RT4533GJ6

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RT4533GJ6

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IC LED DRVR RGLTR PWM TSOT23-6

  • メーカーリッチテックUSA株式会社

  • メーカー品番 #RT4533GJ6

  • 在庫状況6329

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性 値
Part Status Active
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 36.5V
Current - Output / Channel 1.2A (Switch)
Frequency 1.1MHz
Dimming PWM
Applications Backlight
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case SOT-23-6 Thin, TSOT-23-6
Supplier Device Package TSOT-23-6
Base Product Number RT4533

概要

Description

The RT4533GJ6 is a highly integrated LED driver typically used for backlighting applications in portable devices such as smartphones and tablets. It is designed by Richtek and is known for its efficiency and compact design. The driver operates with a wide input voltage range and supports up to six LEDs in series. It features a high-frequency switching boost converter, allowing for a reduced size of external components.
The RT4533GJ6 offers features like PWM and analog dimming, enabling flexible control of LED brightness. It also includes protections such as over-voltage, over-current, and short-circuit protection to enhance reliability and safety during operation.
Its small package size makes it suitable for space-constrained applications. Overall, the RT4533GJ6 is favored in the electronics industry for its balance of performance, efficiency, and size, making it a suitable choice for modern LED backlighting needs.

Equivalent

The RT4533GJ6 is a LED driver IC commonly used for backlighting applications. Equivalent products could include other LED driver ICs with similar specifications. Some alternatives might be the TPS61165 or TPS61169 from Texas Instruments, the AAT1230 from AnalogicTech, or the CAT4238 from ON Semiconductor. Always ensure that the electrical specifications and package types match your application's requirements when selecting an equivalent component.

Features

The RT4533GJ6 is a high-efficiency, dual-output, boost white LED driver typically used in backlighting applications. Key features include:
1. Dual Output Channels: Capable of driving two strings of LEDs, making it suitable for applications requiring multiple LED arrays.
2. Wide Input Voltage Range: Operates efficiently over a wide input voltage range, enhancing its compatibility with various power sources.
3. High Efficiency: Designed to maximize power efficiency, which helps in reducing energy consumption and heat generation.
4. Adjustable Current Regulation: Provides precision in controlling the LED current, allowing for consistent brightness and extended LED lifespan.
5. Protection Features: Includes built-in safeguards like over-voltage protection, over-temperature protection, and short-circuit protection to ensure reliability and longevity.
6. Compact Package: The device is available in a small form factor, making it ideal for space-constrained applications.
7. PWM Dimming Support: Allows for pulse-width modulation (PWM) dimming, enabling flexible control over brightness levels.
These features make the RT4533GJ6 suitable for various applications, including portable devices, LCD backlighting, and other LED lighting systems.

Pinout

The RT4533GJ6 is a 6-pin integrated circuit designed for LED driver applications. It typically functions as a WLED driver for backlighting in portable devices. Here’s a concise summary of its pin count and functions:
1. Pin Count: 6 pins.
2. Pin Functions:
- Pin 1 (SW): Switch pin connected to the inductor.
- Pin 2 (GND): Ground pin, used for device grounding.
- Pin 3 (FB): Feedback pin for controlling the LED current.
- Pin 4 (EN): Enable pin for turning the device on or off.
- Pin 5 (VIN): Supply voltage input pin.
- Pin 6 (OVP): Over-voltage protection pin to prevent damage from excess voltage.
These pins collectively aid in managing and driving white LEDs with high efficiency, offering protection features and maintaining brightness stability.

Manufacturer

The RT4533GJ6 is manufactured by Richtek Technology Corporation. Richtek is a company that specializes in designing and building power management integrated circuits (ICs). They provide a wide range of power management solutions for various applications, including consumer electronics, computers, and industrial products. Richtek is known for its innovation in power management technology, helping to enhance the efficiency and performance of electronic devices.

Application

The RT4533GJ6 is typically used in applications that require efficient power management for LED backlighting. It is commonly found in portable devices such as smartphones, tablets, and digital cameras, where it regulates and drives multiple LEDs to ensure consistent brightness and performance. The device is valued for its compact design, making it suitable for space-constrained applications. Additionally, it offers features like high efficiency, low power consumption, and flexibility in adjusting LED brightness, making it ideal for enhancing display clarity and user experience in various consumer electronics.

Package

The RT4533GJ6 is typically available in a WLCSP (Wafer-Level Chip Scale Package) type, which is a compact packaging solution often used for integrated circuits, allowing for reduced footprint and improved performance in electronic devices.

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