Overview
The UCD90320UZWSR device, produced by Texas Instruments, is a 32-rail PMBus™ addressable power sequencer and system manager. It is packaged in a compact 0.8-mm pitch BGA package, making it suitable for applications requiring precise power sequencing and monitoring. The device integrates 24 voltage rails and 8 digital rails, providing comprehensive control and monitoring capabilities. It features ultra-low alpha (ULA) mold compound to reduce soft errors caused by alpha particles and includes single event upset (SEU) detection for enhanced reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Package | NFBGA (ZWS) - 169 pins |
| Operating Temperature Range (°C) | -40 to 85 |
| Supply Voltage (min) (V) | 3.15 |
| Supply Voltage (max) (V) | 3.63 |
| Number of Sequenced Outputs | 32 |
| Number of Supplies Monitored | 32 |
| Iq (typ) (mA) | 31.4 |
| Junction-to-Ambient Thermal Resistance (°C/W) | 41.6 |
Key Features
- Sequence, monitor, and margin 24 voltage rails plus 8 digital rails.
- Monitor and respond to OV, UV, OC, UC, temperature, time-out, and GPI-triggered faults.
- Flexible sequence-on and off dependencies, delay time, Boolean logic, and GPIO configuration to support complex sequencing applications.
- Four rail profiles for adaptive voltage identification (AVID) voltage regulator.
- High-accuracy closed-loop margining and active trim function to improve rail output voltage accuracy.
- Advanced nonvolatile event logging, including single-event fault log, peak value log, and black box fault log.
- Easily cascade up to 4 power sequencers and take coordinated fault responses.
- Programmable watchdog timer and system reset.
- Pin-selected rail states feature to control up to eight user-defined power states, aligning with ACPI specification for system low-power modes.
- Ultra-low alpha (ULA) mold compound and single event upset (SEU) detection for enhanced reliability.
Applications
- Industrial and Automated Test Equipment (ATE).
- Telecom and networking equipment.
- Servers and storage systems.
- Systems requiring sequencing and monitoring of multiple power rails.
Q & A
- What is the UCD90320UZWSR device?
The UCD90320UZWSR is a 32-rail PMBus™ addressable power sequencer and system manager produced by Texas Instruments.
- What type of package does the UCD90320UZWSR come in?
The device is packaged in a compact 0.8-mm pitch BGA package with 169 pins.
- What is the operating temperature range of the UCD90320UZWSR?
The operating temperature range is -40°C to 85°C.
- How many voltage rails can the UCD90320UZWSR sequence and monitor?
The device can sequence and monitor 24 voltage rails and 8 digital rails.
- What features does the UCD90320UZWSR have for fault detection and logging?
The device includes advanced nonvolatile event logging, single-event fault log, peak value log, and black box fault log to assist system debugging.
- Can the UCD90320UZWSR be cascaded with other devices?
Yes, the device can be cascaded up to 4 power sequencers and take coordinated fault responses.
- What software is used to configure and monitor the UCD90320UZWSR?
The TI Fusion Digital Power™ designer software is used to configure, store, and monitor all system operating parameters.
- What are some of the reliability features of the UCD90320UZWSR?
The device features ultra-low alpha (ULA) mold compound and single event upset (SEU) detection to enhance reliability.
- What are some common applications for the UCD90320UZWSR?
Common applications include industrial and ATE, telecom and networking equipment, servers, and storage systems.
- How does the UCD90320UZWSR support system low-power modes?
The device supports system low-power modes through its pin-selected rail states feature, aligning with the ACPI specification.
