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Updated at 17/06/2025 10:30:15(UTC+8)
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Description
- Product Details
- The ADM1176 is an integrated hot swap controller that offers digital current and voltage monitoring via an on-chip, 12-bit analog-to-digital converter (ADC), communicated through an I2C interface.
- An internal current sense amplifier senses voltage across the sense resistor in the power path via the VCC pin and the SENSE pin.
- The ADM1176 limits the current through this resistor by control-ling the gate voltage of an external N-channel FET in the power path, via the GATE pin. The sense voltage (and, therefore, the inrush current) is kept below a preset maximum.
- The ADM1176 protects the external FET by limiting the time that it spends with maximum current running through it. This current limit period is set by the choice of capacitor attached to the TIMER pin. Additionally, the device provides protection from overcurrent events that may occur once the hot swap event is complete. In the 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 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 16 unique I2C addresses can be created, depending on the way the A0 and A1 pins are connected.
- The ADM1176 is packaged in a 10-lead MSOP.
- **Applications**
- Power monitoring/power budgeting
- Central office equipment
- Telecommunication and data communication equipment
- PCs/servers
- ### Features and Benefits
- Allows safe board insertion and removal from a live backplane
- Controls supply voltages from 3.15 V to 16.5 V
- Precision current sense amplifier
- Precision voltage input
- 12-bit ADC for current and voltage readback
- Charge pumped gate drive for external N-channel FET
- I2C fast mode-compliant interface (400 kHz maximum)
- Adjustable analog current limit with circuit breaker
- ±3% accurate hot swap current limit level
- Fast response limits peak fault current
- Automatic retry or latch-off on current fault
- Programmable hot swap timing via TIMER pin
- Active-high ON pin
- 2 address pins allow 16 devices on the same bus
- 10-lead MSOP
ADM1176 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Case/Package | LEAD-10 |
| Show | |
| Product Lifecycle Status | Active |
Order guide
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- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
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