TPS40003DGQRG4

Frequency - Switching:	600kHz
Base Part Number:	TPS40003
Supplier Device Package:	10-MSOP-PowerPad
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Current Limit, Enable, Soft Start
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	93%
Series:	--
Voltage - Supply (Vcc/Vdd):	2.25 V ~ 5.5 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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TPS40003DGQRG4 Application Field and Working Principle

The TPS40003DGQRG4 is a high-performance, low-cost DC-DC switching controller designed by Texas Instruments to reduce energy consumption and simplify the design of DC-DC power systems. It belongs to the category of PMIC (Power Management ICs) and is classified under Voltage Regulators and DC DC Switching Controllers. This controller features a 2 Amp, two-phase synchronous-boost converter, a 350kHz operating frequency, with a wide input operating range, and a low-gate drive current (<2mA).The TPS40003DGQRG4 applications include providing power for FPGAs, DSPs, SoCs, microprocessors, and other similar power-hungry devices. This controller is especially ideal for those applications that require high power density and dynamic current sharing. The highly configurable and efficient voltage regulator reduces the overall system cost and simplifies the development and design process. The TPS40003DGQRG4 comes in a tiny 9-pin package that helps reduce the overall system PCB (Printed Circuit Board) area and enhances system thermal performance. It features two individually driven, two-phase synchronous boost converters that can be connected in parallel to form a single, larger boost converter. The on-chip, programmable, control logic of the TPS40003DGQRG4 ensures low-noise analogue operation, high power efficiency and low component count. Some of the features of this controller include adaptive frequency control, programmable fault protection, fast transient response, and internal loop compensation. The TPS40003DGQRG4 offers excellent efficiency, flexibility and provides a wide range of configurability to suit an array of applications. The adaptive frequency control feature allows the user to control the operating frequency of the converter for a wide range of output switching frequencies (100kHz to 350kHz). The fast transient response feature of the TPS40003DGQRG4 helps reduce the current ripple and eases the design process. In addition, the internal loop compensation eliminates the need for an external loop compensation components. The unique and programmable fault protection circuit of the TPS40003DGQRG4 includes adjustable current sense threshold, start-up/disable timing and thermal shutdown to protect the system from damage. In a nutshell, the TPS40003DGQRG4 is a highly efficient and versatile DC-DC switching controller designed to help developers reduce energy consumption, simplify the design process and reduce system costs. It is primarily intended for FPGAs, DSPs, SoCs, microprocessors and other power-hungry devices. The features such as the two-phase synchronous-boost converter, 350kHz operating frequency, wide input operating range, adaptive frequency control and fast transient response, makes the TPS40003DGQRG4 an excellent choice for power developers.

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