Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Sequencer |
| NumberofVoltagesMonitored | 8 |
| Voltage-Threshold | Adjustable/Selectable |
| Reset | Active Low |
| ResetTimeout | 2µs Minimum |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 32-VFQFN Exposed Pad |
Overview
Description
UCD9081RHBR refers to a specific model of power supply sequencer and monitor used in electronic systems to manage power sequencing and monitoring tasks. It is produced by Texas Instruments, a leading manufacturer of semiconductors and electronic components. The UCD9081RHBR is designed to provide precision control over multiple power supply rails in complex systems, such as those used in telecommunications, data centers, and advanced computing applications.
The device enables users to configure power-up and power-down sequences for up to eight voltage rails, ensuring that each rail is powered at the correct time and in the correct order. This capability is crucial in preventing damage to sensitive components that might occur if power sequencing is not managed properly.
In addition to sequencing, the UCD9081RHBR offers monitoring features that include over-voltage, under-voltage, and over-current detection, providing an added layer of protection and system reliability. Its programmability and flexibility make it a valuable tool in designing robust power management solutions.
For specific technical details and implementation guidance, it is advised to consult the datasheet provided by Texas Instruments.
The device enables users to configure power-up and power-down sequences for up to eight voltage rails, ensuring that each rail is powered at the correct time and in the correct order. This capability is crucial in preventing damage to sensitive components that might occur if power sequencing is not managed properly.
In addition to sequencing, the UCD9081RHBR offers monitoring features that include over-voltage, under-voltage, and over-current detection, providing an added layer of protection and system reliability. Its programmability and flexibility make it a valuable tool in designing robust power management solutions.
For specific technical details and implementation guidance, it is advised to consult the datasheet provided by Texas Instruments.
Equivalent
The UCD9081RHBR is a power supply sequencer and monitor. Equivalent products may include:
1. ADM1066 by Analog Devices: A programmable supervisory/sequencing device that performs similar functions.
2. LM3880 by Texas Instruments: A simple power sequencer with less complexity.
3. MAX16054 by Maxim Integrated: A low-voltage, 4-channel power-supply sequencer.
4. LTC2924 by Analog Devices (formerly Linear Technology): Quad Power Supply Sequencer.
Ensure compatibility with your specific application requirements before selecting an alternative.
1. ADM1066 by Analog Devices: A programmable supervisory/sequencing device that performs similar functions.
2. LM3880 by Texas Instruments: A simple power sequencer with less complexity.
3. MAX16054 by Maxim Integrated: A low-voltage, 4-channel power-supply sequencer.
4. LTC2924 by Analog Devices (formerly Linear Technology): Quad Power Supply Sequencer.
Ensure compatibility with your specific application requirements before selecting an alternative.
Features
The UCD9081RHBR is a power supply sequencer and monitor from Texas Instruments. It is typically used in systems requiring the management and supervision of multiple power rails. Key features include:
1. Sequencing Capability: It manages up to 8 power supply rails, allowing users to program sequences for powering up and down.
2. Monitoring: The device monitors voltage and current levels on each power rail, ensuring they remain within specified limits.
3. Fault Management: It provides fault logging and management, helping to detect and respond to power supply issues.
4. Programmability: The device is programmable via I2C/SMBus, allowing customization of sequencing, thresholds, and other parameters.
5. Compact Package: It comes in a VQFN package, which is space-efficient for integration into various designs.
6. Flexibility: It supports cascading, allowing for management of more than 8 rails when needed.
These features make the UCD9081RHBR suitable for complex electronic systems requiring reliable and flexible power management solutions.
1. Sequencing Capability: It manages up to 8 power supply rails, allowing users to program sequences for powering up and down.
2. Monitoring: The device monitors voltage and current levels on each power rail, ensuring they remain within specified limits.
3. Fault Management: It provides fault logging and management, helping to detect and respond to power supply issues.
4. Programmability: The device is programmable via I2C/SMBus, allowing customization of sequencing, thresholds, and other parameters.
5. Compact Package: It comes in a VQFN package, which is space-efficient for integration into various designs.
6. Flexibility: It supports cascading, allowing for management of more than 8 rails when needed.
These features make the UCD9081RHBR suitable for complex electronic systems requiring reliable and flexible power management solutions.
Pinout
The UCD9081RHBR is a power supply sequencer and monitor manufactured by Texas Instruments. It is typically housed in a 32-pin VQFN package. The main functions of the UCD9081 are to sequence and monitor multiple power rails in electronic systems. It can monitor up to 8 voltage rails and control their sequencing, ensuring that power is applied and removed in the correct order. This is crucial for complex systems where specific power-up and power-down sequences are necessary to prevent damage to components.
The UCD9081 provides programmable threshold monitoring for each voltage rail and includes fault logging and reporting capabilities. It is often used in applications where reliable power management is needed, such as in telecommunications, data centers, and other high-reliability systems. Its compact size and advanced functionality make it suitable for space-constrained applications.
The UCD9081 provides programmable threshold monitoring for each voltage rail and includes fault logging and reporting capabilities. It is often used in applications where reliable power management is needed, such as in telecommunications, data centers, and other high-reliability systems. Its compact size and advanced functionality make it suitable for space-constrained applications.
Manufacturer
The UCD9081RHBR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components, with a strong focus on analog and embedded processing products. TI is well-known for its innovative solutions in various sectors, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is recognized for its commitment to quality and reliability, providing essential components that power a variety of electronic devices worldwide.
Application
The UCD9081RHBR is a power management integrated circuit (PMIC) primarily used for sequencing and monitoring power supplies in complex electronic systems. It is commonly applied in telecommunications, networking equipment, servers, data centers, and industrial automation systems. Its main function is to sequence multiple power rails and ensure they power up and down in the correct order, thereby protecting sensitive electronic components. Additionally, it offers features like voltage monitoring, fault management, and system health telemetry, making it ideal for use in robust and reliable power management solutions.
Package
The UCD9081RHBR is a PMIC (Power Management IC) with a specific package type described as VQFN (Very Thin Quad Flat No-Lead) with 20 pins, also known as RHB package. This package type offers a compact size suitable for space-constrained applications.
