RT4501WSC [RICHTEK]

Name: RT4501WSC
Brand: RICHTEK
SKU: RT4501WSC
Availability: InStock

Part No:

RT4501WSC

Interface ICs

Manufacturer:

RICHTEK

Description:

The RT4501/A is a high-efficiency LED driver for backlight applications. An asynchronous boost converter with an internal Schottky diode and a current source driver are designed to support 6LED/channel with wide input voltage range from 2.5V to 5.5V.

RoHS Status:

Datasheet:

Stock Status:

Available for RFQ

Pricing:

Request Volume Pricing

Quote Response:

Within 24 Hours

Shipping:

In-stock parts ship in 1–2 business days

Specification

Type

Parameter

ESD Hbm

2kV

Power Dissipation

Junction Temperature

-40°C ~ +125°C

Operating Temperature

-40°C ~ +85°C

Supply Voltage

2.5V ~ 5.5V

Package

WL-CSP-10B 0.87x2.07 (BSC)

RoHS Status

RoHS Compliant

RoHS Status

RoHS Compliant

Current Accuracy

±5%

Current Matching

±3%

ESD Mm

200V

Efficiency

Products Detail

The RT4501/A is a high-efficiency LED driver featuring an asynchronous boost converter with internal Schottky diode and current source driver. It supports up to 7 WLEDs in 2 strings with I2C control for brightness dimming (256 steps linear current regulation) and external PWM/pulse dimming (128 steps). The device includes protection functions such as UVLO, OVP, OCP, and OTP, with programmable OVP thresholds of 16V/25.5V. It operates from 2.5V to 5.5V input, offers up to 85% efficiency, and is available in WL-CSP-10B package.

Key Features

Input Voltage Range: 2.5V to 5.5V, Internal Schottky Diode, Fast-speed mode I2C Compatible Interface, Drive Up to 7 WLEDs in 2 String, External PWM/Pulse Brightness Control, 550k/1.1MHz Switching Frequency, Built-in Internal Soft-Start, PWM Dimming/Pulse Dimming Resolution 256/128 Steps, I2C Programmable 256 Steps Linear Current Regulation, Up to 85% Efficiency with Small Magnetics, Programmable 16V/25.5V OVP, Current Accuracy ±5% and Current Balance ±3%, UVLO, OVP, OCP, OTP Protection, Shutdown Current: < 1μA, Temperature Range: -40°C to 85°C, RoHS Compliant and Halogen Free

Application scenarios

Cellular Phones
Digital Cameras
PDAs and Smart Phones
Portable Instruments

Documents

Datasheets:

RT4501(A)

Product FAQ

1. Is RT4501WSC available for RFQ?

Yes. RT4501WSC by RICHTEK is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

2. Why is there no fixed price for RT4501WSC?

Pricing for RT4501WSC can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

3. What are the key specifications of RT4501WSC?

RT4501WSC is a RICHTEK Interface ICs with Package Thermal Resistance: 99.6°C/W and Thermal Shutdown Threshold: 150°C. Review the product details or submit an RFQ if you need confirmation before purchase.

4. How fast can I get a quote for RT4501WSC?

Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

5. How soon can RT4501WSC be shipped?

If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

6. Can you suggest alternatives to RT4501WSC?

Yes. If RT4501WSC is unavailable, obsolete, or does not meet your required lead time, we can help check similar RICHTEK Interface ICs parts or compatible alternatives.

RFQ

Part Number:

RT4501WSC

Manufacturer:

RICHTEK

Looking for Pricing? Contact us for volume pricing.

Shipping & Warranty

Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)

Unishop Global Export: 1-7 days, $40.00

Guaranteed Delivery: Door-to-door in 30 days

Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.

Feature

IMPORTANT NOTICE

Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.