TPS60252RTER

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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TPS60252RTER application field and working principle

The TPS60252RTER is a Power Management Integrated Circuit (PMIC) - LED Driver Device. It is intended to provide solutions for general-purpose LED lighting applications, particularly for LED driver configurations that require a low-cost and low-power solution. The device offers multiple LED current sources, along with a range of features for controlling LED intensity—such as programmable current drive, programmable PWM dimming, and frequency control through an external resistor. It has a low-input voltage range of 2V to 5.5V, making it suitable for use in low-voltage battery-operated applications. It is built with a high-efficiency switching converter, which helps to reduce power losses and helps to make the device more efficient in its operation.The device can be configured to drive up to three strings of LEDs in series or in parallel, or a single string of up to 8 LEDs in series. It has two adjustable current sources that can be used to drive two different strings of LEDs. It also has the added feature of auto-polarity correction that helps to ensure that the LEDs are always powered in the correct direction.The device includes such integrated circuitry solutions as overvoltage protection and overcurrent protection, with built-in protection mechanisms to prevent damage to the LEDs. It has an adjustable switching frequency with a range of 200 kHz to 600 kHz, and it is designed for operation in a thermal environment of up to 85°C.One of the key features of the TPS60252RTER is its low-noise operation. It has low-noise switching and low-profile inductors, which enable it to operate without inducing disruptive noise. This helps to ensure that the LEDs can be illuminated without any noise disturbances.The working principle of the TPS60252RTER is based on a PWM/PFM control scheme. It uses pulse width modulation (PWM) for controlling the LED current, and pulse frequency modulation (PFM) for adjusting the LED intensity dynamically. The device\'s two current sources allow the LED current to be adjusted, and the LED intensity to be controlled in a variety of ways.The TPS60252RTER can be programmed to operate in various modes of operation, such as constant current, constant voltage, and constant PWM frequency. It can also be programmed to provide dimming control, output power control, and frequency control. All of these features combine to make the TPS60252RTER an ideal solution for general-purpose LED lighting applications.

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