The TPS71533DCKR is a Low-dropout (LDO) Voltage Regulator with a high input voltage, low dropout voltage, and low power consumption. According to TPS71533DCKR datasheet, it is stable with any capacitor greater than or equal to 0.47F and operates throughout a 2.5 to 24V input range. The low quiescent current and low dropout voltage allow for operation at extremely low power levels. As a result, the devices are perfect for supplying power to battery management integrated circuits. The output is instantly accessible to power continuously working battery charging ICs since the devices are enabled as soon as the applied voltage reaches the minimum input voltage. A PMOS pass element has taken the role of the traditional PNP pass transistor.