WS2801SO The WS2801SO is a 3-channel constant current LED driver from WORLDSEMI, designed for LED displays and lighting systems. It features programmable PWM outputs and supports cascading.
Mfr Part #:

WS2801SO

Available from 1 distributors
Mfr Name: Worldsemi
Worldsemi
The WS2801SO is a 3-channel constant current LED driver from WORLDSEMI, designed for LED displays and lighting systems. It features programmable PWM outputs and supports cascading.
✓ Total Stock: 2,462 pcs
$ Price Range: $0.20

WS2801SO Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,462 pcs
2462 pcs On Request 1 On Request On Request 20+ On Request On Request

WS2801SO Specifications Quick View

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WS2801SO Description

Short technical summary and product information.

The WS2801SO by WORLDSEMI is a versatile 3-channel constant current LED driver suitable for indoor/outdoor LED displays and decorative lighting. It is designed for LED cascading applications, allowing for scalable lighting solutions.

 

This LED driver offers programmable constant LED drive current within a wide range of 5mA to 150mA per channel. It incorporates a built-in PWM dimming scheme for each output channel, supporting free-run operation and making it ideal for low-cost controller applications. The device also features PWM free-run capability with a refresh rate of 2.5KHz.

 

Key electrical features include support for both constant voltage and constant current drive modes, output polarity reverse function, and hot swap support. The WS2801SO can handle a maximum input clock frequency of 25MHz and includes buffers for cascading data and clock signals to the next driver.

 

Packaged in a 14-pin DIP or SOP configuration, the WS2801SO is designed for ease of integration into various electronic systems. Its robust feature set makes it a reliable choice for applications requiring precise LED current control and dimming.

WS2801SO Quick Information

Product Type: LED Driver
Canonical Name: WS2801SO 3-Channel Constant Current LED Driver
Subcategory: LED Drivers

WS2801SO Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

WS2801SO Estimated Pricing

Qty Low High
1+ $0.20 $0.20

Estimated market price range - modelled values for guidance only, not live distributor offers.

WS2801SO Features

  • 3-channel constant current LED driver.
  • Programmable constant LED drive current.
  • Wide output current range 5-150mA.
  • Built-in PWM dimming scheme.
  • Supports cascading data and clock.

WS2801SO Applications

  • Ideal for LED displays.
  • Suitable for decorative LED lighting.
  • Designed for LED cascading applications.
  • Low-cost controller applications.

WS2801SO FAQs

7 frequently asked questions generated from this part’s specifications.
What is the WS2801SO LED driver?

The WS2801SO is a 3-channel constant current LED driver designed for LED displays and decorative lighting systems, supporting LED cascading applications.

How many output channels does the WS2801SO have?

The WS2801SO has 3 output channels.

What is the maximum constant current per channel for the WS2801SO?

Each channel of the WS2801SO can drive a constant current up to 30mA.

What is the programmable constant LED drive current range for the WS2801SO?

The WS2801SO offers a wide constant output current range from 5mA to 150mA.

Does the WS2801SO support PWM dimming?

Yes, the WS2801SO has a built-in PWM dimming scheme for each output channel.

What is the maximum input clock frequency for the WS2801SO?

The maximum input clock frequency supported by the WS2801SO is 25MHz.

What package types are available for the WS2801SO?

The WS2801SO is available in DIP and SOP 14-pin packages.

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