2.7V to 18V, 6A Integrated Hot-Swap/Electronic Circuit Breaker
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Catalog excerpts

2.7V to 18V, 6A Integrated Hot-Swap/Electronic Circuit Breaker - 1

2.7V to 18V, 6A Integrated Hot-Swap/Electronic Circuit Breaker General Description The MAX15096/MAX15096A/MAX15096D ICs are integrated solutions for hot-swap applications requiring the safe insertion and removal of circuit line cards from a live backplane. They can also be used as electronics circuit breaker for hard drive and solid-state drive and fans. The devices integrate a hot-swap controller, 12mΩ (typ) power MOSFET, and an electronic circuit-breaker protection in a single package. The devices are designed for protection of 2.7V to 18V supply voltages. These devices implement a foldback current limit during startup to control inrush current, lowering di/dt and keeping the MOSFET operating under safe operating area (SOA) conditions. After the startup cycle is complete, on-chip comparators provide VariableSpeed/ BiLevel™ protection against short-circuit and overcurrent faults, and immunity against system noise and load transients. The load is disconnected in the event of a fault condition. The devices are factory calibrated to deliver accurate overcurrent protection with ±10% accuracy. During a fault condition, PG goes low and the devices latch off (MAX15096) or automatic retry (MAX15096A); the output could also be discharged after a fault event (MAX15096D). The devices feature an IN-to-OUT short-circuit detection before startup. The devices provide a power-MOSFET GATE pin to program the slew rate during startup by adding an external capacitor. The devices have an undervoltage/overvoltage input pin (UVOV) that can detect an undervoltage/overvoltage fault and disconnect the IN from the OUT. Additional features include internal overtemperature protection and a power-good output (PG). The devices are available in a 16-bump, 2mm x 2mm wafer-level package (WLP) and are rated over the -40°C to +105°C extended temperature range. Ordering Information appears at end of data sheet. VariableSpeed/BiLevel is a trademark of Maxim Integrated Products, Inc. ●● 2.7V to 18V Operating Voltage Range ●● 12mΩ (typ) Internal Power MOSFET ●● 6A (typ) Load-Current Capability ●● ±10% Circuit-Breaker Threshold Accuracy ●● Programmable Inrush Current Control Under SOA Operation ●● Adjustable Circuit-Breaker Current/Current-Limit Threshold ●● Programmable Slew-Rate Control ●● Variable-Speed Circuit-Breaker Response ●● Thermal Protection ●● Programmable Overvoltage Protection and Undervoltage-Lockout Threshold ●● Latchoff or Automatic Retry Options ●● Drive Present Signal Input ●● Enable Input (EN) ●● IN-to-OUT Short-Circuit Detection ●● Open-Drain PG Output ●● Output Discharge After a Fault Event (MAX15096D Only) ●● Programmable Additional Delay (2μs max) to FastComparator Response Time Through External Resistor on TIMER Pin Blade Servers Server I/O Cards RAID Systems Disk Drive Power Storage Applications Industrial Applications

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2.7V to 18V, 6A Integrated Hot-Swap/Electronic Circuit Breaker - 2

2.7V to 18V, 6A Integrated Hot-Swap/ Electronic Circuit Breaker Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Electrical Characteristics (VIN = VCC = 2.7V to 18V, TA = TJ = -40°C to +105°C, unless otherwise noted. Typical values are at VIN = 12V,...

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2.7V to 18V, 6A Integrated Hot-Swap/Electronic Circuit Breaker - 3

2.7V to 18V, 6A Integrated Hot-Swap/ Electronic Circuit Breaker Electrical Characteristics (continued) (VIN = VCC = 2.7V to 18V, TA = TJ = -40°C to +105°C, unless otherwise noted. Typical values are at VIN = 12V, RCB = 10.5kΩ, and TA = +25°C.) (Note 2) PARAMETER Fast-Comparator Response Time Additional Delay Time by TIMER Minimum CB Voltage Reference During Foldback (Note 6) Maximum CB Voltage Reference During Foldback (Note 6) Slow-Comparator Response Time (Note 5) CB Source Current Maximum Current Limit During Startup Fast-Comparator Threshold tSCD ITHCB_NORM ILIM TIMING Startup Maximum...

