ICE5GR1680AGXUMA1 Integrated Circuits (ICs)

Series:	*
Packaging:	Tape & Reel (TR)
Part Status:	Active
Package / Case:	14-SOIC (0.154", 3.90mm Width), 12 Leads
Supplier Device Package:	PG-DSO-12-21
Mounting Type:	Surface Mount

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Introduction to PMIC - AC DC Converters, Offline SwitchersPower management integrated circuits (PMICs) are efficient and cost-effective devices used to control and manage different types of power-related functions in various types of applications. The PMIC family includes AC/DC converters and offline switchers, which convert the AC main-input to DC outputs for powering mobile and fixed systems.ICE5GR1680AGXUMA1 and Its Application FieldThe Infineon Technologies ICE5GR1680AGXUMA1 is a PMIC designed for the ac-dc conversion and offline switching of the main input voltage from a wide range of sources. This device is suitable for a range of dc-dc and ac-dc applications, including industrial supplies, electrical systems, and applications requiring both silent-mode and power savings.Features and Benefits of ICE5GR1680AGXUMA1The ICE5GR1680AGXUMA1 PMIC integrates both AC/DC conversion and offline switching in one single device. Some of the features and benefits of this device include:

• Wide range of AC mains input voltage: 110V to 256V.
• High-efficiency switch-mode power supply up to 85%.
• Integrated MOSFET to reduce components count.
• Integrated high-side reverse current protection.
• Flexible configuration options for reducing dead time and increasing efficiency.
• Integrated thermal shutdown.
• 3.3V and 5V output voltages.
• Frequency jittering to reduce EMI.
• Compact package with small footprint.

ICE5GR1680AGXUMA1 Working PrincipleThe ICE5GR1680AGXUMA1 device includes the function of a flyback converter controlled by burst-mode operation. The device has an integrated PWM controller, switch, and synchronous rectifier in a single package.The PWM controller senses the output voltage, adjusts the on-time of the switch, and controls the operation of the power supply. The on/off switching of the PWM controller is determined by the external oscillator and the internal PWM waveform generated by the PWM controller.When the input voltage of the ICE5GR1680AGXUMA1 is applied, the integrated MOSFET switch connects the transformer primary to ground and the transformer secondary voltage is squared-up through synchronous rectification and filtered by the output capacitor. The voltage of the output capacitor then provides the regulated DC output voltage.ConclusionThe Infineon Technologies ICE5GR1680AGXUMA1 is a PMIC designed for AC/DC conversion and offline switching of the main input voltage from a wide range of sources. This device offers high efficiency, flexibility, and reduced components count for various industrial, electrical, and power-saving applications. The working principle of the device includes a flyback converter controlled by burst-mode operation and synchronization rectification with the help of the integrated PWM controller, switch, and synchronous rectifier.

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