Datasheet for LTC4284IUHG#TRPBF:
- Manufacturer Part Number : LTC4284IUHG#TRPBF
- Manufacturer : AD
- Description : High Power Negative Voltage Hot Swap Controller with Energy Monitor IC
- Series : LTC4284
- Reference Price : USD 6.392
- Our Price : We have a better price, contact us by email
- Product Type : Hot Swap Controllers
- Function : High Voltage Hot Swap Controllers
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 44-Lead QFN (5mm x 8mm x 0.75mm w/ EP)
- Pins : 44
- MFG Package Case : 05-08-1581
- Part Type : REEL
- Standard Packing Type : Reel
- Standard Packing Quantity : 2500
- Working Temperature : -40 to 85C
- Other Part Number : LTC4284IUHG#TRPBF
- 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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- Drives Two Gates for High Power Applications
- Configurable Parallel, Staged Start or Single Modes
- Protects MOSFET with SOA Timer
- Programmable 15mV to 30mV Current Limit Sense Voltage with 2% Accuracy and Adjustable Foldback
- 8-Bit to 16-Bit Gear-Shift ADC with 0.5% Accuracy
- Monitors Voltages, Currents, Power and Energy
- Nonvolatile Configuration and Fault Recording
- Floating Topology for Rugged High Voltage Operation
- Selectable Inrush Control: dV/dt or Current Limit
- I2C/SMBus or Single-Wire Broadcast Interfaces
- Min/Max ADC Measurement Logging with Alerts
- Reboots on I2C Command with Programmable Delay
- Adjustable Input UV/OV Thresholds and Hysteresis
- 44-Pin 5mm × 8mm QFN Package
The LTC4284 negative voltage hot swap controller drives external N-channel MOSFETs to allow a board to be safely inserted and removed from a live backplane. The dual-gate, multi-mode drivers optimize the MOSFET safe operating area (SOA) for a variety of power levels. The SOA timer limits MOSFET temperature rise for reliable protection against overstresses.
An I2C interface and onboard gear-shift ADC allow monitoring of board current, voltage, power, energy, and fault status. An available single-wire broadcast mode simplifies the interface by eliminating two isolators. The included EEPROM provides black-box capturing and nonvolatile configuration of fault behavior.
Additional features respond to input UV/OV, interrupt the host when a fault has occurred, notify when output power is good, detect insertion of a board, turn off the MOSFETs if an external supply monitor fails to indicate power good within a timeout period, and auto-reboot after a programmable delay following a host commanded turn-off.
Applications
- Telecom Infrastructure
- –48V Distributed Power Systems
- Servers and Data Centers
- Power Monitors
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.
