TPS65170RHDT Integrated Circuits (ICs)

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The TPS65170RHDT is a highly integrated special power management integrated circuit (PMIC) designed to provide power solutions for portable applications that require low power consumption, extended battery life, and multiple device operation. It is designed to be used in applications such as mobile phones, tablets, digital music players, and other portable consumer electronics. The TPS65170RHDT consists of a controller unit, a buck regulator, and up to six low dropout (LDO) regulators to provide the power solutions. This PMIC has the ability to regulate voltage and current in order to limit power consumption and protect the circuit from excessive current. This ensures that the battery life is extended, as well as enabling stable operation for multiple devices when being used.

The TPS65170RHDT controller unit is a highly advanced digital controller that enables application-specific customization and ease of use. It is capable of providing power from the battery source, from an AC wall adapter, or from a USB port. The controller unit is capable of controlling the dynamic voltage scaling (DVS) and output power. This feature allows for optimal power savings for the application, as well as providing safety features such as thermal protection and over voltage/current protection. The controller unit also features power good indication, power sequencing, and power on reset.

The buck regulator within the TPS65170RHDT is a low power, low noise, and ultra-low-noise regulator. It is comprised of a power supply MOSFET and a resonant inductor/capacitor boosting circuit. It is specifically designed to handle the small input and output voltages and currents typically found in portable applications. The buck regulator is capable of delivering up to 60mA of output current and has adjustable output voltage. The output voltage range is between 0.7V to 3.6V and the switching frequency range is between 200 kHz and 600 kHz. This buck regulator also features Overtemperature System Protection.

The TPS65170RHDT also features up to six low dropout (LDO) regulators. This feature provides direct access to multiple supplies such as LCDI, DDR, audio, sensor, and USB. The LDO regulators can support a wide range of input and output voltages. It is capable of providing up to 50mA of output current, and it has an adjustable output voltage range between 0.7V to 3.6V. This feature also provides current limit and thermal protection to prevent excessive current from damaging the components.

The working principle of the TPS65170RHDT PMIC is simple and easy to understand. The AC wall adapter or the battery is connected to the controller unit which then supplies the power to the buck regulator and the LDO regulators. The buck regulator converts the input power from the AC wall adapter or battery into a regulated output voltage according to the requirements of the application. The LDO regulators then take their regulated input voltage from the buck regulator and adjust it to their required level. The regulated output of the LDO regulators are then distributed to the devices requiring the power.

The TPS65170RHDT is an ideal solution for power management in a wide range of portable applications. The highly integrated features of the TPS65170RHDT allow for a compact, low power, and low cost solution. The advanced digital controller enables application-specific customization and ease of use. The buck regulator provides ultra-low noise and efficient power conversion, while the LDO regulators are capable of providing direct access to multiple supplies. In summary, the TPS65170RHDT provides a highly efficient, low-power, and customizable solution for portable applications.

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