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MAX15093

更新时间: 2024-11-05 14:57:35
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亚德诺 - ADI /
页数 文件大小 规格书
14页 631K
描述
具有电流报告输出的2.7V至18V、15A、热插拔解决方案

MAX15093 数据手册

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EVALUATION KIT AVAILABLE  
MAX15093/MAX15093A  
2.7V to 18V, 15A, Hot-Swap Solution  
with Current Report Output  
General Description  
Benefits and Features  
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.  
● 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  
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.  
R
SENSE  
Thermal Protection  
● Flexibility Enables Use in Many Unique Designs  
2.7V to 18V Operating Voltage Range  
Adjustable Circuit-Breaker Current/Current-Limit  
Threshold  
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.  
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  
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.  
Ordering Information and Recommended Application  
Circuit for Hot-Swap Applications appear at end of  
data sheet.  
Typical Application Circuit  
12V  
IN OUT  
6 x 10µF  
TVS  
1µF  
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.  
GATE  
10  
V
5600pF  
12V  
CC  
17.8kΩ  
MAX15093  
UV MAX15093A  
100kΩ  
100kΩ  
CB  
PG  
Applications  
REG  
FAULT  
ISENSE  
523kΩ  
1.78kΩ  
40.2kΩ  
1µF  
● RAID Systems  
● Storage Bridge Bay  
● Disk Drive Power  
● Server I/O Cards  
Industrial  
A/D  
CONVERTER  
536Ω  
OV  
CDLY  
TIMEOUT  
GND  
VariableSpeed/BiLevel is a trademark of Maxim Integrated  
Products, Inc.  
19-8688; Rev 4; 3/21  

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