TPS630252 Reference Design Circuit | Buck-Boost Converter Application Circuit

The TPS630252 is a high efficiency, low quiescent current buck-boost converter for applications where the input voltage is above or below the output. This article mainly introduces the TPS63025 features, application range, reference design circuit and circuit analysis to help you shorten the design time.

TPS630252 features: input voltage range 2.3V to 5.5V; adjustable and fixed output voltage; 2.5MHz typical switching frequency; running quiescent current 35μA

TPS630252 typical application range: mobile phones, smart phones; tablet PCs; battery-powered applications

TPS630252 reference design application circuit:

Figure 1 TPS630252 internal structure diagram

TPS630252 Single Inductor Buck-Boost Converters are high efficiency, low quiescent current converters suitable for applications where the input voltage is higher or lower than the output. Output currents can go as high as 2A in boost mode and as high as 4A in buck mode.

Figure 2 TPS630252 reference design

The maximum average current in the switches is limited to a typical value of 4A. The TPS630252 regulates the output voltage over the complete input voltage range by automatically switching between buck or boost mode.

TPS630252 Chinese data sheet: Click to download

More schematics and source code popular application circuit: click now

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