SLDS206E
November 2014 – February 2021
TPS65218
PRODUCTION DATA
1
Features
2
Applications
3
Description
3.1
Simplified Schematic
4
Revision History
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
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Wake-Up and Power-Up and Power-Down Sequencing
7.3.1.1
Power-Up Sequencing
7.3.1.2
Power-Down Sequencing
7.3.1.3
Strobe 1 and Strobe 2
7.3.1.4
Supply Voltage Supervisor and Power-Good (PGOOD)
7.3.1.5
Backup Supply Power-Good (PGOOD_BU)
7.3.1.6
Internal LDO (INT_LDO)
7.3.1.7
Current Limited Load Switches
7.3.1.7.1
Load Switch 1 (LS1)
7.3.1.7.2
Load Switch 2 (LS2)
7.3.1.7.3
Load Switch 3 (LS3)
7.3.1.8
LDO1
7.3.1.9
Coin Cell Battery Voltage Acquisition
7.3.1.10
UVLO
7.3.1.11
Power-Fail Comparator
7.3.1.12
Battery-Backup Supply Power-Path
7.3.1.13
DCDC3 and DCDC4 Power-Up Default Selection
7.3.1.14
I/O Configuration
7.3.1.14.1
Configuring GPO2 as Open-Drain Output
7.3.1.14.2
Using GPIO3 as Reset Signal to DCDC1 and DCDC2
7.3.1.15
Push Button Input (PB)
7.3.1.15.1
Signaling PB-Low Event on the nWAKEUP Pin
7.3.1.15.2
Push Button Reset
7.3.1.16
AC_DET Input (AC_DET)
7.3.1.17
Interrupt Pin (INT)
7.3.1.18
I2C Bus Operation
7.4
Device Functional Modes
7.4.1
Modes of Operation
7.4.2
OFF
7.4.3
ACTIVE
7.4.4
SUSPEND
7.4.5
RESET
7.5
Register Maps
8
Application and Implementation
8.1
Application Information
8.1.1
Applications Without Backup Battery
8.1.2
Applications Without Battery Backup Supplies
8.2
Typical Application
8.2.1
Detailed Design Procedure
8.2.1.1
Output Filter Design
8.2.1.2
Inductor Selection for Buck Converters
8.2.1.3
Output Capacitor Selection
8.2.2
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RSL|48
MPQF193A
PHP|48
MPQF051B
Thermal pad, mechanical data (Package|Pins)
RSL|48
QFND155N
PHP|48
PPTD319A
Orderable Information
slds206e_oa
slds206e_pm
7.2
Functional Block Diagram