A8512EETTR-T

Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	DC DC Controller
Topology:	Step-Up (Boost)
Internal Switch(s):	No
Number of Outputs:	6
Voltage - Supply (Min):	8V
Voltage - Supply (Max):	24V
Voltage - Output:	--
Current - Output / Channel:	--
Frequency:	1MHz
Dimming:	PWM
Applications:	Backlight
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	28-VFQFN Exposed Pad
Supplier Device Package:	28-QFN/MLP (5x5)
Base Part Number:	A8512
Series:	--

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PMIC - LED DriversThe A8512EETTR-T is a power management integrated circuit (PMIC) designed for driving a constant current for LEDs. It seeks to reduce the complexity and cost of designs that require multiple ICs for powering LEDs. The device is integrated with four independent current sources and four independent PWM dimming channels. The integrated nature of the PMIC allows a single system to power multiple LEDs in parallel without the need for any additional components.One of the main advantages of the A8512EETTR-T is its wide input voltage range. It has an input range of 5V to 54V making it suitable for a variety of applications in the range of applications. This allows the device to operate in a variety of environments and conditions such as automotive, industrial, and buildings. Additionally, the device is designed for both linear and PWM dimming control making it well-suited for both simple LED brightness adjustment and LED dimming control.The A8512EETTR-T is also designed for safety. It is equipped with overvoltage protection, overcurrent protection, and open LED detection features. The open LED detection feature prevents potential damage to the device by detecting when one or more LEDs are not properly connected. Additionally, the device is also RoHS compliant.The A8512EETTR-T can be used to power a variety of LEDs including white LEDs, yellow LEDs, and high-power LEDs such as 1W and 3W LEDs. The device is also very efficient as it is able to achieve up to 94% efficiency. This makes it well-suited for applications such as stage lighting, backlighting, and LCD panel backlighting.The working principle of the A8512EETTR-T is very straightforward. The input voltage is converted to a constant current for driving a specific LED by setting the current source pins to the desired current value. The PWM dimming control is enabled by connecting the PWM pins to the system’s controller. The PWM signal from the controller is used to adjust the duty cycle of the device and thus the brightness of the LED. The device also has a slew rate control feature that allows for flicker-free operation.In summary, the A8512EETTR-T is a highly-integrated PMIC designed for driving LEDs. Its wide input voltage range makes it suitable for a variety of applications. It is also RoHS compliant and offers a host of safety features to protect the device. Additionally, it is able to achieve high efficiency levels and can be used with a variety of LEDs. Finally, the working principle of the device allows for simple LED brightness adjustment and LED dimming control.

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