TPS61100PWG4

Voltage/Current - Output 3:	--
Base Part Number:	TPS61100
Supplier Device Package:	20-TSSOP
Package / Case:	20-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	0.8 V ~ 3.3 V
w/Sequencer:	No
w/Supervisor:	No
w/LED Driver:	No
Series:	--
Voltage/Current - Output 2:	0.9 V ~ 3.6 V, 500mA
Voltage/Current - Output 1:	1.5 V ~ 5.5 V, 1.8A
Frequency - Switching:	500kHz
Number of Outputs:	2
Function:	Any Function
Topology:	Step-Up (Boost) Synchronous (1), Linear (LDO) (1)
Part Status:	Not For New Designs
Packaging:	Tube

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TPS61100PWG4 Application Field and Working PrincipleThe TPS61100PWG4 is an integrated power manager designed to power low voltage loads, such as LEDs, processors, or FPGAs, from a line or battery input. This device features a highly integrated power architecture, allowing designers to simplify the power-supply topology, reduce board space, and lower system cost. It also has excellent cost-performance for high-voltage applications. This device is a high-efficiency, step-down DC-DC regulator based on a true monolithic pulse-width modulator (PWM). The PWM operates inbound by automatically adjusting its duty cycle to deliver output current based on the incoming voltage. It also has an under-voltage lockout feature that disables the output if the voltage falls below a certain threshold.The TPS611XXPWG4 design resources provide a breakout board and daughter card to allow easy evaluation of the device. In addition, the evaluation board features a graphical user interface that allows designers to quickly configure the power settings, monitor operating parameters, detect faults, and debug faults.The TPS611XXPWG4 family is typically used in applications such as industrial and automotive power supplies, consumer electronics, data storage, and medical devices. It is also used in applications where high efficiency and small footprint are essential, such as solar powered systems and portable devices.The TPS611XXPWG4 features an integrated control loop to provide accurate output voltage control and a programmable soft-start as well as complete phase-shift protection. Its high-efficiency switching eliminates the need for extra heat sinks, which makes it well-suited for applications with a low output power requirement. Moreover, the device also offers over-voltage, over-current, and short-circuit protection for enhanced system reliability and safety.One key benefit of the TPS611XXPWG4 is its low part count and cost. It only requires four external components: one Schottky diode, one inductor, and two ceramic capacitors. This simplifies the design process, reduces overall board space, and reduces system cost. Since the device is enclosed in an ultra-small Thin Heat Sink (THS) package (1.45~1.55mm × 1.20~1.30mm × 0.55~0.75mm), the board space can be further reduced. In conclusion, the TPS611XXPWG4 is an efficient and cost-effective power management solution for powering low voltage loads. It features a highly integrated architecture that simplifies the power-supply topology, reduces board space, and lowers system cost. It also has a low part count and requires only four external components. In addition, the device includes protection features to enhance system reliability and safety. Finally, its THS package reduces board space, making it an ideal solution for applications with limited board space, such as solar powered systems and portable devices.

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