IP1202TR

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PMIC - Voltage Regulators - DC DC Switching Regulators

The IP1202TR is an advanced DC/DC switching regulator from Renesas. This device is capable of regulating output voltage from 5V to 24V, regulating current from 0 to 6A, and maintaining input voltage from 6V to 24V. Additionally, the device can also be used for step-up, step-down, and inverting applications.

The IP1202TR is designed to provide optimum efficiency, good performance in terms of load regulation, and excellent EMI performance. It is also capable of providing protection against overvoltage, overcurrent, and over-temperature conditions.

Application Field

The IP1202TR is suitable for a wide range of applications, including automotive and industrial power supplies, battery chargers, LED lighting, and UPS systems. The device can also be used in general purpose applications such as motor control, power supplies and instrumentation.

Working Principle

The IP1202TR operates by switching between two regulated modes. In the first mode, the device draws current from the input voltage source and draws energy from the reservoir capacitor. In the second mode, the device dumps energy from the reservoir capacitor into the output load.

The device controls the output voltage by controlling the on/off ratio of the switching cycle, which is determined by the output voltage value determined by resistive feedback. This feedback loop is used to compare the output voltage with the set reference voltage. When the output voltage drops below the reference voltage, the device will increase the on/off ratio and saturate the load, thereby increasing the output voltage. Conversely, when the output voltage exceeds the reference voltage, the device will reduce the on/off ratio and reduce the output voltage.

The device also includes a power limitation mode to protect it from overloading conditions. In this mode, the switching frequency is reduced to prevent the output current from exceeding a certain limit. This can help to prevent damage due to excessive heat dissipation.

In addition to voltage and current regulation, the IP1202TR also provides four user-selectable protection features. These include overvoltage protection, overcurrent protection, reverse voltage protection, and overtemperature protection. The overvoltage protection feature can be used to prevent the output voltage from exceeding a certain limit, while the overcurrent protection feature can be used to prevent the output current from exceeding a certain limit. The reverse voltage protection feature can be used to prevent the device from operating in a reverse direction, while the overtemperature protection feature can be used to protect the device from excessive heat dissipation.

Overall, the IP1202TR is an advanced DC/DC switching regulator from Renesas that is well-suited to a wide range of industrial and automotive applications. It provides excellent load regulation, good efficiency, and excellent EMI performance. It also provides protection against overvoltage, overcurrent, and over-temperature conditions.

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