MAX8536EUA+ by Analog Devices

ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies

Status: Active
Series: MAX8536
RoHS: Unknown
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Critical loads often employ parallel-connected power supplies with redundancy in order to enhance system reliability. The MAX8535/MAX8536/MAX8585 are highly integrated but inexpensive MOSFET controllers that provide isolation and redundant power capability in high-reliability systems. The MAX8535/MAX8585 are used in 12V systems, and have an internal charge pump to drive the gates of the n-channel pass elements to VCC + 10V. The MAX8536 is used in 3.3V and 5V systems, with a chargepump output of VCC + 5V. During startup, the MAX8535/MAX8536/MAX8585 monitor the voltage drop across external MOSFETs. Once VCC approaches or exceeds the bus voltage, the MOSFETs are turned on. The MAX8535/MAX8536/MAX8585 feature a dual-purpose TIMER input. A single external resistor from TIMER to ground sets the turn-on speed of the external MOSFETs. Optionally, the TIMER input can be used as a logic-enable pin. Once the device is turned on, the MAX8535/MAX8536/MAX8585 monitor the load, protecting against overvoltage, undervoltage, and reverse-current conditions. Overvoltage and undervoltage fault thresholds are adjustable and can be disabled. The current-limit trip points are set by the external MOSFETs' RDS(ON), reducing component count. An open-drain logic-low fault output indicates if an overvoltage, undervoltage, or reverse-current fault occurs. All devices come in a space-saving 8-pin µMAX® package and are specified over the extended -40°C to +85°C temperature range.

Prices starting from US$4.22


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Logo for element14 element14 US$4.22
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Logo for Newark Electronics Newark Electronics -
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Features

Simple, Integrated, and Inexpensive ORing MOSFET Controller
ORing MOSFET Drive for 12V (MAX8535/MAX8585) and 3.3V or 5V (MAX8536) Bus
Eliminates ORing Diode Power Dissipation and Reverse Leakage Current
Provides N + 1 Redundant Supply Capability for Highly Reliable Systems
Isolates Failed Supply from Output Bus in <1µs
Reverse-Current Flow Detection
Programmable Soft-Start
Logic-Enable Input
Adjustable Overvoltage and Undervoltage Trip Points
Fault-Indicator Output
Space-Saving 8-Pin µMAX Package

Specifications

Reverse Current Protect. Yes
Under Voltage Protect Yes
Charge Pump Cap. Yes
Soft Start Yes
Enable Yes
Fault Indicator Yes
Package/Pins UMAX/8
Oper. Temp. (°C) -40 to +85
BudgetaryPrice (See Notes) 2.79


MAX8536EUA+ - Integrated Circuits by Analog Devices

ORING MOSFET CONTROLLER UMAX-8

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

Specifications

IC Function ORing MOSFET Controller
Supply Voltage Min 3V
Supply Voltage Max 5.5V
IC Package Type µMAX
No. of Pins 8Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

ORING MOSFET CONTROLLER, UMAX-8 | Farnell
Oring Mosfet Controller, 5.5V, Umax-8 | Newark Electronics

Frequently Asked Questions

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Is the MAX8536EUA+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including element14, Farnell and Newark Electronics have stock available or on a lead time for MAX8536EUA+ .

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