Datasheet

PIN NAME FUNCTION
1 CSN Input Current Sense Negative Input
2 CSP Input Current Sense Positive Input
3 IN1 Positive Supply 1 Input and MOSFET Gate Drive Return
4 V
S
Internal Regulator Output. Bypass V
S
to GND with a 1μF capacitor.
5 GND Ground
6 IN2 Positive Supply 2 Input and MOSFET Gate Drive Return
7 OG2
ORing MOSFET 2 Gate Control Output. Connect this pin to the gate of an external n-channel MOSFET
for ideal diode control. The gate voltage is limited to approximately 11V above and a diode voltage
below IN2. During fast turn-on, a 1A pullup switch charges OG2 from CP2. During fast turn-off, a 3A
pulldown switch discharges OG2 to IN2.
8 CP2
Charge Pump 2 Output. Connect a capacitor from CP2 to IN2 pin. The value of this capacitor should
be approximately 10x the gate capacitance (CISS) of the external MOSFET for ORing diode control.
The charge stored on this capacitor is used to pull up the gate during a fast turn-on.
9 IPMON Analog Current Monitor Output Signal. Connect a resistor from IPMON to GND to set the monitor gain.
TQFN
(4mm × 5mm)
TOP VIEW
MAX15068
EP
+
OG1 CP1 GATE OUT
7 8 9 10
1CSN
2CSP
3IN1
4V
S
5GND
6IN2
16 CB
15 ON
14 EN
13 CDLY
12 PC
11
FAULT
OG2
CP2
IPMON
PG
20 19 18 17
MAX15068 Dual ORing, Single Hot-Swap Controller with
Accurate Current Monitoring
www.maximintegrated.com
Maxim Integrated │ 9
Pin Conguration
Pin Description