ISPPAC-POWR1208-01T44E

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ISPPAC-POWR1208-01T44E is a power management integrated circuit (PMIC) specifically designed to provide a complete power solution for consumer, wireless and other high voltage smart strength applications. It integrates power management blocks to provide a low noise, low cost, most efficient and reliable power conversion for the operating system and peripheral devices.

ISPPAC-POWR1208-01T44E is a strict power supply regulator consisting of three major sets of components: the power supply regulator (PSR), the power converter and the power monitoring system (PMS). The PSR provides the control of voltage output and current limit, with the aim of providing power supply that is safe. The rest of the system privileges are routed through the PMS, which is responsible for the correct information flow and sensing of the system.

The PSR consists of the PSPU and the SFSC, providing the necessary voltage level, current and thermal protection. The PSPU consists of a Pulse Width Modulation (PWM) controller, a drain-current mode converter and two on-chip power MOSFETs. The PSPU collects the input power, transfers the power to the load, and maintains the output voltage.

The SFSC consists of an adjustable voltage reference, a voltage error amplifier, a current-sense amplifier, a current-limit amplifier, a soft-start circuit, a thermal-shutdown circuit, a DrMOS gate driver, and a fast-current-limit timer.

The power converter, on the other hand, consists of a Gate driver and a power MOSFET. The Gate driver provides the necessary drive strength to turn the power MOSFET on and off. The power MOSFET is the main element linking the input and the output in the PMIC, transferring the energy between the two circuits. The on-chip power MOSFET is to provide the best solution to reduce the EMI noise and ensure the system stability.

The power monitoring system (PMS) is designed to sense the input and output voltage. The effective sensing of input and output voltage allows the system to monitor the prior peripheral current, delivering a comprehensive power system protection.

ISPPAC-POWR1208-01T44E is suitable for multiple application fields, including consumer electronic devices, wireless charging applications and electronic device powering. The controllers can provide efficient and reliable power conversion for operating systems in the sub-systems such as GSM, 3G/4G base station, digital media streaming, as well as digital signage.

In addition to providing basic power supply voltage and current monitoring, ISPPAC-POWR1208-01T44E also includes embedded peripheral power control, advanced protection algorithms, including comprehensive protection, loop compensation and dynamic current sharing, fault detection and handling, as well as soft start function, which can ensure the fast turn on and low inrush current.

In conclusion, ISPPAC-POWR1208-01T44E is a versatile PMIC designed specifically to meet the demands of consumer, wireless and other small formfactor applications. It integrates power management blocks to provide a low noise, low cost and most efficient and reliable power conversion. The controller usually provides a wide range of features such as voltage and current monitoring, differential sensing, low ripple and fast on/off, short circuit protection and safe start. With its integrated protection, loop compensation and dynamic current sharing, the PMIC provides a complete power solution for consumer, wireless and other high voltage smart strength areas.

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