Based on Texas Instruments documentation, this circuit is based on the BQ2000 a circuit used to power LEDs. The circuit can be used with lithium-ion batteries.
The circuit in the figure indicates when the input voltage exceeds a certain value adjusted by the...
This polarization step for electret microphones was found in an Electronics Now from the 90s. The...
This 13.6 V power supply with 8 A output was suggested by Texas Instruments in the documentation of...