TPS40071PWPR

Frequency - Switching:	Up to 1MHz
Base Part Number:	TPS40071
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, Power Good, Soft Start
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	93%
Series:	--
Voltage - Supply (Vcc/Vdd):	4.5 V ~ 28 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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TPS40071PWPR Application Field and Working Principle

The TPS40071PWPR is a DC-DC switching controller manufactured by Texas Instruments. This device is a member of TI\'s PowerWise family of products and is part of their High Voltage Synchronous Buck Controller series. It is designed for use in high current applications such as integrated graphics card processors, multi-processor gaming motherboards, workstations, communication equipment, and server systems.The TPS40071PWPR is provided in a 16-pin WSON package and offers a high-level of sustainability with a wide input voltage range of 4.5V to 100V. This device is ideal for high current applications since it can support an extended Duty Cycle Mode of up to 49%. It also provides a low-noise output filter, an internal oscillator, and an internal soft-start function.The TPS40071PWPR is designed to be used as a synchronous buck controller to convert and regulate a DC voltage from a higher voltage to a lower voltage for various applications. The device employs a pulse width modulation (PWM) technique to ensure stable and accurate output regulation. The device can be configured in one of two modes, an On-Off Control or an Inverting Buck Mode.When the device is in On-Off Control Mode, the PWM switching control is related to the input voltage. The device operates in an open loop and changes its output voltage based upon the input voltage. In the Inverting Buck Mode, the device operates in a closed loop. The feedback voltage is compared to a reference voltage to provide output regulation.The TPS40071PWPR also provides many features that make it ideal for high current applications. These features include an internal oscillator, an internal soft-start function, an over-current protection feature, an over-voltage protection feature, and a thermal shutdown feature. The device also provides an adjustable dead-time control to optimize the system performance and reduce the required external components.The TPS40071PWPR is a versatile DC-DC switching controller that can be used in a wide range of applications. It provides high-level sustainability with an extended Duty Cycle Mode and features an internal oscillator, an internal soft-start function, over-current, over-voltage, and thermal-shutdown protection. The adjustable dead-time control also allows for system optimization and reduced external component requirements. This device is ideal for high current applications such as integrated graphics card processors, multi-processor gaming motherboards, workstations, communication equipment, and server systems.

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