PCA9550DP,118

Voltage - Output:	--
Base Part Number:	PCA9550
Supplier Device Package:	8-TSSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	--
Dimming:	I²C
Frequency:	400kHz
Current - Output / Channel:	25mA
Series:	--
Voltage - Supply (Max):	5.5V
Voltage - Supply (Min):	2.3V
Number of Outputs:	2
Internal Switch(s):	Yes
Topology:	--
Type:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

PCA9550DP,118 is a PMIC-LED Drivers designed and manufactured by NXP Semiconductor that is ideal for low-power applications. It is a dual channel LED driver capable of driving two strings of individually addressable LEDs with a maximum current of 250mA per string. These drivers are designed primarily for use in automotive applications, and automotive-style single-cell, low-voltage applications. The PCA9550DP,118 is optimized for use with low-power components and provides low power dissipation while still delivering high performance.

Features & Benefits

The PCA9550DP,118 offers numerous advantages to the user, including:

• Low power dissipation
• Low current consumption
• Compact size
• High performance
• A wide operating input voltage range
• Dual channel LED driver for two strings of individually addressable LEDs
• Wide range of features, including PWM dimming, adjustable blanking time, and current-limit protection
• Wide variety of connections and hardware eases the design in process

The PCA9550DP,118 is fully compliant with the PCA9550x industry standards, ensuring compatibility with other devices. Furthermore, certification of the device by NXP guarantees that it is reliable and will perform as expected in any situation.

Applications

The PCA9550DP,118 is designed specifically for automotive applications and automotive-style single-cell, low-voltage applications. These applications include automotive dashboard lighting, backlight dimming, instrument cluster lighting, and lighting control in automotive interior and exterior applications. The device can also be used in other applications, such as personal computers, medical devices, LCD televisions, and general lighting applications.

Working Principle

The PCA9550DP,118 utilizes a dual channel design, with each channel capable of driving two strings of individually addressable LEDs. This allows for greater flexibility, as each LED can be controlled independently with its own brightness, color, and pattern. The device is capable of delivering a maximum current of 250mA per string, allowing it to power up to 20 LEDs. The device has a wide operating input voltage range of between 1.6V and 16V, allowing it to be used in a variety of power sources. The PCA9550DP,118 also offers a wide range of features, including PWM dimming, adjustable blanking time, current-limit protection, and improved EMI compliance. Additionally, it has a wide variety of connections and hardware, making it easy to design and use. Furthermore, the device is compliant with the PCA9550x industry standards, ensuring compatibility with other devices.

Conclusion

The PCA9550DP,118 is an ideal LED driver for automotive applications, as well as other low-power applications. Its low power dissipation and current consumption, in combination with its wide range of features, make it a versatile and reliable solution. Additionally, its wide variety of connections and support for the PCA9550x industry standards make it easy to use in any situation.

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