Overview
The TPS51100DGQG4 is a 3-A sink/source tracking termination regulator manufactured by Texas Instruments. This power management IC is specifically designed for low-cost and low-external component count systems where space is a premium. It is widely used in DDR memory applications, supporting DDR, DDR2, DDR3, DDR3L, and LPDDR3 memory types. The device is available in a 10-pin MSOP PowerPAD™ package and is specified for operation from -40°C to 85°C.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Current | 3 | A | Sink/Source |
| Input Voltage Range | 1.2 to 3.6 | V | |
| Output Voltage Range | 0.6 | V | VTT and VTTREF |
| Operating Temperature | -40 to 85 | °C | |
| Quiescent Current | 0.5 | mA | Typical |
| Package | MSOP-10 | PowerPAD™ |
Key Features
- 3-A sink/source tracking termination regulator
- Supports DDR, DDR2, DDR3, DDR3L, and LPDDR3 memory types
- Integrated sleep-state controls (Hi-Z in S3, soft-off in S5)
- Remote sensing functions for accurate voltage regulation
- Requires only 20 μF of ceramic output capacitance
Applications
The TPS51100DGQG4 is primarily used in DDR memory applications, providing efficient and reliable power management for VTT bus termination. It is suitable for systems where space and cost are critical factors, such as in consumer electronics, industrial automation, and automotive electronics. The device's fast transient response and low external component count make it ideal for compact and high-performance designs.
Q & A
1. What is the output current capability of the TPS51100DGQG4?
The TPS51100DGQG4 can handle up to 3 A of sink/source current.
2. What is the input voltage range for this device?
The input voltage range is from 1.2 V to 3.6 V.
3. What types of DDR memory does this IC support?
It supports DDR, DDR2, DDR3, DDR3L, and LPDDR3 memory types.
4. What is the operating temperature range?
The device operates from -40°C to 85°C.
5. What package does the TPS51100DGQG4 come in?
It is available in a 10-pin MSOP PowerPAD™ package.
6. Does this IC support remote sensing?
Yes, it supports remote sensing functions for accurate voltage regulation.
7. What is the quiescent current of the TPS51100DGQG4?
The typical quiescent current is 0.5 mA.
8. What is the output voltage range?
The output voltage range is 0.6 V for VTT and VTTREF.
9. What are the sleep-state controls supported by this device?
It supports Hi-Z in S3 (suspend to RAM) and soft-off in S5 (suspend to disk).
10. How much output capacitance is required?
Only 20 μF of ceramic output capacitance is required.
