
Selection Notes
Select this component when designing circuits requiring independent control of buck or boost stages for LED strings. It is appropriate for applications needing wide input voltage tolerance and dual-mode dimming support. Consider the 14-SOP package constraints for thermal management and PCB layout. Evaluate system requirements against the specified operating temperature range and switching frequency limitations.
Part Context
This IC belongs to the RT8475 family of LED drivers from Richtek. It is specifically engineered for driving LEDs in scenarios where standard linear or fixed-topology solutions are insufficient. The device integrates control logic for external power switches, distinguishing it from fully integrated driver ICs with built-in MOSFETs.
Replacement Considerations
Public records indicate the RT8475GS has reached end-of-life status. Designers should consult official replacement guides or contact the manufacturer for qualified alternative components that maintain pin compatibility and electrical performance specifications.
