TPS92690PWPR/NOPB

Voltage - Output:	--
Base Part Number:	TPS92690
Supplier Device Package:	16-HTSSOP
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Applications:	--
Dimming:	PWM
Frequency:	350kHz ~ 490kHz
Current - Output / Channel:	--
Series:	--
Voltage - Supply (Max):	75V
Voltage - Supply (Min):	4.5V
Number of Outputs:	1
Internal Switch(s):	No
Topology:	Flyback, SEPIC, Step-Up (Boost)
Type:	DC DC Controller
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS92690PWPR/NOPB Application Field and Working Principle

Introduction

The TPS92690PWPR/NOPB is Texas Instruments’ power management integrated circuit (PMIC) designed specifically for LED drivers. The TPS92690PWPR/NOPB has several features, such as wide current ranges, wide output voltage range, integrated full-bridge driver and low quiescent current, which make it ideal for usage in white LED back-lighting applications. This device is capable of driving up to 10 white LEDs with an output current of 20mA-150mA per channel, making it well-suited for applications with varying needs in terms of light output.

Application Field

The TPS92690PWPR/NOPB is a great choice for powering products that require a robust power supply with wide current range and output voltage range. It is especially suited for white LED back-lighting applications, such as those required in mobile phones, digital cameras, portable gaming systems and remote controls. This device is also suitable for other applications that require reliable and efficient white LED drivers, such as automotive, industrial, medical and commercial lighting. The TPS92690PWPR/NOPB also has a current limiter feature, making it a great choice for surge protection and preventing short-circuits.

Working Principle

The TPS92690PWPR/NOPB is a self-contained PMIC device with integrated full-bridge drivers. It uses the standard ‘Pulsed Width Modulation’ (PWM) technique to control the output current of up to 10 white LEDs with a 20mA-150mA range. The device can accept input voltages between 5V and 12V and is capable of outputting up to 3A. Furthermore, it can also be used in applications requiring multiple LED strings operating at different currents.The PWM signal is created using the dedicated PWM input pin on the device, which is connected to the microcontroller. The microcontroller then sends a signal to the TPS92690PWPR/NOPB informing it of the required output current. The TPS92690PWPR/NOPB adjusts the pulse width and duty cycle of the signal to satisfy this requirement.The TPS92690PWPR/NOPB also comes with an integrated current limiter that monitors the LED current and provides a protective mechanism in the event of any faults or short circuits. The current limiter is adjustable and can be set between 0A and 3.2A.

Conclusion

The TPS92690PWPR/NOPB from Texas Instruments is a great choice for efficient white LED driver applications with varying current requirements. It is particularly suited for mobile phones, digital cameras, portable gaming systems and automotive, industrial, medical and commercial lighting, owing to its wide current range and output voltage range. The TPS92690PWPR/NOPB features an integrated full-bridge driver and low quiescent current consumption, making it an ideal choice for applications requiring reliable power supply with good efficiency. The device is also capable of accepting input voltages between 5V and 12V, allowing for flexible power systems design. Furthermore, its integrated current limiter provides a great way to protect components and make sure that the system run smoothly and safely.

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