Datasheet for ADM1075-2ARUZ:
- Manufacturer Part Number : ADM1075-2ARUZ
- Manufacturer : AD
- Description : −48 V Hot Swap Controller and Digital Power Monitor with PMBus Interface IC
- Series : ADM1075
- Reference Price : USD 3.992
- 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 : 28-Lead TSSOP (4.4mm x 9.7mm)
- Pins : 28
- MFG Package Case : RU-28
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 50
- Working Temperature : -40 to 85C
- Other Part Number : ADM1075-2ARUZ
- 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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The ADM1075 is a full feature, negative voltage, hot swap controllerwith constant power foldback and high accuracy digital currentand voltage measurement that allows boards to be safely insertedand removed from a live -48 V backplane. The part providesprecise and robust current limiting and protection against bothtransient and nontransient short circuits and overvoltage andundervoltage conditions. The ADM1075 typically operates froma negative voltage of -35 V to -80 V and, due to shunt regulation,has excellent voltage transient immunity. The operating range ofthe part is flexible due to the shunt regulator, and the part can bepowered directly by a 10 V rail to save shunt power dissipation(see the Powering the ADM1075 section for more details).
A full-scale current limit of 25 mV or 50 mV can be selected bychoosing the appropriate model. The maximum current limit isset by the combination of the sense resistor, RSENSE, and the inputvoltage on the ISET pin, using external resistors. This allows finetuning of the trip voltage so that standard sense resistors can beused. Inrush current is limited to this programmable value bycontrolling the gate drive of an external N-channel FET. A builtinsoft start function allows control of the inrush current profile byan external capacitor on the soft start (SS) pin.
Refer to the datasheet for more information.
PRODUCT HIGHLIGHTS
- Constant Power Foldback.
Maximum FET power set by a PLIM resistor divider. This eases complexity when designing to maintain FET SOA. - Adjustable Current Limit.
The current limit is adjustable via the ISET pin allowing for the use of a standard value sense resistor. - 12-Bit ADC.
Accurate voltage, current, and power measurements. Also enables calculation of energy consumption over time. - PMBus Interface.
PMBus fast mode compliant interface used to read back status and data registers and set warning and fault limits. - Fault Recording.
Latched status registers provide useful debugging information to help trace faults in high reliability systems. - Built-In Soft Start.
Soft start capacitor controls inrush current profile with di/dt control.
APPLICATIONS
- Telecommunication and data communication equipment
- Central office switching
- -48 V distributed power systems
- Negative power supply control
- High availability servers
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.
