TPS62141RGTR

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TPS62141RGTR Application Field and Working Principle

In the field of PMIC (Power Management Integrated Circuit), for the purpose of providing a DC-DC switched regulator voltage service, the TPS62141RGTR is a great choice. It is designed as a compact and low power device suitable for different types of applications, ranging from display to RF applications. This device uses advanced integrated Thin Film Process (TFP) technology to ensure premium performance, high linearity, and low power consumption.

Overview of the TPS62141RGTR

The TPS62141RGTR is a highly efficient DC-DC switched regulator with a wide input voltage range. It is designed to meet the low-system power and low-profile requirements of cellular phones, Bluetooth devices, and PDAs. It features Power Ok and voltage monitor for better ESD protection and some key performance features such as low dropout voltage, high efficiency, fast transient response, and low output drops. To enhance the design flexibility of this device, it provides programmable switching frequency and timing control settings.

Key Features of the TPS62141RGTR

• High efficiency due to integrated Thin Film Process (TFP) technology
• Hard and soft start-up options
• Wide input voltage range (2.5V to 5.5V)
• Low power consumption and low dropout voltage
• Wide switching frequency range (1.5MHz to 1.8MHz)
• Programmable voltage monitor and power OK settings
• High PSRR at switching noise sensitive applications
• Low quiescent current
• Compact size and low profile

Working Principle

The TPS62141RGTR DC-DC switched regulator consists of two stages: power switch and voltage control stage. During operation, the system power is supplied by the external power supply. The input voltage is boosted by an internal inductor and is applied to a control stage. The output voltage is regulated by an internal error amplifier that compares the reference voltage to the actual output voltage. When the output voltage exceeds the reference voltage, the power switch is turned off and the system is left in a low-power idle state. When the output voltage drops below the reference voltage, the power switch is turned back on and the system is resumed.

The voltage control stage uses a PWM comparator to regulate the output voltage. The PWM comparator monitors the output voltage and when it reaches the setpoint, it triggers a high side switch or low side switch to turn on or off, respectively. The duty cycle control block controls the switching frequency, which is configurable to a specific range. The voltage control stage also has current limit protection to ensure the safe operation of the system.

The TPS62141RGTR is an ideal DC-DC switching regulator for a variety of applications due to its advanced features, efficiency, and compact size. Its wide input voltage range, low power consumption, and fast transient response makes it an ideal choice for space constrained applications.

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