MAX16821BATI+T

Voltage - Output:	--
Base Part Number:	MAX16821
Supplier Device Package:	28-TQFN (5x5)
Package / Case:	28-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Applications:	Backlight
Dimming:	PWM
Frequency:	125kHz ~ 1.5MHz
Current - Output / Channel:	--
Series:	--
Voltage - Supply (Max):	28V
Voltage - Supply (Min):	4.75V
Number of Outputs:	1
Internal Switch(s):	No
Topology:	SEPIC, Step-Down (Buck), Step-Up (Boost)
Type:	DC DC Controller
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The MAX16821BATI+T is a very efficient and high-performance power management integrated circuit (PMIC) designed to drive Light-Emitting Diode (LED) backlighting systems. This device is part of a family of PMICs created by Maxim Integrated, a company headquartered in San Jose, California. The MAX16821BATI+T is also known as the Bright White LED Driver. It is designed to maximize energy efficiency and provide superior performance for LED backlighting applications.The MAX16821BATI+T is well-suited for applications where a large number of LEDs need to be driven in parallel, such as in white or RGB LED backlighting systems. The device consists of two parts: the first part is a high-efficiency, low-voltage step-up DC-DC converter, and the second part is a low-side MOSFET switch. The integrated MOSFET switch makes the MAX16821BATI+T ideal for applications where space is limited, such as in smartphone applications. The MOSFET makes it possible to control the LEDs without the need for external switching components.The MAX16821BATI+T has an adjustable average current (Iadj) range of 1mA to 320mA to support a flexible variety of LED backlight applications. It has a wide 4 V to 40 V supply voltage range and a wide LED forward voltage range of 3 V to 48 V. It also features an adjustable PWM dimming frequency of 100 Hz to 500 kHz, allowing it to be easily adjusted to match the frequency of a microcontroller’s PWM duty cycle. The device also provides an open LED and short circuit protection, allowing products to remain safe in the event of a short.The MAX16821BATI+T is a highly effective LED backlighting solution because it is extremely efficient and can drive up to 80 LEDs in parallel. It also features an adjustable average current range that allows the user to adjust the LED’s brightness for optimal output. Additionally, the device features an adjustable PWM dimming frequency to match the microcontroller’s duty cycle, making it ideal for applications where fast response time is needed.In conclusion, the MAX16821BATI+T is a highly efficient and high-performance PMIC designed specifically to drive LED backlighting systems. It can drive up to 80 LEDs in parallel and has an adjustable average current range to control the brightness. It also features an adjustable PWM dimming frequency to easily match the microcontroller’s duty cycle. If you are looking for a reliable and powerful PMIC designed specifically for LED backlighting applications, the MAX16821BATI+T is an excellent choice.

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