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

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

+

7

8

9

10

1

CSN

2

CSP

3

IN1

4

5

GND

6

IN2

16 CB

15 ON

14 EN

13 CDLY

12 PC

11 FAULT

20

19

18

17

MAX15068

Dual ORing, Single Hot-Swap Controller with

Accurate Current Monitoring

www.maximintegrated.com

Maxim Integrated │ 9

Pin Configuration

Pin Description