SLUSDL4
February 2020
TPS59632-Q1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings (1)
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
Switching Characteristics
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
PWM Operation
7.3.2
Current Sensing
7.3.3
Load-line (Droop)
7.3.4
Load Transients
7.3.5
Overshoot Reduction (OSR)
7.3.6
Undershoot Reduction (USR)
7.3.7
Autobalance Current Sharing
7.3.8
PWM And SKIP Signals
7.3.9
Bias Power (V5A, VDD, And VINTF) UVLO
7.3.10
Start-Up Sequence
7.3.11
Power Good Operation
7.3.12
Analog Current Monitor, IMON, And Corresponding Digital Output Current
7.3.13
Fault Behavior
7.3.14
Output Under Voltage Protection (UVP)
7.3.15
Output Over Voltage Protection (OVP)
7.3.16
Over Current Protection (OCP)
7.3.17
Over Current Warning
7.3.18
Input Voltage Limits
7.3.19
VID Table
7.4
User Selections
7.5
I2C Interface Operation
7.5.1
Key For Protocol Examples
7.5.2
Protocol Examples
7.6
I2C Register Maps
7.6.1
Voltage Select Register (VSR) (Address = 00h)
7.6.2
IMON Register (Address = 03h)
7.6.3
VMAX Register (Address = 04h)
7.6.4
Power State Register (Address = 06h)
7.6.5
Slew Register (Address = 07h)
7.6.6
Lot Code Registers (Address = 10-13h)
7.6.7
Fault Register (Address = 14h)
8
Applications and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
3-Phase D-CAP+™, Step-Down Application
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Step 1: Select Switching Frequency
8.2.1.2.2
Step 2: Set The Slew Rate
8.2.1.2.3
Step 3: Set The I2C Address
8.2.1.2.4
Step 4: Determine Inductor Value And Choose Inductor
8.2.1.2.5
Step 5: Current Sensing Resistance
8.2.1.2.6
Step 6: Select Over Current Protection (OCP) Setting
8.2.1.2.7
Step 7: Current Monitor (IMON) Setting
8.2.1.2.8
Step 8: Set the Load-Line Slope
8.2.1.2.9
Step 9: Voltage Feedback Resistor Calculation
8.2.1.2.10
Step 10: Ramp Compensation Selection
8.2.1.2.11
Step 11 Overshoot Reduction (OSR) selection
8.2.1.2.12
Step 12: Undershoot Reduction (USR) selection
8.2.1.2.13
Step 13: Loop Compensation
8.2.1.3
Application Performance Plots
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Current Sensing Lines
10.4
Feedback Voltage Sensing Lines
10.5
PWM And SKIP Lines
10.6
Power Chain Symmetry
10.7
Component Location
10.8
Grounding Recommendations
10.9
Decoupling Recommendations
10.10
Conductor Widths
11
Device and Documentation Support
11.1
Documentation Support
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
12.1
Package Option Addendum
Package Options
Mechanical Data (Package|Pins)
RHB|32
MPQF130D
Thermal pad, mechanical data (Package|Pins)
RHB|32
QFND591
Orderable Information
slusdl4_oa
slusdl4_pm
7.3
Feature Description