| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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54,788 pcs
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54788 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The Texas Instruments LP55231SQX is a versatile 9-channel LED driver designed for RGB and White LED applications. It incorporates internal program memory and an adaptive high-efficiency fractional charge pump, achieving up to 94% efficiency.
This device provides 25.5 mA of constant current per channel with 8-bit resolution for current setting and 12-bit resolution for PWM control. It operates from an input voltage range of 2.7V to 5.5V and features a low shutdown current of 0.2 µA typical. The LP55231SQX supports analog/PWM mixed dimming, current control, and power-save modes, making it suitable for various lighting applications.
Key features include three independent program execution engines, overcurrent and short-circuit protection, and a built-in LED test function. The device communicates via a two-wire I2C-compatible control interface. It is housed in a WQFN package, measuring 4 mm × 4 mm, and is designed for surface mounting.
With its programmable lighting engines and flexible instruction set, the LP55231SQX is well-suited for applications requiring dynamic and precise LED control, such as backlighting, illumination, and LED displays.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.20 | $0.20 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The LP55231SQX has 9 channels.
The maximum LED current per channel is 25.5 mA.
The input voltage range is from 2.7 V to 5.5 V.
The LP55231SQX uses a charge pump topology.
Yes, the LP55231SQX supports programmable ramp control.
The operating temperature range is -30°C to 85°C.
The LP55231SQX is available in a WQFN package.