LC5545LD

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LED drivers are one of the most prime products from the PMIC (Power Management IC) family. ICs like the LC5545LD, can help reduce costs and energy utilization by providing highly efficient headsink for LEDs. It also comes with a few essential components, making it a highly efficient and cost-effective solution for driving LED lights.

The LED driver IC LC5545LD is a 10-channel LED driver IC. It is offered in four different models – LC5545LDTV06, LC5545LDTV05, LC5545LDTV04, and LC5545LDTV03. The IC has PWM (pulse width modulated) and current regulation dimming ranges that allow 8-bit grayscale. It is ideally used when the maximum output current per channel needs to be controlled.

The LC5545LD’s application field includes in cluster lamps and LED backlight applications, LED signs and displays, LED lighting systems, LED decorative lights, and LED lighting fixtures. Its wide range of applications can be attributed to the multiple current regulation settings and PWM dimming options.

The working principle of the IC is similarly interesting. The IC is designed with a 900mV to 1000mV output voltage higher than the average threshold voltage of the linked LED. This enables the forward voltage to be automatically regulated and any fluctuation in the output voltage will be quickly regulated as well. The IC is easy to implement as the X-pin goes to ground, the Y-pin to VCC, and the W-Pin – to the voltage of the series resistors. This helps in ensuring the dimming of LEDs is regulated in the best possible manner.

The LC5545LD comes with a few additional features as well. These include the low on resistance, the tolerance limits of 6-kiloohm (±1-kiloohm for a typical value), the low power consumption and the low noise. Combined, these features reduce the power losses and offer an overall cost-efficient solution.

Overall, the LC5545LD is a highly efficient and cost-effective LED driver IC. It is a great solution for multiple applications involving LED lights and its features make it stand ahead of its competition easily. It is a reliable product that can help customers achieve their desired illumination goals.

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