Power Management Integrated Circuits (PMICs) are essential components in modern electronic devices. They are responsible for managing the power supply to various components of the device, ensuring that they receive the correct voltage and current. One of the critical functions of PMICs is current regulation and management. In this article, we will discuss the popular models of PMICs used for current regulation and management.
1. Texas Instruments TPS65987D
The Texas Instruments TPS65987D is a highly integrated PMIC designed for use in USB Type-C and Power Delivery (PD) applications. It features eight buck converters, four LDOs, and a boost converter, making it suitable for powering a wide range of components in a device. The TPS65987D also includes a programmable power management unit (PMU) that allows for flexible power sequencing and control.
One of the key features of the TPS65987D is its ability to support USB PD 3.0 with PPS (Programmable Power Supply) and Qualcomm Quick Charge 4.0+. This makes it an ideal choice for smartphones, tablets, and other portable devices that require fast charging.
2. Maxim Integrated MAX77860
The Maxim Integrated MAX77860 is a highly efficient PMIC designed for use in smartphones and other portable devices. It features a single buck-boost regulator that can deliver up to 3A of current, making it suitable for powering the device's main processor and other high-current components.
The MAX77860 also includes a programmable PMU that allows for flexible power sequencing and control. It features a low quiescent current of just 6µA, making it ideal for use in battery-powered devices.
3. Analog Devices ADP5052
The Analog Devices ADP5052 is a highly integrated PMIC designed for use in industrial and automotive applications. It features four buck converters and two LDOs, making it suitable for powering a wide range of components in a device.
The ADP5052 also includes a programmable PMU that allows for flexible power sequencing and control. It features a wide input voltage range of 4.5V to 20V, making it ideal for use in automotive applications.
4. STMicroelectronics STPMIC1
The STMicroelectronics STPMIC1 is a highly integrated PMIC designed for use in wearable devices and other low-power applications. It features a single buck converter and two LDOs, making it suitable for powering a range of low-power components.
The STPMIC1 also includes a programmable PMU that allows for flexible power sequencing and control. It features a low quiescent current of just 500nA, making it ideal for use in battery-powered devices.
5. NXP Semiconductors PF3000
The NXP Semiconductors PF3000 is a highly integrated PMIC designed for use in automotive and industrial applications. It features six buck converters and four LDOs, making it suitable for powering a wide range of components in a device.
The PF3000 also includes a programmable PMU that allows for flexible power sequencing and control. It features a wide input voltage range of 2.5V to 5.5V, making it ideal for use in automotive applications.
Conclusion
In conclusion, PMICs are essential components in modern electronic devices, and current regulation and management are critical functions of PMICs. The models discussed in this article are just a few of the popular PMICs used for current regulation and management. When selecting a PMIC, it is essential to consider the specific requirements of the device and choose a PMIC that can meet those requirements efficiently.
