Datasheet for LTC4282IUH#PBF:
- Manufacturer Part Number : LTC4282IUH#PBF
- Manufacturer : AD
- Description : High Current Hot Swap Controller with I2C Compatible Monitoring IC
- Series : LTC4282
- Reference Price : USD 5.24
- Our Price : We have a better price, contact us by email
- Product Type : Hot Swap Controllers
- Function : Low Voltage Hot Swap Controllers
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP)
- Pins : 32
- MFG Package Case : 05-08-1693
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 73
- Working Temperature : -40 to 85C
- Other Part Number : LTC4282IUH#PBF
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Allows Safe Board Insertion Into Live Backplane
- 12-/16-Bit ADC with ±0.7% Total Unadjusted Error
- Monitors Current, Voltage, Power and Energy
- Controls Two Parallel N-Channel MOSFETs for SOA Sharing in High Current Applications
- Internal EEPROM for Nonvolatile Configuration
- Wide Operating Voltage Range: 2.9V to 33V
- I2C/SMBus Digital Interface (Coexists with PMBus Devices)
- 12V Gate Drive for Lower MOSFET RDS(ON)
- Programmable Current Limit with 2% Accuracy
- MOSFET Power Limiting with Current Foldback
- Continuously Monitors MOSFET Health
- Stores Minimum and Maximum Measurements
- Alerts When Alarm Thresholds Exceeded
- Input Overvoltage and Undervoltage Protection
- Internal ±5% or External Timebases
- 32-Pin 5mm × 5mm QFN Package
- AEC-Q100 Qualified for Automotive Applications
The LTC4282 hot swap controller allows a board to be safely inserted and removed from a live backplane. Using one or more external N-channel pass transistors, board supply voltage and inrush current are ramped up at an adjustable rate. An I2C interface and onboard ADC allows for monitoring of board current, voltage, power, energy and fault status.
The device features analog foldback current limiting and supply monitoring for applications from 2.9V to 33V. Dual 12V gate drive allows high power applications to either share safe operating area across parallel MOSFETs or support a 2-stage start-up that first charges the load capacitance followed by enabling a low on-resistance path to the load.
The LTC4282 is well suited to high power applications because the precise monitoring capability and accurate current limiting reduce the extremes in which both loads and power supplies must safely operate. Non-volatile configuration allows for flexibility in the autonomous generation of alerts and response to faults.
Applications
- Enterprise Servers and Data Storage Systems
- Network Routers and Switches
- Base Stations
- Platform Management
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
