Other Parts Discussed in Thread: PMP10748
Hi TI experts,
We will develop a battery power supply that has 3 x 48V batteries in parallel as power source to provide 48V / 150A to the load (ESCs and BLDC motors). We want to insert a module between each battery and the load so the module will:
1. prevent backfeeding from good batteries to bad batteries if batteries become bad such as battery voltage of one or two batteries goes low.
2. act as an ideal diode OR-ing so power will continuously supply to the load even one or two batteries become bad or removed.
3. act as a switch controlled by external signal so it will disconnect the battery from the load.
4. support hot plug batteries, each battery provides less than 2A at the initial stage, 150A at the latest stage controlled by the other subsystems.
After reviewing the LM5060 datasheet (e.g. Figure 39 / 41 on the LM5060 datasheet), it seems:
1. the ENABLE pin can disconnect the power source from the load,
2. it supports hot plug (UVLO and OVP), reverse polarity protection is not required
3. it (as Figure 39 / 41) prevents backfeeding by back to back MOSFETs pairs
We are not sure:
1. it (as Figure 39 / 41) can act as ideal diodes OR-ing.
2. it can drive multiple parallel MOSFETs as the continuous current of each module may be 50A.
Could anyone shed some light if LM5060 can meet our design goals.
Regards,
Buta
