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TPS61020 Boost Converter Start-Up and Precharge

 

The TPS61020 is a highly integrated, low-power, boost converter ideally suited for portable battery-powered equipment. To improve start-up performance from a power-limited source such as a battery, the TPS6102x family uses different steps and modes to reduce demand on the battery. This prevents the battery bus from sagging during start-up and improves start-up operation at low voltage.