Overview
The ADM1060ARUCS0704, produced by Analog Devices Inc., is a programmable supervisory/sequencing device designed to provide a single-chip solution for multiple power supply fault detection and sequencing in communications systems. This device 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 ADM1060 facilitates the sequencing and fault detection of up to seven independent power supplies, ensuring that critical sections of the board power up in the correct order to avoid damage, miscommunication, or latch-up.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| VDDCAP | 2.7 | - | 5.1 | V | VPn ≥ 3.0 V, VH ≥ 4.75 V |
| VH | 4.75 | - | 14.4 | V | - |
| VPn | 3.0 | - | 6.0 | V | - |
| Timeout Delay | 200 ms | - | 12.8 sec | - | Programmable |
| Logic Inputs | - | - | 5.5 | V | Input high voltage |
| EEPROM Endurance | - | - | 100,000 cycles | - | 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), and 2 positive/negative voltage supplies (+2 V to +6 V and –2 V to –6 V).
- Watchdog detector input with programmable timeout delay from 200 ms to 12.8 seconds.
- 4 general-purpose logic inputs configurable as logic buffers or to detect positive/negative edges and generate logic pulses or levels.
- Programmable logic block for combinatorial and sequencing logic control of all inputs and outputs.
- 9 programmable output drivers with various configurations: open collector, open collector with internal pull-up, fast internal pull-up, and internally charge-pumped high drive for external N-channel FETs.
- 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 ADM1060? The ADM1060 is a programmable supervisory/sequencing device for multiple power supply fault detection and sequencing in communications systems.
- How many independent power supplies can the ADM1060 monitor? The ADM1060 can monitor up to 7 independent power 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 ADM1060 has 9 programmable output drivers, including open collector, open collector with internal pull-up, fast internal pull-up, and internally charge-pumped high drive for external N-channel FETs.
- Does the ADM1060 have any memory for user data? Yes, the ADM1060 includes 256 bytes of user EEPROM.
- What is the interface used for the EEPROM on the ADM1060? The EEPROM 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.
- Can the ADM1060 detect faults on both positive and negative voltage supplies? Yes, the ADM1060 can detect faults on both positive and negative voltage supplies.
- Is the ADM1060 programmable for different timeout delays? Yes, the watchdog detector input has a programmable timeout delay from 200 ms to 12.8 seconds.
- What is the endurance of the EEPROM on the ADM1060? The EEPROM has an endurance of 100,000 cycles as per JEDEC Std. 22 method A117.
