MAX5913EMH Maxim Integrated Products, MAX5913EMH Datasheet
MAX5913EMH
Related parts for MAX5913EMH
MAX5913EMH Summary of contents
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... Four Independent Power Switch Controllers o Open-Circuit Detector o On-Board Charge Pumps to Drive External N-Channel FETs o Current Sense with External Resistor o Foldback Current Limiting o +32V Input Undervoltage Lockout o On-Chip +12V, 100mA Voltage Relay Drivers PART MAX5913EMH MAX5914EMH TOP VIEW FAULT STAT1 Applications STAT2 STAT3 STAT4 ...
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Quad Hot-Swap Controllers For Power-Over-LAN ABSOLUTE MAXIMUM RATINGS V to AGND or DGND..........................................-0.6V to +76V CC DRAIN_, OUT_ to AGND or DGND................-0. CSP_ to V ..........................................................-0.3V to +0.3V CC GATE_ to OUT_ .....................................................-0.3V to +13V V to ...
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Quad Hot-Swap Controllers For ELECTRICAL CHARACTERISTICS (continued +48V, AGND = DGND = CSP are +48V and T = +25°C.) (Note 3) CC CSP A PARAMETER ...
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Quad Hot-Swap Controllers For Power-Over-LAN ( +48V +3.3V, V CSP CC DD RLY SUPPLY CURRENT vs. INPUT VOLTAGE 4.0 3.8 3 +85° +25°C 3.4 A 3.2 3.0 2.8 ...
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Quad Hot-Swap Controllers For ( +48V +3.3V, V CSP CC DD RLY TURN-ON INTO CAPACITIVE LOAD (C = 0.47µF) L MAX5913/4 toc10 400µs/div RLYON = ...
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Quad Hot-Swap Controllers For Power-Over-LAN ( +48V +3.3V, V CSP CC DD RLY CURRENT-LIMIT FOLDBACK (V = +72V) CC MAX5913/4 toc16 10ms/div RLYON = ...
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Quad Hot-Swap Controllers For ( +48V +3.3V, V CSP CC DD RLY SHORT-CIRCUIT RESPONSE (V = +48V EXPANDED TIME SCALE) CC MAX5913/4 toc22 0 0 40µs/div ON = RLYON = ...
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Quad Hot-Swap Controllers For Power-Over-LAN ( +48V +3.3V, V CSP CC DD RLY SHORT-CIRCUIT RESPONSE (V = +72V, EXPANDED TIME SCALE) CC MAX5913/4 toc28 40µs/div ON = RLYON = ...
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Quad Hot-Swap Controllers For ( +48V +3.3V, V CSP CC DD RLY t vs. INPUT VOLTAGE o 125 100 R = 40kΩ RTIM OPEN R = 2kΩ 25 RTIM ...
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Quad Hot-Swap Controllers For Power-Over-LAN PIN NAME OUT4, OUT3, 8, 12, 21, 25 OUT2, OUT1 GATE4, GATE3, 9, 13, 22, 26 GATE2, GATE1 14 V RLY 15, 16, 18, RLYD3, RLYD4, 19 RLYD1, RLYD2 17, 30 DGND 20 AGND ...
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Quad Hot-Swap Controllers For Detailed Description The MAX5913/MAX5914 quadruple hot-swap controllers provide Power-Over-MDI, also known as Power-Over- LAN systems (Figure 5). The MAX5913/MAX5914 enable control of four external N-channel MOSFET switches from a single V ranging from +35V to ...
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Quad Hot-Swap Controllers For Power-Over-LAN V UVLO GATE + UVLO Figure 1. UVLO Deglitch Delay V IH RLYON GATE +1V t ON_DEL V RLY RLYD (MAX5913) Figure 3. Port Turn-On Delay, ...
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Quad Hot-Swap Controllers For V CC DIGITAL INTERFACE INPUTS +12V +3.3V 1µF 1kΩ DIGITAL INTERFACE OUTPUTS 2kΩ Figure 5. Typical Application Circuit A second comparator with a detection threshold of 3V activates a fast 15mA pulldown of the gate. ...
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Quad Hot-Swap Controllers For Power-Over-LAN CSP 142.5mV FOLDBACK 3mV NL CONTROL R SENSE FROM LOGIC CONTROLLER DRAIN GATE OUT TO LOGIC CONTROLLER OPEN-CIRCUIT DETECTOR OCEN Figure 6. Functional Diagram Internally the circuit compares the output voltage with V to ...
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Quad Hot-Swap Controllers For MAX5913 RLYD_ is opposite to that of the MAX5914. For the MAX5913, upon the assertion of the RLYON_ input RLYD_ sinks 100mA to DGND. For the MAX5914 when RLYON_ is high, an internal 1mA current ...
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Quad Hot-Swap Controllers For Power-Over-LAN threshold current, the open-circuit detector turns off the switch after a 25.6ms delay, FAULT goes low and the Port-OC flag is set for that switch. To clear the switch latched-off condition, FAULT and Port-OC ...
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Quad Hot-Swap Controllers For HIGH-CURRENT PATH MAX5913 MAX5914 Figure 7. Recommended Layout for Kelvin-Sensing Current Through Sense Resistor ______________________________________________________________________________________ Power-Over-LAN I LIM ∆ SENSE I = MAX R SENSE RESISTOR I /3 MAX 0 Figure 8. Foldback ...
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Quad Hot-Swap Controllers For Power-Over-LAN +48V Figure 9. Power Sent Over Signal Pairs RJ45 RJ45 CAT 5 Figure 10. Power Sent Over Spare Pairs 18 ______________________________________________________________________________________ LAN SWITCH N RJ45 +48V CAT 5 OUT MAX5913 DATA MAX5914 +48V POWER ...
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Quad Hot-Swap Controllers For V = +35V TO +72V ON1 ON2 ON3 ON4 RLYON1 DIGITAL RLYON2 INTERFACE RLYON3 INPUTS RLYON4 OCEN RTRYEN STATOUT DC MAX5913 +12V V RLY +3. FAULT STAT1 DIGITAL STAT2 INTERFACE ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 20 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2002 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...