SLUSDW9A June 2020 – June 2020 TPS51215A
PRODUCTION DATA.
- 1 Features
- 2 Applications
- 3 Description
- 4 Revision History
- 5 Pin Configuration and Functions
- 6 Specifications
-
7 Detailed Description
- 7.1 Overview
- 7.2 Functional Block Diagram
- 7.3
Feature Description
- 7.3.1 Switch Mode Power Supply Control
- 7.3.2 VREF, V0, V1, V2, V3 and Output Voltage
- 7.3.3 Soft-Start and Power Good
- 7.3.4 SLEW and VID Function
- 7.3.5 MODE Pin Configuration
- 7.3.6 Light-Load Operation
- 7.3.7 Out-of-Bound Operation
- 7.3.8 Current Sensing and Overcurrent Protection
- 7.3.9 Overvoltage and Undervoltage Protection
- 7.3.10 V5IN Undervoltage Lockout Protection
- 7.3.11 Thermal Shutdown
- 7.4 D-CAP2 Control Mode
- 8 Application and Implementation
-
9 Typical Applications
- 9.1 Design Requirements
- 9.2
Detailed Design Procedure
- 9.2.1 Step One: Determine the Specifications
- 9.2.2 Step Two: Determine System Parameters
- 9.2.3 Step Three: Determine Inductor Value and Choose Inductor
- 9.2.4 Step Four: Set the Output Voltages
- 9.2.5 Step Five: Calculate SLEW Capacitance
- 9.2.6 Step Six
- 9.2.7 Step Seven: Determine the Output Capacitance
- 9.2.8 Step Eight: Select Decoupling and Peripheral Components
- 9.3 Application Examples
- 9.4 Application Curves of Design 1
- 10Power Supply Recommendations
- 11Layout
- 12Device and Documentation Support
- 13Mechanical, Packaging, and Orderable Information
9.3.2 Design 2: 2-Bit VID, ICC(max) = 10 A, for VCCIO_1_2 in Intel RocketLake - S platform
Figure 15. Application Circuit for Design 2 Table 3. VID Table for Design 2
| VID1 | VID0 | OUTPUT VOLTAGE (V) |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 1 | Not Used |
| 1 | 0 | Not Used |
| 1 | 1 | 1.0 |
Table 4. List of Materials for Design 2
| REFERENCE
DESIGNATOR |
QTY | SPECIFICATION | MANUFACTURER | PART
NUMBER |
|---|---|---|---|---|
| CIN (not shown) | 3 | 10 µF, 25 V | TDK | C3216X5R1V106M160AB |
| COUT_MLCC | 6 | 22 µF, 6.3 V | Murata | GRM21BR60J226ME39L |
| LOUT | 1 | 0.47 µH, 25 A,2.9 mΩ | Cyntec | CMLE063T-R47MS-68 |
| Q1 Q2 | 1 | 30 V, 45A | Texas Instruments | CSD87355Q5D |