ADP2138ACBZ-1.2-R7

Introduction

The ADP2138ACBZ-1.2-R7 is a SmartPower Module developed by ADI that is categorised as a DC-DC switching regulator type of PMIC (Power Management Integrated Circuit). Its primary function is to control a power supply which regulates the output voltage of the circuit. This will ensure that the necessary voltages are maintained throughout the circuit and prevents dangerous power fluctuations from occurring. It has a wide variety of potential applications such as providing voltage regulation to voltage sensitive equipment, among others.

Design and Technology

The ADP2138ACBZ-1.2-R7 consists of a high-performance voltage regulator with a 0.6V to 5.5V output range and a power supply input range of 4.5V to 16V. The output current is programmable up to 9A and the output voltage is programmable up to 6V. The device also features an accurate programmable linear regulator with an adjustable output current limit range of 0.1 to 6A. Additionally, it has an integrated power FET switch with a low on-resistance of only 2Ω. These features make it an ideal choice for applications that require high-precision and efficient voltage regulation.

In addition to the voltage and current regulation, the ADP2138ACBZ-1.2-R7 also offers a range of protection functions. These include over-current protection and thermal shutdown for protection against temperature-related faults. It has a fast transient response and a programmable frequency range of 500kHz to 800kHz. Furthermore, it provides an output voltage tracking and monitoring capability. This ensures that the output voltage of the power supply is accurately regulated.

Application Areas

The ADP2138ACBZ-1.2-R7 is well suited for a wide range of applications due to its ability to control a variety of DC inputs and outputs. It can be used in a range of industrial applications such as controlling the power supplies of motors and pumps, providing voltage regulation to home appliances and white goods, and controlling LEDs and LCD displays. It is also suitable for use in automotive and aerospace applications. Its adjustable output current limit, low on resistance, and programmable frequency range make it suitable for various applications.

Working Principle

The primary function of the ADP2138ACBZ-1.2-R7 is to provide efficient power management by regulating the output voltage of the circuit. In order to do this, the device uses an integrated pulse-width modulation (PWM) control to regulate the output voltage. The PWM control adjusts the output voltage based on the input voltage and the feedback loop of the voltage regulator. This ensures that the desired level of output voltage is maintained in order to prevent power fluctuations.

The device also features an integrated power FET switch. This allows it to provide a low on-resistance of only 2Ω, which ensures high efficiency and precise voltage regulation. Additionally, the integrated protection functions and monitoring capabilities allow the device to protect the circuit from dangerous power fluctuations and temperature-related faults.

Conclusion

In conclusion, the ADP2138ACBZ-1.2-R7 is an ideal choice for applications that require efficient voltage regulation and precise current control. Its wide variety of protection functions and adjustable parameters makes it suited for a range of applications, from industrial, automotive and aerospace applications to controlling voltage-sensitive equipment. Its high performance, programmable frequency range, low on-resistance, and programmable linear regulator ensure that the necessary levels of current and voltage regulation can be achieved for reliable operation in high-precision circuits.