Overview
The ADM1060ARUCS0701R7, produced by Analog Devices Inc., is a programmable supervisory/sequencing device designed to manage multiple power supply fault detection and sequencing in complex systems. This device is particularly useful in central office systems, servers, and infrastructure network boards where multiple power supplies are required. It ensures that different sections of the board power up in a specific order to prevent damage, miscommunication, or latch-up.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| VH (High Voltage Supply) | 2 V | - | 14.4 V | V | - |
| VPn (Positive Voltage Only Supplies) | 2 V | - | 6 V | V | - |
| VBn (Positive/Negative Voltage Supplies) | +2 V | - | +6 V / -2 V | V | - |
| Watchdog Detector Timeout | 200 ms | - | 12.8 sec | - | Programmable |
| Operating Temperature | -40°C | - | +85°C | °C | - |
| VDDCAP | 2.7 V | - | 5.1 V | V | Any VPn ≥ 3.0 V, VH ≥ 4.75 V |
Key Features
- Fault detection on 7 independent supplies: 1 high voltage supply, 4 positive voltage only supplies, and 2 positive/negative voltage supplies.
- Watchdog detector input with programmable timeout delay from 200 ms to 12.8 seconds.
- 4 general-purpose logic inputs.
- Programmable logic block for combinatorial and sequencing logic control of all inputs and outputs.
- 9 programmable output drivers with various configurations (open collector, internal pull-up, etc.).
- 256 bytes of user EEPROM.
- Industry-standard 2-wire bus interface (SMBus).
- Internally charge-pumped high drive for use with external N-channel FETs.
Applications
- Central office systems.
- Servers.
- Infrastructure network boards.
- High density, multivoltage system cards.
Q & A
- What is the primary function of the ADM1060ARUCS0701R7?
The primary function is to provide a single-chip solution for multiple power supply fault detection and sequencing in communications systems.
- How many independent supplies can the ADM1060 detect faults on?
The device can detect faults on 7 independent supplies.
- What is the range of the high voltage supply (VH)?
The range of the high voltage supply (VH) is from 2 V to 14.4 V.
- What types of output drivers are available on the ADM1060?
The device offers 9 programmable output drivers with configurations such as open collector, internal pull-up, and internally charge-pumped high drive.
- Does the ADM1060 support any industry-standard interfaces?
Yes, it supports an industry-standard 2-wire bus interface (SMBus).
- What is the purpose of the watchdog detector input?
The watchdog detector input is used to monitor a processor clock and can be programmed to detect if the clock does not toggle within a specified time.
- How much user EEPROM is available on the ADM1060?
The device includes 256 bytes of user EEPROM.
- What are some common applications of the ADM1060?
Common applications include central office systems, servers, infrastructure network boards, and high density, multivoltage system cards.
- What is the operating temperature range of the ADM1060?
The operating temperature range is from -40°C to +85°C.
- Can the ADM1060 be powered from multiple supplies?
Yes, the device can be powered from either the VH supply or one of the VPn supplies, whichever is highest, to ensure it remains operational during supply failures.
