Overview
The ADM1060ARUCS0402R7 is a programmable supervisory/sequencing device produced by Analog Devices Inc. This IC is designed to provide a single-chip solution for multiple power supply fault detection and sequencing in communications systems. It is particularly useful in central offices, servers, and other infrastructure systems where multiple power supplies are required to power different sections of a board.
The device ensures that the system powers up and down in an ordered fashion, preventing damage, miscommunication, or latch-up. It can be powered by either a high voltage supply or one of the positive voltage supplies, whichever is highest, to maintain functionality during supply failures.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| VH (High Voltage Supply) | 2 V | - | 14.4 V | V | - |
| VPn (Positive Voltage Supplies) | 2 V | - | 6 V | V | - |
| VBn (Positive/Negative Voltage Supplies) | +2 V to +6 V | - | -2 V to -6 V | V | - |
| Watchdog Detector Timeout | 200 ms | - | 12.8 sec | - | Programmable |
| Operating Temperature | -40°C | - | +85°C | °C | - |
| Package Type | - | - | 28-TSSOP | - | - |
Key Features
- Fault detection on 7 independent supplies, including one high voltage supply, four positive low voltage supplies, and two bipolar voltage supplies.
- Programmable logic block for combinatorial and sequencing logic control of all inputs and outputs.
- Nine programmable output drivers with various configurations (open collector, open collector with internal pull-up, fast internal pull-up, and internally charge-pumped high drive).
- 256 bytes of user EEPROM and an industry-standard 2-wire bus interface (SMBus).
- Watchdog detector input with programmable timeout delay.
- Four general-purpose logic inputs.
Applications
- Central office systems
- Servers
- Infrastructure network boards
- High density, multivoltage system cards
The ADM1060 is particularly useful in systems that require multiple power supplies to be sequenced in a specific order to prevent damage or miscommunication.
Q & A
- What is the primary function of the ADM1060ARUCS0402R7?
The primary function is to provide supervisory and sequencing capabilities for multiple power supplies in communications systems.
- How many independent supplies can the ADM1060 detect faults on?
The device can detect faults on 7 independent supplies.
- What types of voltage supplies can the ADM1060 monitor?
The device can monitor one high voltage supply, four positive low voltage supplies, and two bipolar voltage supplies.
- What is the range of the watchdog detector timeout?
The watchdog detector timeout is programmable from 200 ms to 12.8 seconds.
- What type of package does the ADM1060ARUCS0402R7 come in?
The device comes in a 28-TSSOP package.
- Does the ADM1060 have any EEPROM capabilities?
Yes, it has 256 bytes of user EEPROM.
- What interface does the ADM1060 use for communication?
The device uses an industry-standard 2-wire bus interface (SMBus).
- What are some common applications of the ADM1060?
Common applications include central office systems, servers, infrastructure network boards, and high density, multivoltage system cards.
- How does the ADM1060 ensure reliable fault flag assertion during supply failures?
The device is powered by either the high voltage supply or one of the positive voltage supplies, whichever is highest, to keep it alive during supply failures.
- Can the ADM1060 be programmed to detect specific voltage conditions?
Yes, the device can be programmed to detect undervoltage, overvoltage, or out-of-window (undervoltage or overvoltage) conditions.
