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LP55231SQE

The Texas Instruments LP55231SQE is a 9-channel RGB and White LED driver featuring internal program memory and an integrated charge pump. It offers I2C control and programmable lighting engines.

✓ Total Stock: 51,657 pcs

$ Price Range: $0.20

LP55231SQE Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Romaks Technologies ✓ Non-Authorised Inventory information	51,657 pcs On Request	51657 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

LP55231SQE Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Texas Instruments
Control Interface	I2C
Features	Analog/PWM mixed dimming, Constant current, Current control, I2C control, Power-save mode, Programmable lighting engines
Lead Style	No Lead
Number of Channels	9
Operating Temperature Range	-30 to 85 °C
Topology	Charge pump

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LP55231SQE Description

Short technical summary and product information.

The Texas Instruments LP55231SQE is a versatile 9-channel LED driver designed for RGB and White LED applications. It integrates internal program memory and a charge pump, enabling efficient operation with up to 94% efficiency for the charge pump and 93% for LED drive.

This device supports a wide input voltage range from 2.7V to 5.5V, with each channel capable of delivering up to 25.5 mA of constant current. It features analog/PWM mixed dimming, current control, and I2C communication for flexible control. The integrated programmable lighting engines allow for complex lighting sequences.

The LP55231SQE operates within a temperature range of -30°C to 85°C and comes in a compact WQFN package measuring 4mm x 4mm. Its low shutdown and standby currents make it suitable for power-sensitive applications. The driver includes built-in protection features such as overcurrent and short-circuit protection.

LP55231SQE Quick Information

Product Type: LED Driver

Canonical Name: Texas Instruments LP55231SQE Nine-Channel RGB, White-LED Driver With Internal Program Memory and Integrated Charge Pump

Subcategory: RGB LED Drivers

LP55231SQE Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

LP55231SQE Estimated Pricing

Qty	Low	High
1+	$0.20	$0.20

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

LP55231SQE Features

Nine-channel RGB and White LED driver.
Internal program memory and charge pump.
Up to 94% charge pump efficiency.
I2C compatible control interface.
Wide input voltage range (2.7V to 5.5V).

LP55231SQE Applications

Ideal for RGB lighting applications.
Suitable for white LED illumination.
Used in portable electronic devices.
Enables programmable lighting effects.
Efficient power management for LEDs.

LP55231SQE FAQs

6 frequently asked questions generated from this part’s specifications.

How many channels does the LP55231SQE LED driver have?

The LP55231SQE has 9 channels.

What is the maximum LED current per channel for the LP55231SQE?

The maximum LED current per channel is 25.5 mA.

What is the input voltage range for the LP55231SQE?

The input voltage range is from 2.7V to 5.5V.

What type of control interface does the LP55231SQE use?

The LP55231SQE uses an I2C compatible control interface.

What is the operating temperature range of the LP55231SQE?

The operating temperature range is -30°C to 85°C.

What is the package type for the LP55231SQE?

The package type is WQFN.