SLVSGC5B
January 2023 – May 2024
TPS62870
,
TPS62871
,
TPS62872
,
TPS62873
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Description (continued)
5
Device Options
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings_Catalog
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
I2C Interface Timing Characteristics
7.7
Timing Requirements
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Fixed-Frequency DCS Control Topology
8.3.2
Forced PWM and Power Save Modes
8.3.3
Precise Enable
8.3.4
Start-Up
8.3.5
Switching Frequency Selection
8.3.6
Output Voltage Setting
8.3.6.1
Output Voltage Range
8.3.6.2
Output Voltage Setpoint
8.3.6.3
Non-Default Output Voltage Setpoint
8.3.6.4
Dynamic Voltage Scaling
8.3.7
Compensation (COMP)
8.3.8
Mode Selection and Clock Synchronization (MODE/SYNC)
8.3.9
Spread Spectrum Clocking (SSC)
8.3.10
Output Discharge
8.3.11
Undervoltage Lockout (UVLO)
8.3.12
Overvoltage Lockout (OVLO)
8.3.13
Overcurrent Protection
8.3.13.1
Cycle-by-Cycle Current Limiting
8.3.13.2
Hiccup Mode
8.3.13.3
Current Limit Mode
8.3.14
Power Good (PG)
8.3.14.1
Standalone or Primary Device Behavior
8.3.14.2
Secondary Device Behavior
8.3.15
Remote Sense
8.3.16
Thermal Warning and Shutdown
8.3.17
Stacked Operation
8.4
Device Functional Modes
8.4.1
Power-On Reset
8.4.2
Undervoltage Lockout
8.4.3
Standby
8.4.4
On
8.5
Programming
8.5.1
Serial Interface Description
8.5.2
Standard, Fast, Fast Mode Plus Protocol
8.5.3
I2C Update Sequence
8.5.4
I2C Register Reset
9
Register Map
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Selecting the Inductor
10.2.2.2
Selecting the Input Capacitors
10.2.2.3
Selecting the Compensation Resistor
10.2.2.4
Selecting the Output Capacitors
10.2.2.5
Selecting the Compensation Capacitor, CC
10.2.2.6
Selecting the Compensation Capacitor, CC2
10.2.3
Application Curves
10.3
Best Design Practices
10.4
Power Supply Recommendations
10.5
Layout
10.5.1
Layout Guidelines
10.5.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Revision History
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RXS|16
MPQF606D
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsgc5b_oa
slvsgc5b_pm
8
Detailed Description