TPS40193DRCT Integrated Circuits (ICs)

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TPS40193DRCT belongs to a family of DC-DC switching controllers developed by Texas Instruments (TI). In particular, these controllers are usually categorized as PMIC - Voltage Regulators - DC DC Switching Controllers. This device is an advanced high-efficiency switch-mode controller specially designed for wide input voltage and high-efficiency switching-mode power supplies (SMPS) applications.

The main feature of the TPS40193DRCT is its high-efficiency step-down switching regulator. It has an integrated high-side and low-side switch and an integrated pre-charging circuit. It also provides a wide range of features meant to simplify design and reduce board space.

The most useful feature of TPS40193DRCT is its wide input voltage range of 7 V–17 V, which makes it a perfect choice for automotive, telecom and off-line applications. The integrated low side MOSFET can handle up to 10 A and the high side MOSFET can handle up to 7 A. The maximum switching frequency is up to 2.25 MHz and the switching frequency is adjustable over a wide range. The internal constant-off-time control-loop ensures tight regulation of the output voltage and provides excellent line and load regulation.

In addition, the TPS40193DRCT provides special features, like thermal shutdown protection, undervoltage lockout, overvoltage protection and overcurrent protection, which make it an ideal choice for many applications. It also provides an enable input pin that enables or disables the device.

The working principle of the TPS40193DRCT is based on the high side and low side MOSFET switch. This device uses an internal PWM (pulse width modulation) scheme to control the amount of energy delivered to the load connected to it. The amount of energy is controlled by adjusting the duty cycle and frequency of the PWM. The constant-off-time control-loop ensures the stability of the output voltage.

The main application fields of the TPS40193DRCT are telecom, off-line and automotive applications. It can be used in battery chargers, UPS systems, DC-DC converters, motor drivers and battery-regulators. The integrated overvoltage protection and thermal protection makes it an ideal choice for automotive applications such as DC-DC converters, motor controllers and battery chargers.

In summary, TPS40193DRCT is a high-efficiency step-down switching regulator designed for wide input voltage level and high-efficiency switching-mode power supplies (SMPS) applications. It has wide input voltage range of 7 V–17 V, integrated low-side and high-side MOSFET, adjustable switching frequency and excellent protection features like overvoltage protection and thermal protection. The main application fields are telecom, off-line and automotive applications such as battery chargers, UPS systems, DC-DC converters, motor drivers and battery-regulators.

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