MAX15068ATP+ by Analog Devices

Dual ORing, Single Hot-Swap Controller with Accurate Current Monitoring


The MAX15068 offers ORing function and hot-swap features for two input-supply-rail applications requiring the safe insertion and removal of circuit line cards from a live backplane. The device integrates dual ORing MOSFET controllers, a single hot-swap controller, electronic circuitbreaker protection, and power monitoring in a single package. The device operates on 2.9V to 18V supply voltages. The device regulates the forward voltage drop across the ORing MOSFETs to ensure smooth current transfer from one supply to the other without oscillation. The ORing MOSFET turns on quickly to reduce the load voltage drop during supply switchover. If the input supply fails or is shorted, a fast turn-off minimizes reverse-current transients. The device implements a foldback current limit during hotswap startup in order to control inrush current, thereby keeping the hot-swap MOSFET under safe operating area (SOA). After the hot-swap startup cycle is completed, onchip comparators provide active current-limit protection against short-circuit and overcurrent faults. The load is disconnected from the input quickly in the event of a fault condition. The device provides a current-sense amplifier output. A voltage proportional to the current delivered to the system can be read directly at the IPMON pin. The device is factory-calibrated to deliver accurate overcurrent protection with ±5% accuracy. During an overcurrent-fault condition, the device enters an autoretry mode. The device features an adjustable slew-rate control during startup. Additional features include power-good and fault-indicator outputs. The MAX15068 is available in a 20-pin, (4mm x 5mm) TQFN package and is specified from a -40°C to +125°C operating temperature range.

Where to Buy

Prices starting from US$3.38

Distributor Stock
Logo for Farnell
Farnell
from US$4.23
177
in stock
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Logo for Analog Devices
Analog Devices
from US$3.38
894
in stock
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Logo for element14
element14
from US$4.99
177
in stock
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Logo for Newark Electronics
Newark Electronics
from US$4.03
-
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Features

2.9V to 18V Operating Voltage Range (ORing and Hot Swap)
Seamless Power Transition of Redundant Supplies
Controls n-Channel MOSFETs
< 0.5µs Reverse Turn-Off Time
Precision Current Monitoring
Adjustable Slew-Rate Control
Adjustable Current-Limit Fault Delay
Adjustable Circuit-Breaker Current Threshold
Inrush Current Regulated at Startup
Adjustable Undervoltage Lockout
Small (4mm x 5mm) TQFN Package

Specifications

VIN (V) (min) 3.7
VIN (V) (max) 18
Circuit Breaker/ Current Limit Circuit Breaker
Circuit Breaker/Current Limit Threshold (mV) Adjustable
Fault Condition Control Periodic Retry
Features Adjustable Current Limit Fault DelayAnalog Current Report OutputProgrammable Soft startProgrammable UVLO/Inrush Current Regulated at Startup with SOA ControlVariableSpeed/BiLevel Current Limit
Package/Pins TQFN-CU/20
BudgetaryPrice (See Notes) 3.16


MAX15068ATP+ Semiconductors - ICs by Analog Devices

HOT-SWAP CONTROLLER 18V TQFN-20

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Controller Applications Computer Systems Redundant Power Supplies Supply Holdup Telecom Infrastructure
Input Voltage 18V
Supply Voltage Min 2.9V
Supply Voltage Max 18V
Controller IC Case Style TQFN
No. of Pins 20Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Dual ORing, Single Hot-swap Co | Analog Devices
HOT-SWAP CONTROLLER, 18V, TQFN-20 | element14
Hot-Swap Controller, 18V, Tqfn-20 | Newark Electronics

Frequently Asked Questions

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Is the MAX15068ATP+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, element14, Farnell and Newark Electronics have stock available or on a lead time for MAX15068ATP+ .

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