Datasheet for ADM1178:
- Manufacturer Part Number : ADM1178
- Manufacturer : AD
- Description : Hot Swap Controller and Digital Power Monitor with ALERTB Output
- Series : ADM1178
- Reference Price : USD 2.248
- Our Price : We have a better price, contact us by email
- Product Type : Hot Swap Controllers
- Function : Low Voltage Hot Swap Controllers
- Current Suggest : Production
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : ADM1178
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
Contact us to check the best price and real time inventory quantity for ADM1178. If you need any more information about ADM1178, you can also send us by email. Our email is [email protected], we will reply you in 12 hours.
An internal current sense amplifier measures voltage across the sense resistor in the power path via the VCC pin and the SENSE pin.
The ADM1178 limits the current through this resistor by control-ling the gate voltage (via the GATE pin) of an external N-channel FET in the power path. The voltage across the sense resistor (and therefore the inrush current) is kept below a preset maximum.
The ADM1178 protects the external FET by limiting the time that the maximum current runs through it. This current limit period is set by the value of the capacitor attached to the TIMER pin. Additionally, the device provides protection from overcurrent events that may occur after the hot swap event is complete. In case of a short-circuit event, the current in the sense resistor exceeds an overcurrent trip threshold, and the FET is switched off immediately by pulling down the GATE pin.
A 12-bit ADC can measure the current seen in the sense resistor, as well as the supply voltage on the VCC pin. An alert output can be set to trigger when the ADC current reading exceeds a programmed overcurrent limit threshold.
An industry-standard I2C interface allows a controller to read current and voltage data from the ADC. Measurements can be initiated by an I2C command. Alternatively, the ADC can run continuously, and the user can read the latest conversion data whenever it is required. Up to four unique I2C addresses can be created, depending on how the ADR pin is connected.
The ADM1178 is packaged in a 10-lead MSOP.
Applications
- Power monitoring/power budgeting
- Central office equipment
- Telecommunication and data communication equipment
- PCs/servers
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.
