MAX15093
2.7V to 18V, 15A, Hot-Swap Solution with Current Report Output
15A Hot-Swap Solution with Current Report
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Overview
Features and Benefits
- Integration Reduces Solution Size for Blade Servers and Other Space-Constrained Designs
- Integrated 3.8mΩ (typ) Internal Power MOSFET Overvoltage Protection
- Power-Good and Fault Outputs
- Programmable Undervoltage Lockout
- Current Reporting Without Need for External RSENSE
- Thermal Protection
- Flexibility Enables Use in Many Unique Designs
- 2.7V to 18V Operating Voltage Range
- Adjustable Circuit-Breaker Current/Current-Limit Threshold
- Programmable Slew-Rate Control
- Variable-Speed Circuit-Breaker Response
- Latchoff (MAX15093) or Automatic Retry (MAX15093A) Options
- Safety Features Ensure Accurate, Robust Protection
- 15A Continuous Load Current Capability
- ±10% Circuit-Breaker Threshold Accuracy
- Inrush Current Regulated at Startup with Foldback
- Implementation for di/dt Control
- IN-to-OUT Short-Circuit Detection
Product Details
The MAX15093/MAX15093A ICs are integrated solutions for hot-swap applications requiring the safe insertion and removal of circuit-line cards from a live backplane. The devices integrate a hot-swap controller, 3.8mΩ power MOSFET, and an electronic circuit-breaker protection in a single package.
The devices integrate an accurate current-sense circuitry and provide 160µA/A of proportional output current. 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 keep 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, the MAX15093 latches off, while the MAX15093A enters autoretry mode.
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 overvoltage/undervoltage input pins that can detect an overvoltage/undervoltage fault and disconnect the IN from the OUT. Additional features include internal overtemperature protection, power-good output, and fault-indicator output.
The MAX15093/MAX15093A ICs are available in a 40-bump, 2.57mm x 4.03mm, power wafer-level package (WLP) and are rated over the -40°C to +105°C extended temperature range.
Applications
- Disk Drive Power
- Industrial
- RAID Systems
- Server I/O Cards
- Storage Bridge Bay
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Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (2)
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Models for the following parts are available in LTspice:
MAX15093
MAX15093A
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.