SLVS613D
October 2005 – December 2015
TPS65021
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Description (continued)
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Electrical Characteristics: Supply Pins VCC, VINDCDC1, VINDCDC2, VINDCDC3
7.7
Electrical Characteristics: Supply Pins VBACKUP, VSYSIN, VRTC, VINLDO
7.8
Electrical Characteristics: VDCDC1 Step-Down Converter
7.9
Electrical Characteristics: VDCDC2 Step-Down Converter
7.10
Electrical Characteristics: VDCDC3 Step-Down Converter
7.11
Timing Requirements
7.12
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
VRTC Output and Operation With or Without Backup Battery
8.3.2
Step-Down Converters, VDCDC1, VDCDC2, and VDCDC3
8.3.3
Power Save Mode Operation
8.3.4
Low-Ripple Mode
8.3.5
Soft-Start
8.3.6
100% Duty Cycle Low-Dropout Operation
8.3.7
Active Discharge When Disabled
8.3.8
Power-Good Monitoring
8.3.9
Low-Dropout Voltage Regulators
8.3.10
Undervoltage Lockout
8.3.11
Power-Up Sequencing
8.4
Device Functional Modes
8.5
Programming
8.5.1
System Reset + Control Signals
8.5.1.1
DEFLDO1 and DEFLDO2
8.5.1.2
Interrupt Management and the INT Pin
8.5.2
Serial Interface
8.6
Register Maps
8.6.1
VERSION Register Address: 00h (Read Only)
8.6.2
PGOODZ Register Address: 01h (Read Only)
8.6.3
MASK Register Address: 02h (Read and Write), Default Value: C0h
8.6.4
REG_CTRL Register Address: 03h (Read and Write), Default Value: FFh
8.6.5
CON_CTRL Register Address: 04h (Read and Write), Default Value: B1h
8.6.6
CON_CTRL2 Register Address: 05h (Read and Write), Default Value: 40h
8.6.7
DEFCORE Register Address: 06h (Read and Write), Default Value: 14h/1Eh
8.6.8
DEFSLEW Register Address: 07h (Read and Write), Default Value: 06h
8.6.9
LDO_CTRL Register Address: 08h (Read and Write), Default Value: Set With DEFLDO1 and DEFLDO2
9
Application and Implementation
9.1
Application Information
9.1.1
Input Voltage Connection
9.1.2
Unused Regulators
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Inductor Selection for the DC-DC Converters
9.2.2.2
Output Capacitor Selection
9.2.2.3
Input Capacitor Selection
9.2.2.4
Output Voltage Selection
9.2.2.5
VRTC Output
9.2.2.6
LDO1 and LDO2
9.2.2.7
TRESPWRON
9.2.2.8
VCC Filter
9.2.3
Application Curves
10
Power Supply Recommendations
10.1
Requirements for Supply Voltages below 3.0 V
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.2
Community Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RHA|40
MPQF135D
Thermal pad, mechanical data (Package|Pins)
RHA|40
QFND047R
Orderable Information
slvs613d_oa
slvs613d_pm