LTC4416EMS#TRPBF

LTC4416 is a 36V, low loss dual powerpath controller for large PFETs. It control two sets of external P-channel MOSFETs to create two near ideal diode functions for power switchover circuits. This permits highly efficient OR’ing of multiple power sources for extended battery life and low self heating. For applications with a wall adapter or other auxiliary power source, the load is automatically disconnected from the battery when the auxiliary source is connected. It integrates two interconnected PowerPath™ controllers with soft switchover control. The “soft-off” switchover permits the users to transfer between two dissimilar voltages without excessive voltage undershoot (or VDROOP) in the output supply. It is widely used in applications such as high current powerpath switch, industrial and automotive applications, uninterruptible power supplies, logic controlled power switch, battery backup system, emergency systems with battery backups etc.

• Designed specifically to drive large and small QG PFETs
• Wide operating voltage range is 3.6V to 36V
• Reverse battery protection, minimal external components
• Automatic switching between DC sources
• Load current sharing, MOSFET gate protection clamp
• Precision input control comparators for setting switchover threshold points
• Open-drain feedback points for customer specified hysteresis control
• Low quiescent current is 35µA per channel
• Operating ambient temperature is -40°C to 85°C
• Package style is 10-lead plastic MSOP

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