The MAX8535 evaluation (EV) kit circuit demonstrates
the functionality of the MAX8535 ORing MOSFET controller
that provides redundancy and fault isolation to
highly reliable power systems. The MAX8535 EV kit
board operates in 12V systems.
During startup, the EV kit monitors the voltage difference
between a power supply and a power bus. Once
the voltage difference is less than 0.4V, the MAX8535
turns on two ORing MOSFETs, linking the power supply
and power bus. Once the MOSFETs are on, the EV kit
monitors the load current and voltages to protect
against undervoltage (UVP), overvoltage (OVP), and
reverse-current fault conditions.
The OVP and UVP thresholds are adjustable and can
be disabled. The UVP threshold is set to 8V and the
OVP threshold is set to 13.75V. A FAULT-bar signal output
is provided for circuit monitoring.
Key Features
Applications/Uses
Fault Power-Supply Isolation for 12V Bus
Eliminates ORing Diode Power Dissipation
Reverse-Current Detection
Adjustable Undervoltage Threshold
(Configured to 8V)
Adjustable Overvoltage Threshold
(Configured to 13.7V)
FAULT-bar Output Status Indicator
Adjustable Soft-Start
Up to 20A of Load Current
Surface-Mount Construction
Fully Assembled and Tested
Network/Telecom Power Supplies
On-Board Redundant Power Supplies in Blade Servers
Rectifiers
Redundant Power Supplies in High-Availability Systems
* Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
Devices:
1-1 of 1
MAX8535EVKIT
Free Sample
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Status
Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
Temp
RoHS/Lead-Free? Materials Analysis
MAX8535EVKIT
Active
Land Pattern: Not Available
See data sheet
Related Products
MAX8535, MAX8536, MAX8585 ORing MOSFET Controllers with Fastest Fault Isolation for Redundant Power Supplies
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