Overview
The ADM1068ASTZ-REEL7, produced by Analog Devices Inc., is a highly configurable supervisory and sequencing device. This component, part of the Super Sequencer® family, offers a comprehensive single-chip solution for supply monitoring and sequencing in multiple supply systems. It is designed to manage and monitor up to eight different power supplies, making it an essential component in complex power management systems.
The device features a state-machine-based sequencing engine that allows for up to 63 different states, enabling highly flexible sequencing of outputs based on input conditions. Configuration data can be programmed into an EEPROM using an intuitive GUI-based software package provided by Analog Devices.
Key Specifications
Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
---|---|---|---|---|---|
VH, VPx Supply Voltage | 3.0 V | - | 14.4 V (VH), 6.0 V (VPx) | V | Minimum supply required on one of the VH, VPx pins |
VDDCAP Regulated LDO Output | 2.7 V | 4.75 V | 5.4 V | V | Regulated LDO output |
Operating Temperature | -40°C | - | +85°C | °C | - |
Package Type | - | - | - | - | 32-LQFP (7x7) |
Key Features
- Configurable Supervisory and Sequencing: The ADM1068 allows for the monitoring and sequencing of up to eight power supplies with programmable inputs and outputs.
- State-Machine-Based Sequencing Engine: Supports up to 63 different states, enabling flexible sequencing based on input conditions.
- Programmable Inputs and Outputs: Eight programmable inputs for monitoring undervoltage, overvoltage, or out-of-window faults, and eight programmable outputs that can serve as logic enables or drive the gate of an N-FET.
- Digital Logic Inputs: The VXx input pins can also function as TTL-/CMOS-compatible digital logic inputs, allowing for additional control signals such as RESET, PWRGD, and fault flags.
- Glitch Filtering and Edge Detection: Features glitch filtering and edge detection capabilities to handle spurious transitions and logic level changes.
- EEPROM Programmability: Configuration data can be programmed into an EEPROM using a GUI-based software package provided by Analog Devices).
Applications
The ADM1068 is suitable for a variety of applications that require complex power supply management and sequencing. These include:
- Data Centers and Cloud Infrastructure: For managing multiple power supplies in server systems and data storage equipment.
- Telecommunications Equipment: For sequencing and monitoring power supplies in telecom switches, routers, and other network equipment.
- Industrial Control Systems: For managing power supplies in industrial automation and control systems.
- Medical Devices: For ensuring reliable power supply sequencing in medical equipment.
Q & A
- What is the primary function of the ADM1068?
The primary function of the ADM1068 is to provide a configurable supervisory and sequencing solution for managing multiple power supplies in complex systems.
- How many power supplies can the ADM1068 monitor and sequence?
The ADM1068 can monitor and sequence up to eight different power supplies.
- What is the operating temperature range of the ADM1068?
The operating temperature range of the ADM1068 is from -40°C to +85°C.
- What type of package does the ADM1068 come in?
The ADM1068 comes in a 32-LQFP (7x7) package.
- Can the ADM1068 be programmed?
Yes, the ADM1068 can be programmed using an EEPROM and a GUI-based software package provided by Analog Devices.
- What is the purpose of the VXx input pins?
The VXx input pins have dual functionality, serving as both analog inputs for monitoring power supplies and digital logic inputs for control signals.
- Does the ADM1068 support glitch filtering?
Yes, the ADM1068 features glitch filtering to ignore spurious transitions on the inputs.
- How many programmable outputs does the ADM1068 have?
The ADM1068 has eight programmable outputs that can serve as logic enables or drive the gate of an N-FET.
- What is the typical regulated LDO output voltage of the ADM1068?
The typical regulated LDO output voltage of the ADM1068 is 4.75 V.
- Can the ADM1068 detect edge transitions on inputs?
Yes, the ADM1068 can detect edge transitions on inputs and generate a pulse of programmable width in response.