Overview
The ADM1060ARUCS0303R7, produced by Analog Devices Inc., is a programmable supervisory/sequencing device designed to manage multiple power supply fault detection and sequencing in communications systems. This integrated circuit is particularly useful in central offices, servers, and other infrastructure systems where multiple voltage supplies are required. It ensures that different sections of a board power up in a specific sequence to avoid damage, miscommunication, or latch-up.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| VDDCAP | 2.7 | 2.7 | V | Any VPn ≥ 3.0 V, VH ≥ 4.75 V | |
| VDDCAP | 4.75 | 5.1 | 5.1 | V | Any VPn = 6.0 V, VH = 14.4 V |
| Operating Temperature | -40 | 85 | °C | ||
| EEPROM Endurance | 100,000 cycles | As per JEDEC Std. 22 method A117 | |||
| EEPROM Retention Lifetime | Equivalent at junction temperature (TJ) = 55°C as per JEDEC Std. 22 method A117 |
Key Features
- Fault detection on 7 independent supplies:
- 1 high voltage supply (2 V to 14.4 V)
- 4 positive voltage only supplies (2 V to 6 V)
- 2 positive/negative voltage supplies (+2 V to +6 V and –2 V to –6 V)
- Watchdog detector input with timeout delay programmable from 200 ms to 12.8 sec
- 4 general-purpose logic inputs configurable as logic buffers or edge detectors
- Programmable logic block for combinatorial and sequencing logic control of all inputs and outputs
- 9 programmable output drivers with various configurations:
- Open collector (external resistor required)
- Open collector with internal pull-up to VDD
- Fast internal pull-up to VDD
- Open collector with internal pull-up to VPn
- Fast internal pull-up to VPn
- Internally charge-pumped high drive (for use with external N-channel FETs—PDOs 1 to 4 only)
- 256 bytes of user EEPROM with industry-standard 2-wire bus interface (SMBus)
Applications
- Central office systems
- Servers
- Infrastructure network boards
- High density, multivoltage system cards
Q & A
- What is the primary function of the ADM1060ARUCS0303R7?
The primary function is to manage 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 that the ADM1060 can detect?
The high voltage supply range is from 2 V to 14.4 V.
- What types of output drivers are available on the ADM1060?
The device features 9 programmable output drivers with various configurations including open collector, internal pull-up, and internally charge-pumped high drive.
- What is the purpose of the watchdog detector input?
The watchdog detector input is used to monitor system activity and assert a fail flag if the system fails to reset within a programmable timeout period.
- How much EEPROM is available on the ADM1060?
The device includes 256 bytes of user EEPROM.
- What interface does the ADM1060 use for EEPROM access?
The ADM1060 uses an industry-standard 2-wire bus interface (SMBus) for EEPROM access.
- In what types of systems is the ADM1060 typically used?
The ADM1060 is typically used in central office systems, servers, infrastructure network boards, and high density, multivoltage system cards.
- Can the ADM1060 be programmed to handle specific sequencing requirements?
Yes, the ADM1060 includes a programmable logic block for combinatorial and sequencing logic control of all inputs and outputs.
- What is the operating temperature range of the ADM1060?
The operating temperature range is from -40°C to +85°C.
