LP55281TL/NOPB Integrated Circuits (ICs) |
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Allicdata Part #: | LP55281TL/NOPBTR-ND |
Manufacturer Part#: |
LP55281TL/NOPB |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC LED DRIVER RGLTR DIM 36USMD |
More Detail: | LED Driver IC 12 Output DC DC Regulator Step-Up (B... |
DataSheet: | LP55281TL/NOPB Datasheet/PDF |
Quantity: | 2000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | DC DC Regulator |
Topology: | Step-Up (Boost) |
Internal Switch(s): | Yes |
Number of Outputs: | 12 |
Voltage - Supply (Min): | 3V |
Voltage - Supply (Max): | 5.5V |
Voltage - Output: | 4 V ~ 5.3 V |
Current - Output / Channel: | 40mA |
Frequency: | 2MHz |
Dimming: | I²C, SPI |
Applications: | Backlight |
Operating Temperature: | -30°C ~ 85°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | 36-WFBGA |
Supplier Device Package: | 36-uSMD |
Base Part Number: | LP55281 |
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The LP55281TL/NOPB is a stand-alone, triple-channel LED driver from Texas Instruments (TI), ideal for applications where a single chip, wide operating supply voltage, and small package size are key requirements. The LP55281TL/NOPB can be used to drive any combination of up to three LEDs, in any colour, with up to four strings of different outputs possible for each channel. The output current for each channel can be set between 2mA and 16mA, with an external resistor connected to the CTR pin. The LP55281TL/NOPB can be used in automotive, industrial, and consumer applications, such as dashboard indicators, glow keys, LCD backlighting, and other LED light designs.
The LP55281TL/NOPB belongs to the family of PMICs (power management ICs) that are designed to provide efficient, scalable and cost-effective power solutions. Specifically, the LP55281TL/NOPB belongs to the family of PMICs known as LED drivers, which are used to regulate and manage light-emitting diodes (LEDs) from the power of the host device. LED drivers provide the ability to control, dim and program the LEDs for a variety of potential applications.
The working principle of the LP55281TL/NOPB is as follows. An external signal is applied to the driver analog input, which is converted into a digital signal by an internal circuit. This digital signal can be applied to any of the LED channels, allowing for flexible LED control. The signal is then used to adjust the current of the LED, allowing for dynamic LED lighting. The current level of all three channels can be set using the external resistor connected to the CTR pin. The output voltage is adjusted such that the LED current is directly proportional to the signal applied to the analog input, allowing for high precision LED lighting control.
The LP55281TL/NOPB has several features that make it ideal for a range of applications. It offers a wide operating voltage of 2.8V to 3.2V with a voltage source up to 16V. It has an integrated 2X output amplifier with a low 0.1Ω output resistance, as well as a built-in slew rate limiter that can help prevent excessive current inrush. The LP55281TL/NOPB is also able to drive up to 16mA of current per channel, allowing for flexible power management.
The LP55281TL/NOPB has a wide range of applications, including automotive and industrial lighting, LCD backlighting, and LED light designs. In automotive applications, it is ideal for LED indicators, dashboards and for ambient lighting control. It can also be used for industrial lighting, such as machine status indicators and fault lights. In consumer applications, it can be used for LCD backlighting and LED lighting design to produce attractive and efficient lighting effects.Overall, the LP55281TL/NOPB is an ideal LED driver IC for applications where a single chip solution is desired and low power operation is needed. Its wide operating voltage range and adjustable current levels enable a variety of LED intensities and colours to be produced and controlled. This makes it an attractive option for applications ranging from automotive to industrial to consumer LED lighting products.
The specific data is subject to PDF, and the above content is for reference
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