SLVSGG8
November 2023
TPS6287B10
,
TPS6287B25
PRODMIX
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
Parameter Measurement Information
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
Transient Non-Synchronous Mode (optional)
8.3.4
Precise Enable
8.3.5
Start-Up
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
8.3.6.5
Droop Compensation
8.3.7
Compensation (COMP)
8.3.8
Mode Selection / 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 / 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
HS-Mode Protocol
8.5.4
I2C Update Sequence
8.5.5
I2C Register Reset
8.5.6
Dynamic Voltage Scaling (DVS)
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
Inductor Selection
9.2.2.2
Selecting the Input Capacitors
9.2.2.3
Selecting the Compensation Resistor
9.2.2.4
Selecting the Output Capacitors
9.2.2.5
Selecting the Compensation Capacitor CC
9.2.2.6
Selecting the Compensation Capacitor CC2
9.2.3
Application Curves
9.3
Typical Application - TPS6287BxV Devices
9.3.1
Design Requirements for TPS6287BxV
9.4
Typical Application Using Two TPS6287B25 in a Stacked Configuration
9.4.1
Design Requirements For Two Stacked Devices
9.4.2
Detailed Design Procedure
9.4.2.1
Selecting the Compensation Resistor
9.4.2.2
Selecting the Output Capacitors
9.4.2.3
Selecting the Compensation Capacitor CC
9.4.3
Application Curves for Two Stacked Devices
9.5
Typical Application Using Three TPS6287B25 in a Stacked Configuration
9.5.1
Application Curves
9.6
Power Supply Recommendations
9.7
Layout
9.7.1
Layout Guidelines
9.7.2
Layout Example
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Device Registers
12
Revision History
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RZV|24
MPQF690A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsgg8_oa
slvsgg8_pm
Data Sheet
TPS6287Bxx
2.7-V to 6-V Input,
10-A,
15-A, 20-A, 25-A, Fast Transient Synchronous Step-Down Converter With I
2
C Interface