PIFE32251B-R47MS datasheet(4/96 Pages) TI1

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TPS65094

SWCS133C – SEPTEMBER 2015 – REVISED FEBRUARY 2019

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Revision History

Table of Contents

Device Overview

......................................... 1

1.1

Features

.............................................. 1

1.2

Applications

........................................... 1

1.3

Description

............................................ 1

1.4

Functional Block Diagram

............................ 3

Revision History

......................................... 4

Device Options

........................................... 6

3.1

OTP Comparison

..................................... 6

Pin Configuration and Functions

..................... 7

Specifications

........................................... 11

5.1

Absolute Maximum Ratings

......................... 11

5.2

ESD Ratings

........................................ 11

5.3

Recommended Operating Conditions

............... 12

5.4

Thermal Information

................................. 12

5.5

Electrical Characteristics: Total Current

Consumption

........................................ 12

5.6

Electrical Characteristics: Reference and Monitoring

System

.............................................. 13

5.7

Electrical Characteristics: Buck Controllers

......... 14

5.8

Electrical Characteristics: Synchronous Buck

Converters

........................................... 18

5.9

Electrical Characteristics: LDOs

.................... 21

5.10

Electrical Characteristics: Load Switches

........... 25

5.11

Digital Signals: I2C Interface

........................ 26

5.12

Digital Input Signals (LDOLS_EN, SWA1_EN,

THERMTRIPB, PMICEN, SLP_S3B, SLP_S4B,

SLP_S0B)

........................................... 26

5.13

Digital Output Signals (IRQB, RSMRSTB,

PCH_PWROK, PROCHOT)

......................... 26

5.14

Timing Requirements

............................... 26

5.15

Switching Characteristics

........................... 27

5.16

Typical Characteristics

.............................. 28

Detailed Description

................................... 29

6.1

Overview

............................................ 29

6.2

Functional Block Diagram

........................... 30

6.3

Feature Description

................................. 32

6.4

Device Functional Modes

........................... 49

6.5

Programming

........................................ 49

6.6

....................................... 53

Application and Implementation

.................... 72

7.1

Application Information

.............................. 72

7.2

Typical Application

.................................. 72

7.3

Specific Application for TPS650944

................ 81

7.4

Do's and Don'ts

..................................... 82

Power Supply Recommendations

.................. 82

Layout

.................................................... 83

9.1

Layout Guidelines

................................... 83

9.2

Layout Example

..................................... 83

Device and Documentation Support

............... 84

10.1

Device Support

..................................... 84

10.2

Documentation Support

............................. 84

10.3

Receiving Notification of Documentation Updates

.. 84

10.4

Community Resources

.............................. 84

10.5

Trademarks

.......................................... 84

10.6

Electrostatic Discharge Caution

..................... 84

10.7

Glossary

............................................. 84

Mechanical, Packaging, and Orderable

Information

.............................................. 85

11.1

Package Option Addendum

......................... 86

Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision B (February 2017) to Revision C

Page

•

Changed TPS65094x to TPS65094 in title

........................................................................................ 1

•

Deleted variants from top of each page

........................................................................................... 1

•

Added "BUCK3-5 Mode" row and "TPS650945" column to Summary of TPS65094x OTP Differences table

........... 6

•

Changed the description of the VTTFB pin in the Pin Functions table

........................................................ 9

•

Changed VSYS to PVIN in the efficiency graphs for BUCK3, BUCK4, and BUCK5 in the Typical Characteristics

section

................................................................................................................................ 28

•

Added to the description of the deassertion condition that causes an emergency shutdown in the Emergency

Shutdown section

................................................................................................................... 48

•

Added TPS650945 settings to Section 6.6

...................................................................................... 53

•

Changed OCP event to power fault event in the OCP bit description in the OFFONSRC Register Field

Descriptions table

................................................................................................................... 55

•

Changed second reference of TPS650940 to TPS650944 for the bit reset values in the LDOA2VID Register

Field Descriptions and LDOA3VID Register Field Descriptions tables

....................................................... 62

•

Changed the bit values of the LDOA3_SLPVID[0] and LDOA3_VID[0] bits in the LDOA3VID Register figure

......... 62

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