The six-pin chip on the circuit board of the flashlight may be the LED driver chip, which is usually used to control the brightness and current of the LED lamp bead. Since different manufacturers and models of flashlights may use different chips, it is not possible to determine their specific models.
However, some common LED driver chip brands include TI, ST, ON Semiconductor, NXP, etc., you can try to find relevant information or technical information on the website of the relevant manufacturer according to the logo, color, size and other characteristics on the chip. If you do not have relevant experience or technical knowledge of electronic components, it is recommended that you ask a professional to test and replace them.
Six pin power chip model: AAT31 3, AA 3l14,ADP3Ooo