AL5809-40QP1-7

Voltage - Output:	60V
Supplier Device Package:	PowerDI™ 123
Package / Case:	POWERDI®123
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	Automotive
Dimming:	PWM
Frequency:	--
Current - Output / Channel:	40mA
Series:	Automotive, AEC-Q100
Voltage - Supply (Max):	60V
Voltage - Supply (Min):	2.5V
Number of Outputs:	1
Internal Switch(s):	Yes
Topology:	--
Type:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC-LED Drivers

LEDs (Light Emitting Diodes) are more popular than ever due to their robust construction, low power consumption and long life. LEDs are used in many industries, including automotive, telecommunications, consumer electronics and industrial lighting. In order to control these LEDs, an appropriate driver is required, ranging from simple resistors to sophisticated PMICs (Power Management Integrated Circuits). The AL5809-40QP1-7 is one such PMIC which is specifically designed for LED applications.The AL5809-40QP1-7 consists of two main components - a power converter and LED driver modules. The power converter, operating at a frequency of 400kHz, provides a stable output voltage, while the LED drivers are used to control the current automatically, allowing the LEDs to be dimmed or brightened as desired.In its simplest form, the power converter is a DC-DC step-down converter, translating the input voltage into a stable regulated voltage. The output voltage can be programmed using the input voltage, allowing the LEDs to be powered with various voltages depending on their specific requirements.The LED driver module is the second component of the AL5809-40QP1-7. It operates in two stages - first, it accurately sets the current based on programmed resistors for each LED. This is achieved through a combination of current sensing and current limiting. It then adjusts the current level, either increasing or reducing it as needed for dimming the LEDs.By setting the current for each LED to the desired level, it is possible to achieve uniform brightness and colours. This is beneficial for applications such as automotive lighting and consumer products, which require high colour rendering.The AL5809-40QP1-7 is used in a variety of applications due to its flexibility and capability to provide both adjustable output voltage and current. These include automotive lighting, backlighting, security lighting and consumer products such as tv sets and smartphone displays.The AL5809-40QP1-7 offers a wide range of features, including adjustable current limit, over-voltage protection, short circuit protection and temperature fold back. It is capable of providing up to 40 LEDs with 20mA per channel. The operating temperature range is from -30 to +85 Degrees Celsius and the external component count is minimal.Overall, the AL5809-40QP1-7 provides an integrated solution for LED lighting applications, making it possible to provide a safe and visible LED source while allowing regulation of intensity and colour. In addition, its small form factor and minimal external component count makes it ideal for space constrained applications.

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