TPS60252RTET

Voltage - Output:	6.5V
Base Part Number:	TPS60252
Supplier Device Package:	16-WQFN (3x3)
Package / Case:	16-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	Backlight
Dimming:	I²C
Frequency:	750kHz
Current - Output / Channel:	230mA
Series:	--
Voltage - Supply (Max):	6V
Voltage - Supply (Min):	3V
Number of Outputs:	7
Internal Switch(s):	Yes
Topology:	Switched Capacitor (Charge Pump)
Type:	DC DC Regulator
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS60252RTET Application Field and Working Principle

The TPS60252RTET is a member of Texas Instruments\' PMIC - LED Drivers product line. This device offers a power conversion solution for LED lighting applications including low voltage lighting and high voltage lighting that requires a step down LED driver. The LED driver features an AC or DC input as well as constant current output and has a wide operating temperature range of -40°C to +85°C, making it suitable to operate in both indoor and outdoor applications.

Features

The TPS60252RTET offers several features:

• Wide input voltage range of 10 V to 80 V
• Output current range of 5 mA to 50 mA
• Constant current output ensure power regulation from fluctuating line voltage
• Adaptive input voltage mode for safe, reliable operation in all lighting conditions
• Integrated loop compensation for output stability
• Integrated over-voltage protection for added system safety

Applications

The TPS60252RTET can be used in a wide range of LED lighting applications, such as:

• Indoor and outdoor lighting with flexible control options
• Retrofit LED lighting with dimmers or sensors
• Emergency lighting
• Liquid coolant backlighting
• Solar or wind-powered LED lighting systems

Operating Principle

The TPS60252RTET LED driver has two main parts: a buck converter and a switching regulator. The buck converter is a type of power converter that Steps down a higher voltage to a lower voltage. It is often used to step down the AC or DC power supply to the desired level for the LED load. The switching regulator is a type of power conversion circuit that uses a periodic switching mechanism to regulate the output voltage. The basic principle of operation for the TPS60252RTET is as follows. To begin with, the input voltage is stepped down by the buck converter and the output of the converter is fed to the switching regulator. The switching regulator then steps down this voltage to the desired level based on the output current set. The control loop then works to ensure that the average output current of the switching regulator is equal to the set output current. If the output current changes, the duty cycle of the switching regulator is adjusted in order to maintain the desired output current.

Conclusion

In conclusion, the TPS60252RTET offers a power conversion solution for LED lighting applications that require a step down LED driver. It offers a wide input voltage range, a range of output currents, and integrated loop compensation and over-voltage protection. It can be used in a variety of LED lighting applications, and its operating principle is based on the buck converter and switching regulator. With its features and capabilities, the TPS60252RTET is an excellent choice for LED lighting applications that require a step down LED driver.

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