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TPS61023: prevent battery deep discharge and reverse voltage protection

Part Number: TPS61023
Other Parts Discussed in Thread: TPS3895, TPS63061

Hi

Im currently testing the TPS61023 -(in the form of an Adafruit mini boost)  

Im designing a pcb to attach to an esp32 - which has an ams117 LDO - max input 15v (cant really replace)

im using 8 aa batteries (2x4) so 4.8v (NIMH) and 6v (alkaline) (which the tps61023 will bypass initially )

but I'd like to 

  1. prevent deep discharge - stop boosting power at 3.8-4v
  2. Ideally include reverse voltage protection.
  3. keep the components and power consumption to a minimum

what companion product(s) would you recommend?