TPS62135RGXR

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TPS62135RGXR is a low dropout linear voltage regulator (LDO) integrated circuit manufactured by Texas Instruments that is tailored for automotive applications. It incorporates a power MOSFET switch and is used for DC-DC voltage conversion with a wide input voltage range. The output voltage is variable from 1.25 volts up to 12 volts and the output current is rated up to 150mA. This DC-DC switching regulator is used for applications such as inverters, step-up converters, and buck-boost converters.

The TPS62135RGXR operates best when the input voltage is in the range of 4.5 to 28 volts. The maximum operating quiescent current is only 0.5mA at 1.8 volts and typically 60mA at 28 volts. The switch current limit of the TPS62135RGXR is also set at a low level of 500mA so as not to damage the chip. The input voltage and the current limitations are monitored independently to protect the regulator.

The TPS62135RGXR can be used in a variety of systems, including automotive, portable devices, consumer electronics and industrial applications. The low quiescent current and small size of the TPS62135RGXR make it an ideal choice for high-efficiency, low-power designs. It can also be used in applications where a wide input voltage range is required or where the noise of the switching regulator is an issue. In automotive applications, the TPS62135RGXR can be used to provide a regulated power supply for remote controlled systems and other 12V systems.

The working principle of TPS62135RGXR is based on a synchronous buck-boost converter. The control circuitry monitors the input and output voltages and adjusts the duty cycle of the switching MOSFET to maintain the desired output voltage. The synchronous rectifier MOSFETs provide improved efficiency and reduced power dissipation over diode-rectified designs. The TPS62135RGXR is designed to operate in either a fixed frequency mode or a peak current mode, depending on the application. In fixed frequency mode, the TPS62135RGXR has a wide frequency range of 0.5 to 1.5MHz and a frequency synchronization feature. In peak current mode, the peak current limit is adjustable, making the device ideal for applications requiring an adjustable peak current limit.

The output voltage of the TPS62135RGXR can be adjusted through the use of an external resistor network. The output voltage precision can be tuned from 1.24 to 12 volts, with adjustable load regulation and a maximum output current rating of 150mA. The TPS62135RGXR can also be used for a wide range of applications due to its low RDS(on), wide output voltage range, low quiescent current, and small size.

In summary, TPS62135RGXR is a low dropout, low-power integrated circuit tailored for automotive applications. It offers an adjustable voltage range, low quiescent current, and low power dissipation in a small package. Its peak current mode and wide frequency range make it ideal for a variety of applications. The output voltage can be adjusted through an external resistor network. It is capable of operating in either fixed or peak current mode for wide range of applications.

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