Overview
The TPS53830RWZR is a high-current PMIC (Power Management Integrated Circuit) designed by Texas Instruments for DDR5 on-DIMM power supply applications. This integrated step-down converter is built on a single silicon design, providing multiple output voltages essential for powering DRAM chips on DIMM modules. The device is known for its high current capability, advanced control features, and comprehensive telemetry support.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | VQFN-HR (RWZ), 35-Pin |
| Package Size | 5 mm × 5 mm |
| Operating Temperature Range | -40°C to +125°C |
| Input Voltage Range | 4.5 V to 15 V |
| Output Voltages | VDD (1.1V), VDDQ (1.1V), VPP (1.8V), Optional VDD2 |
| Output Currents (3 Outputs) | VDD: 12 A (Dual Phase), VDDQ: 6 A, VPP: 5 A |
| Output Currents (4 Outputs) | VDD1: 6 A, VDD2: 6 A, VDDQ: 6 A, VPP: 5 A |
| Programmable Frequency | 500 kHz to 1.375 MHz |
| Bus Interface | I2C and I3C |
| Protection Features | Overcurrent, Overvoltage, Over-temperature |
Key Features
- Single silicon design to support DDR5 applications
- 3 Outputs to supply VDD, VDDQ, and VPP, with an optional 4th Output (VDD2)
- Differential remote sense for VDD, VDDQ, and VPP
- D-CAP+™ control for fast transient response
- Programmable internal loop compensation
- Per-phase cycle-by-cycle current limit
- Support for I2C and I3C Bus interface for telemetry of voltage, current, power, temperature, and fault conditions
- Overcurrent, overvoltage, and over-temperature protections
- Persistent register (black box) feature
- Low quiescent current
- Thermally-enhanced 35-pin QFN PowerPad™ package
Applications
The TPS53830RWZR is specifically designed for DDR5 on-DIMM power supply applications, particularly in server environments. It provides the necessary power rails for DRAM chips on DIMM modules, ensuring reliable and efficient operation.
Q & A
- What is the primary application of the TPS53830RWZR?
The TPS53830RWZR is primarily used for DDR5 on-DIMM power supply applications, especially in server environments.
- What are the output voltages and currents provided by the TPS53830RWZR?
The device provides VDD (1.1V), VDDQ (1.1V), and VPP (1.8V) with optional VDD2. The current capabilities are up to 12 A for VDD (dual phase), 6 A for VDDQ, and 5 A for VPP.
- What is the input voltage range of the TPS53830RWZR?
The input voltage range is from 4.5 V to 15 V.
- What are the key protection features of the TPS53830RWZR?
The device includes overcurrent, overvoltage, and over-temperature protections.
- What is the significance of D-CAP+™ control in the TPS53830RWZR?
D-CAP+™ control provides fast transient response, enhancing the device's performance and stability.
- How does the TPS53830RWZR support telemetry?
The device supports I2C and I3C Bus interfaces for telemetry of voltage, current, power, temperature, and fault conditions.
- What is the operating temperature range of the TPS53830RWZR?
The operating temperature range is from -40°C to +125°C.
- What is the package type and size of the TPS53830RWZR?
The device is packaged in a thermally-enhanced 35-pin QFN PowerPad™ package, measuring 5 mm × 5 mm.
- Does the TPS53830RWZR have any persistent register features?
Yes, it includes a persistent register (black box) feature.
- What is the significance of the differential remote sense feature in the TPS53830RWZR?
The differential remote sense feature for VDD, VDDQ, and VPP ensures accurate voltage regulation at the load point.
