
PCA9955BTWJ Integrated Circuits (ICs) |
|
Allicdata Part #: | 568-12427-2-ND |
Manufacturer Part#: |
PCA9955BTWJ |
Price: | $ 3.52 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | NXP USA Inc |
Short Description: | IC LED DRIVER LIN DIM 28HTSSOP |
More Detail: | LED Driver IC 16 Output Linear 65mA 28-HTSSOP |
DataSheet: | ![]() |
Quantity: | 20000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
1 +: | $ 3.52083 |
10 +: | $ 3.05139 |
100 +: | $ 2.46458 |
1000 +: | $ 2.34722 |
10000 +: | $ 2.22986 |
Specifications
Voltage - Supply (Max): | 5.5V |
Supplier Device Package: | 28-HTSSOP |
Package / Case: | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 85°C (TA) |
Applications: | Backlight |
Dimming: | -- |
Frequency: | -- |
Current - Output / Channel: | 65mA |
Voltage - Output: | -- |
Series: | -- |
Voltage - Supply (Min): | 3V |
Number of Outputs: | 16 |
Internal Switch(s): | Yes |
Topology: | -- |
Type: | Linear |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tape & Reel (TR) |
Description
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PCA9955BTWJ Application Field and Working Principle
Introduction
PCA9955BTWJ is a high-performance, low-power, long-life, three-channel LED display driver. The chip integrates the functions of reset, backlight dimming, MCU–PCA device communication, and display mode changing, which makes it suitable for applications in a variety of industries. In particular, the design of this chip has enabled it to decrease the power consumption of MCU to a great extent and make it a popular choice for user applications.Applications
PCA9955BTWJ is an LED display driver for applications such as LED signs, LED luminaries and LED lighting systems. It is highly recommend for expert LED lighting designers due to its high-performance, low-power, and long-life. The chip’s three-channel LED drive voltage driving ability, data display control and dimming management makes it extremely suitable for RGB LED displays. The backlight dimming control support also helps to make it suitable for pixel/scanning displays in interactive systems such as industrial controls, navigation systems, etc.Working Principle
The working principle of PCA9955BTWJ is based on the voltage driving ability and data management. It basically consists of three main stages- reset, backlight dimming, and MCU-PCA device communication. The reset stage is responsible for loading the initial values into the PCA9955BTWJ registers. In the backlight dimming stage, the backlight dimming control signal is connected to the chip with the help of a pulse-width modulation signal. This helps control the LED brightness. The MCU-PCA communication stage enables communication between the MCU and the device. Here, in addition to loading data to the device, the display modes can also be changed.Conclusion
PCA9955BTWJ is a versatile and high-performance LED display driver. It can be used to drive RGB LEDs, as well as control the backlight brightness. Moreover, its long-life and low-power operation make it suitable for various applications, such as LED signs and lighting systems. PCA9955BTWJ is a great choice for expert LED lighting designers.The specific data is subject to PDF, and the above content is for reference
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