SLVSEU9D
November 2018 – January 2021
TPS63802
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Description (continued)
6
Device Comparison Table
7
Pin Configuration and Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Control Loop Description
9.3.2
Precise Device Enable: Threshold- or Delayed Enable
9.3.3
Mode Selection (PFM/PWM)
9.3.4
Undervoltage Lockout (UVLO)
9.3.5
Soft Start
9.3.6
Adjustable Output Voltage
9.3.7
Overtemperature Protection - Thermal Shutdown
9.3.8
Input Overvoltage - Reverse-Boost Protection (IVP)
9.3.9
Output Overvoltage Protection (OVP)
9.3.10
Power-Good Indicator
9.4
Device Functional Modes
9.4.1
Peak-Current Mode Architecture
9.4.1.1
Reverse Current Operation, Negative Current
9.4.1.2
Boost Operation
9.4.1.3
Buck-Boost Operation
9.4.1.4
Buck Operation
9.4.2
Power Save Mode Operation
9.4.2.1
Current Limit Operation
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
Custom Design With WEBENCH® Tools
10.2.2.2
Inductor Selection
10.2.2.3
Output Capacitor Selection
10.2.2.4
Input Capacitor Selection
10.2.2.5
Setting The Output Voltage
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Device Support
13.1.1
Third-Party Products Disclaimer
13.1.2
Development Support
13.1.2.1
Custom Design With WEBENCH® Tools
13.2
Documentation Support
13.2.1
Related Documentation
13.3
Receiving Notification of Documentation Updates
13.4
Support Resources
13.5
Trademarks
13.6
Electrostatic Discharge Caution
13.7
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DLA|10
MPQF499C
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvseu9d_oa
slvseu9d_pm
1
Features
Input voltage range: 1.3 V to 5.5 V
Device input voltage > 1.8 V for start-up
Output voltage range: 1.8 V to 5.2 V (adjustable)
2-A output current for V
I
≥ 2.3 V, V
O
= 3.3 V
High efficiency over the entire load range
11-µA operating quiescent current
Power save mode and mode selection for forced PWM-mode
Peak current buck-boost mode architecture
Defined transition points between buck, buck-boost, and boost operation modes
Forward and reverse current operation
Start-up into pre-biased outputs
Safety and robust operation features
Integrated soft start
Overtemperature- and overvoltage-protection
True shutdown function with load disconnect
Forward and backward current limit
Small solution size of 21.5 mm
2
Tiny SON/DFN package (similar to QFN)
Small 0.47-µH inductor
Works with a 22-µF minimum output capacitor
Create a custom design using the TPS63802 with the
WEBENCH®
Power Designer