SNOAA94 june 2023 LM74900-Q1 , LM74910-Q1
Table 5-1 showcase the list of functionality and features achievable with LM749x0-Q1 Ideal Diode FET only and High-side switch controller topology.
Functionality/Feature | LM749x0-Q1 as Ideal Diode FET controller (Design 2) | LM749x0-Q1 as High Side Driver (Design 3) |
---|---|---|
Input Reverse Polarity Protection | √ | ╳ |
Reverse Current Blocking | √ | ╳ |
Input Undervoltage Lockout | √ (Only undervoltage indication) | √ |
Overvoltage Protection | ╳ | √ |
Overcurrent and Short Circuit Protection | ╳ | √ |
Inrush Current Control | ╳ | √ |
Current Monitoring | √ | √ |
Fault Indication | √ | √ |
SLEEP Mode | √ (Ideal diode FET body diode conducts when FET is OFF. No overcurrent or ovevoltage protection) | √ (Internal bypass FET conducts in SLEEP mode with protections such as overcurrent and overvoltage latch off) |