TPS40061PWPR Integrated Circuits (ICs)

Frequency - Switching:	Up to 1MHz
Base Part Number:	TPS40061
Supplier Device Package:	16-HTSSOP
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Current Limit, Enable, Frequency Control, Soft Start
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	98%
Series:	--
Voltage - Supply (Vcc/Vdd):	10 V ~ 55 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS40061PWPR Application Field and Working Principle

The TPS40061PWPR is a DC-DC switching controller used in Power Management Integrated Circuit (PMIC) applications. The device is part of the TI Precision Designs for low-power, complex architecture designs. It contains a full-featured, high performance, voltage-mode DC-DC synchronous buck controller with advanced loop compensation. This device is a cost-effective solution for power systems requiring an integrated solution with ultra-low quiescent current, a wide input voltage range, and high output voltage accuracy.

Features of TPS40061PWPR

The TPS40061PWPR features an adjustable current-mode synchronous buck controller. It has an output voltage of 4.5V to 18V with a high efficiency of up to 96%. It has a wide input voltage range of 4.5V to 32V and is designed for applications with load transients requiring fast loop response. It is available in a thermally enhanced 8-pin HTSSOP package.

Applications of TPS40061PWPR

The TPS40061PWPR is suitable for a wide range of applications such as portable electronics, multimedia systems, and single-cell battery-powered applications. It can be used in power systems where high efficiency is required and a very low quiescent current is needed. It is also suitable for applications requiring an integrated solution with high output voltage accuracy and fast loop response.

Working Principle of TPS40061PWPR

The TPS40061PWPR is a current-mode synchronous buck controller. It can be used to generate a regulated output voltage from a DC power source. The device operates in either fixed or adjustable modes. In fixed mode, the output voltage is determined by the setting of external resistors. In adjustable mode, the output voltage can be programmed over a wide range using an external voltage reference.The device contains an internal PWM controller and reference generator. It operates on a fixed frequency of 500kHz and can regulate the voltage across the output inductor. The output voltage is sensed and regulated by an internal error amplifier. In addition, the device contains an adjustable soft start circuit and an adjustable internal soft-stop circuit. This allows the user to limit the inrush current at power-up and power-down.The device is protected against overcurrent, undervoltage lockout, short circuits, and over temperatures. It also has an enable pin that can be used to enable and disable the output of the device.

Conclusion

The TPS40061PWPR is a high-performance DC-DC switching controller used in PMIC applications. It is suitable for applications requiring low quiescent current, a wide input voltage range, and high output voltage accuracy. It operates using a current-mode synchronous buck controller and has an adjustable soft start and soft-stop circuit. The device is protected against overcurrent, undervoltage lockout, short circuits, and over temperatures. It is an ideal solution for power systems requiring an integrated and cost-effective solution.

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