Overview
The TPS51716RUKT is a highly integrated power management IC (PMIC) developed by Texas Instruments, designed specifically for DDR2, DDR3, DDR3L, and LPDDR3 memory systems. This component combines a synchronous buck controller (VDDQ), a 2A sink/source tracking LDO (VTT), and a buffered low-noise reference (VTTREF) in a compact 20-pin QFN package. Its advanced features and compact design make it ideal for space-constrained applications requiring efficient and reliable power management.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 3 to 28 | V | |
| Output Current (VDDQ) | Up to 20 | A | |
| Output Current (VTT) | 2 | A | Sink/Source |
| Switching Frequency | 500 or 670 | kHz | |
| Operating Temperature | -40 to 85 | °C | |
| Package | QFN-20 | 3mm x 3mm |
Key Features
- Integrated synchronous buck controller for VDDQ.
- 2A sink/source tracking LDO for VTT.
- Buffered low-noise reference for VTTREF.
- Supports ceramic output capacitors without external compensation.
- High-precision VTTREF tracking (0.8% accuracy).
- Flexible power state control with soft shutdown.
- Comprehensive protection features including OCP, OVP, UVP, UVLO, and thermal shutdown.
Applications
The TPS51716RUKT is widely used in applications requiring efficient power management for DDR memory systems. Its primary applications include:
- Industrial Automation: Provides reliable power for memory modules in control systems and PLCs.
- Consumer Electronics: Ideal for laptops, desktops, and other devices with DDR memory.
- Automotive Electronics: Ensures stable power for infotainment and ADAS systems.
- Networking Equipment: Supports high-performance memory in routers, switches, and servers.
Q & A
1. What is the input voltage range of the TPS51716RUKT?
The input voltage range is 3V to 28V.
2. What is the maximum output current for VDDQ?
The maximum output current for VDDQ is up to 20A.
3. Does the TPS51716RUKT support ceramic capacitors?
Yes, it supports ceramic output capacitors without requiring external compensation.
4. What is the accuracy of VTTREF tracking?
The VTTREF tracking accuracy is 0.8%.
5. What protection features are included?
It includes OCP, OVP, UVP, UVLO, and thermal shutdown protection.
6. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
7. What is the package size of the TPS51716RUKT?
It comes in a 3mm x 3mm QFN-20 package.
8. Can the TPS51716RUKT be used in automotive applications?
Yes, it is suitable for automotive electronics, including infotainment and ADAS systems.
9. What is the switching frequency of the device?
The switching frequency is either 500kHz or 670kHz.
10. Does the TPS51716RUKT support soft shutdown?
Yes, it supports soft shutdown for VDDQ, VTT, and VTTREF in S4/S5 states.
