TPS65235RUKR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Converter, Satellite Set-Top Box Designs
Voltage - Input:	4.5 V ~ 16 V
Number of Outputs:	1
Voltage - Output:	13.4V, 18.2V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	20-WFQFN Exposed Pad
Supplier Device Package:	20-WQFN (3x3)

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Introduction

The TPS65235RUKR is a 1.8V to 5.5V input three-terminal High-Voltage Synchronous Buck Regulator Controllers (HVSB-C) from the Texas Instruments. This integrated circuit (IC) provides design flexibility and is used in applications such as automotive camera systems, telematics and internet systems, onboard industrial equipment, and other consumer electronics. The TPS65235RUKR includes a dedicated reference, dual PWM channels, internal compensation, soft start, -60V under-voltage lockout (UVLO), and a low-battery voltage detect (VTMILOSS) feature, which is extended to the TPS65210RUKR series.

Applications

The TPS65235RUKR has a wide range of applications in the automotive industry. These include camera systems, telematics and internet systems, internal diagnostics systems, ECU, and integrated systems. This IC is also commonly used in consumer appliances, power tools, lighting, industrial equipment, and battery-operated applications. The TPS65235RUKR offers high voltage capabilities, efficient power conversion and low noise for these applications. The TPS65235RUKR can be used in 3.3V and 5V automotive applications, power tools, battery-operated applications, TV, set top boxes and printers. Its features include high-voltage, wide-frequency-response, high power factor, and very efficient synchronous buck converter. The device is designed to enable high efficiency over a wide range of line and load conditions. The TPS65235RUKR is also well suited for Industrial applications as it is proven in white goods, diagnostic and measurement equipment, motor drives and hand held device applications.

Working Principle

The TPS65235RUKR is a high voltage synchronous buck regulator controller. It includes one PWM channel and one PFM channel. The PWM channel is used to deliver power to the system, while the PFM channel is used to provide standalone regulation of the output voltage. In the PWM mode, the voltage is regulated to a set value by the feedback network. The feedback controls the duty cycle of the output MOSFETs and the input current. The device controls the current to the output using two internal regulators, one active and one bypass. The active regulator operates at the same frequency as an internal oscillator. This oscillator frequency is adjustable by resistive divider to set the desired output voltage.In the PFM mode the device monitors the output voltage, compares it against a reference voltage and adjusts the ON time and OFF time accordingly. The device can switch ON for a relatively long ON time to charge the output capacitor and OFF for a relatively short OFF time to minimize switching losses.The TPS65235RUKR also benefits from efficient power conversion, extended frequency range, and low noise. These attributes make the TPS65235RUKR ideal for automotive, consumer, industrial, and battery-operated applications.

Conclusion

In conclusion, the TPS65235RUKR is a 1.8V to 5.5V input three-terminal High-Voltage Synchronous Buck Regulator Controllers (HVSB-C) from Texas Instruments. The TPS65235RUKR has a wide range of applications, including automotive cameras systems etc. Also, it offers high-voltage, wide-frequency-response, high power factor and very efficient synchronous buck converter. The IC also features dedicated reference, dual PWM channels, internal compensation, soft start, -60V under-voltage lockout (UVLO), and a low-battery voltage detect (VTMILOSS) feature. It provides efficient power conversion, extended frequency range, and low noise for automotive, consumer, industrial, and battery-operated applications.

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