SLVSH51A
July 2023 – January 2025
TPS631012
,
TPS631013
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Rating
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Undervoltage Lockout (UVLO)
7.3.2
Enable and Soft Start
7.3.3
Device Enable (EN)
7.3.4
Output Voltage Control
7.3.5
Mode Selection (PFM/FPWM)
7.3.6
Output Discharge
7.3.7
Reverse Current Operation
7.3.8
Protection Features
7.3.8.1
Input Overvoltage Protection
7.3.8.2
Output Overvoltage Protection
7.3.8.3
Short Circuit Protection/Hiccup
7.3.8.4
Thermal Shutdown
7.4
Device Functional Modes
7.5
Programming
7.5.1
Serial Interface Description
7.5.2
Standard-, Fast-, and Fast-Mode Plus Protocol
7.5.3
I2C Update Sequence
7.6
Register Map
7.6.1
Register Description
7.6.1.1
Register Map
7.6.1.2
Register CONTROL1 (Register address: 0x02; Default: 0x08)
7.6.1.3
Register VOUT (Register address: 0x03; Default: 0x5C)
7.6.1.4
Register CONTROL2 (Register address: 0x05; Default: 0x45)
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Inductor Selection
8.2.2.2
Output Capacitor Selection
8.2.2.3
Input Capacitor Selection
8.2.2.4
Setting the Output Voltage
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Third-Party Products Disclaimer
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
11.1
Mechanical Data
Package Options
Mechanical Data (Package|Pins)
YBG|8
MXBG432
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsh51a_oa
1
Features
1.6V to 5.5V input voltage range
Device input voltage > 1.65V for start-up
1.0V to 5.5V output voltage range(adjustable)
High output current capability, 3A peak switch current
2A I
OUT
for V
IN
≥ 3V, V
OUT
= 3.3V
1.5A I
OUT
for V
IN
≥ 2.7V, V
OUT
= 3.3V
High efficiency over the entire load range
8μA typical quiescent current
Automatic power save mode and forced PWM mode configurable
Peak current buck-boost mode architecture
Seamless mode transition
Forward and reverse current operation
Start-up into pre-biased outputs
Fixed-frequency operation with 2MHz switching
Safety and robust operation features
Overcurrent protection and short-circuit protection
Integrated soft start with active ramp adoption
Overtemperature protection and overvoltage protection
True shutdown function with load disconnection
Forward and backward current limit
Default setting of internal EN
TPS631012 and TPS631012X(X=1,2,3): CONVERTER_EN = 0
TPS631013: CONVERTER_EN = 1
Small solution size
Small 1µH inductor
1.803mm × 0.905mm in WCSP