TLV62084DSGT

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TLV62084DSGT Application Field and Working Principle

The TLV62084DSGT is a high performance synchronized 8-phase, 2-output DC/DC switching regulator control IC. It is a product of Texas Instruments and belongs to the family of DC/DC switch-mode regulators under the Power Management ICs (PMICs) portfolio featuring Voltage Regulators. This particular device is designed to power modern processors and other complex SoCs while providing high efficiency, flexibility, and redundancy. It features absolute maximum ratings of 8 A on each of the eight phases, a clock synchronization range of 3 to 6 MHz, and an operating temperature range of -40°C to +125°C.

The TLV62084DSGT DC/DC switching regulator control IC is designed for high currents, wide input voltage ranges and high efficiency. It allows up to eight phases to be combined to provide up to 120 A total current. Additionally, it has an extended on-time capability to maintain the high currents over a wide line, load and temperature variation. Additionally, it provides simultaneous and synchronized dual output voltages of 7 A each with a voltage accuracy of 2%and a 2% tolerance in the range of 0.7V to 2.5V. High frequency operation allows the device to operate with a low component count, no external compensation and no external clock, reducing overall system cost.

The TLV62084DSGT is based on the switching regulator principle. This device uses an internal oscillator that drives the power stage circuit, which consists of a MOSfet switch, a transformer and secondary rectification circuit. The internal oscillator is designed to operate at a 3 to 6 MHz range and provides the drive signal to the MOSfet switch which, in turn, produces a pulsed voltage. The transformer reduces the input voltage to a lower voltage and then sends the pulse signal to a rectification circuit, which converts it to the desired output voltage.

The TLV62084DSGT provides superior dynamic performance with a single output voltage or synchronized multi-output operation mode. It has an error amplifier to maintain output voltage accuracy, and also provides remote voltage sensing capability that allows the output voltage to be monitored and adjusted at a remote location. The device also has a temperature protected mode that allows the system to protect the device from an excessive temperature rise.

The TLV62084DSGT integrates an internal switch current sense, allowing for the monitoring of the MOSFET switch input current in real time. Additionally, the device has an internal low power bias cell that helps reduce the overall system power consumption. Furthermore, the TLV62084DSGT provides adjustable phase current sharing and power conversion efficiency during multi-output synchronization.

In conclusion, the TLV62084DSGT is a feature-rich and highly integrated 8-phase, 2-output DC/DC switching regulator control IC capable of providing high current, high efficiency and redundancy across a wide range of applications. Its advanced technology and integrated features make it a suitable solution for providing power to modern processors and other complex SoCs with better power management performance and power efficiency.

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