Texas Instruments TPS61299 5.5V Boost Converter is a synchronous boost converter with a 95nA ultra-low quiescent current and average input current limit. The device provides a power solution for portable equipment with an alkaline and coin cell battery. This device has high efficiency under light-load conditions to achieve long operation time, and the average input current limit can avoid battery discharging with high current. The TPS61299 has a wide input voltage range from 0.5V to 5.5V and an output voltage range from 1.8V to 5.5V. The device has different versions for the average input current limit from 5mA to 1.9A. The TPS61299 with a 1.2A current limit can support up to 500mA output current from 3V to 5V conversion and achieve approximately 94% efficiency at 200mA load.

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