SLVSGS7D
July 2023 – June 2024
TPSM8287A06
,
TPSM8287A10
,
TPSM8287A12
,
TPSM8287A15
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Options
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
I2C Interface Timing Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fixed-Frequency DCS-Control Topology
7.3.2
Forced-PWM and Power-Save Modes
7.3.3
Precise Enable
7.3.4
Start-Up
7.3.5
Switching Frequency Selection
7.3.6
Output Voltage Setting
7.3.6.1
Output Voltage Setpoint
7.3.6.2
Output Voltage Range
7.3.6.3
Non-Default Output Voltage Setpoint
7.3.6.4
Dynamic Voltage Scaling (DVS)
7.3.7
Compensation (COMP)
7.3.8
Mode Selection / Clock Synchronization (MODE/SYNC)
7.3.9
Spread Spectrum Clocking (SSC)
7.3.10
Output Discharge
7.3.11
Undervoltage Lockout (UVLO)
7.3.12
Overvoltage Lockout (OVLO)
7.3.13
Overcurrent Protection
7.3.13.1
Cycle-by-Cycle Current Limiting
7.3.13.2
Hiccup Mode
7.3.13.3
Current-Limit Mode
7.3.14
Power Good (PG)
7.3.14.1
Power-Good Standalone, Primary Device Behavior
7.3.14.2
Power-Good Secondary Device Behavior
7.3.15
Remote Sense
7.3.16
Thermal Warning and Shutdown
7.3.17
Stacked Operation
7.4
Device Functional Modes
7.4.1
Power-On Reset (POR)
7.4.2
Undervoltage Lockout
7.4.3
Standby
7.4.4
On
7.5
Programming
7.5.1
Serial Interface Description
7.5.2
Standard-, Fast-, Fast-Mode Plus Protocol
7.5.3
I2C Update Sequence
7.5.4
I2C Register Reset
8
Device Registers
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Selecting the Input Capacitors
9.2.2.2
Selecting the Target Loop Bandwidth
9.2.2.3
Selecting the Compensation Resistor
9.2.2.4
Selecting the Output Capacitors
9.2.2.5
Selecting the Compensation Capacitor, CComp1
9.2.2.6
Selecting the Compensation Capacitor, CComp2
9.2.3
Application Curves
9.3
Typical Application Using Four TPSM8287Axx in Parallel Operation
9.3.1
Design Requirements
9.3.2
Detailed Design Procedure
9.3.2.1
Selecting the Input Capacitors
9.3.2.2
Selecting the Target Loop Bandwidth
9.3.2.3
Selecting the Compensation Resistor
9.3.2.4
Selecting the Output Capacitors
9.3.2.5
Selecting the Compensation Capacitor, CComp1
9.3.2.6
Selecting the Compensation Capacitor, CComp2
9.3.3
Application Curves
9.4
Power Supply Recommendations
9.5
Layout
9.5.1
Layout Guidelines
9.5.2
Layout Example
10
Device and Documentation Support
10.1
Device Support
10.1.1
Third-Party Products Disclaimer
10.2
Documentation Support
10.2.1
Related Documentation
10.3
Receiving Notification of Documentation Updates
10.4
Support Resources
10.5
Trademarks
10.6
Electrostatic Discharge Caution
10.7
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
7
Detailed Description