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2.7V to 18V, 6A Integrated Hot-Swap/Electronic Circuit Breaker - 4

2.7V to 18V, 6A Integrated Hot-Swap/ Electronic Circuit Breaker Electrical Characteristics (continued) (VIN = VCC = 2.7V to 18V, TA = TJ = -40°C to +105°C, unless otherwise noted. Typical values are at VIN = 12V, RCB = 10.5kΩ, and TA = +25°C.) (Note 2) PARAMETER INPUTS Input Logic Threshold EN Input Logic Threshold PRSNT Threshold Hysteresis PRSNT EN Bias Current PRSNT Input Bias Current EN Deglitch Time PRSNT High-to-Low Deglitch Time VPRSNT_TH_HYS Rising IEN_BIAS IPRSNT_BIAS THERMAL SHUTDOWN Thermal Shutdown Thermal Shutdown Hysteresis Note 2: All devices are 100% production tested at TA...

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2.7V to 18V, 6A Integrated Hot-Swap/Electronic Circuit Breaker - 5

2.7V to 18V, 6A Integrated Hot-Swap/ Electronic Circuit Breaker Typical Operating Characteristics (VIN = VCC = 2.7V to 18V, TA = TJ = -40°C to +85°C, unless otherwise noted. Typical values are at VIN = 12V, RCB = 10.5kΩ, and TA = +25°C.) CIRCUIT BREAKER THRESHOLD vs. TEMPERATURE toc03 CIRCUIT BREAKER THRESHOLD vs. CIRCUIT BREAKER REISISTANCE toc02 CIRCUIT BREAKER THRESHOLD (A) CIRCUIT BREAKER THRESHOLD (A) SUPPLY CURRENT vs. TEMPERATURE FAULT-SHUTDOWN WAVEFORMS OVERLOAD (SLOW TRIP) toc07 UV TURN-OFF WAVEFORMS toc06 CGATE = 5.6nF VUV

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2.7V to 18V, 6A Integrated Hot-Swap/Electronic Circuit Breaker - 6

2.7V to 18V, 6A Integrated Hot-Swap/ Electronic Circuit Breaker Typical Operating Characteristics (continued) (VIN = VCC = 2.7V to 18V, TA = TJ = -40°C to +85°C, unless otherwise noted. Typical values are at VIN = 12V, RCB = 10.5kΩ, and TA = +25°C.) UV RISING/FALLING THRESHOLD VOLTAGE vs. TEMPERATURE FAULT-SHUTDOWN WAVEFORMS OVERLOAD (SHORT CIRCUIT) UV RISING/FALLING THRESHOLD VOLTAGE (V) CIRCUIT BREAKER THRESHOLD TIME vs. OVERCURRENT FAST COMPARATOR DELAY vs. TEMPERATURE toc13 3.0 FAST COMPARATOR DELAY(µs) CIRCUIT BREAKER THRESHOLD TIME (ms) AUTORETRY FUNCTIONALITY OUTPUT DISCHARGE...

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2.7V to 18V, 6A Integrated Hot-Swap/Electronic Circuit Breaker - 7

2.7V to 18V, 6A Integrated Hot-Swap/ Electronic Circuit Breaker TOP VIEW (BUMP SIDE DOWN) 1 Bump Description BUMP Timing Input. Connect a resistor from TIMER to GND to program the maximum time the part is allowed to remain in current limit. See the TIMER section. If TIMER is not connected, the parasitic capacitance between TIMER and GND must be less than 10pF. Undervoltage and Overvoltage Threshold Pin. UVOV sets the under/overvoltage threshold. See the Setting the Undervoltage/Overvoltage Threshold section. Current-Limit Threshold Set. Connect a resistor from CB to GND to set the...

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