Table of Contents
1 特性................................................................................... 1
2 应用................................................................................... 1
3 说明................................................................................... 1
4 Revision History.............................................................. 2
5 Pin Configuration and Functions...................................4
6 Specifications.................................................................. 5
6.1 Absolute Maximum Ratings ....................................... 5
6.2 ESD Ratings .............................................................. 5
6.3 Recommended Operating Conditions ........................5
6.4 Thermal Information ...................................................6
6.5 Electrical Characteristics ............................................6
6.6 Timing Requirements .................................................8
6.7 Typical Characteristics................................................ 9
7 Detailed Description......................................................14
7.1 Overview................................................................... 14
7.2 Functional Block Diagram......................................... 15
7.3 Feature Description...................................................15
7.4 Device Functional Modes..........................................33
7.5 Programming............................................................ 37
7.6 Register Maps...........................................................45
8 Application and Implementation................................ 154
8.1 Application Information........................................... 154
8.2 Typical Application.................................................. 154
9 Power Supply Recommendations..............................158
10 Layout.........................................................................158
10.1 Layout Guidelines................................................. 158
10.2 Layout Example.................................................... 158
11 Device and Documentation Support........................159
11.1 接收文档更新通知................................................. 159
11.2 支持资源................................................................159
11.3 Trademarks........................................................... 159
11.4 静电放电警告.........................................................159
11.5 术语表................................................................... 159
12 Mechanical, Packaging, and Orderable
Information.................................................................. 159
4 Revision History
注：以前版本的页码可能与当前版本的页码不同
Changes from Revision A (February 2020) to Revision B (February 2021) Page
• 更新了整个文档的表、图和交叉参考的编号格式................................................................................................ 1
• 将
特性
列表中的项目符号“Functional safety capable”（提供安全功能）更改为“Functional Safety-
Capable”（提供安全功能）.............................................................................................................................. 1
• Change to “CONF_ODPW=0h” from “CONF_ODPW=4h” in Timing Requirements table........................5
• Change to "80-mA" from "50-mA".....................................................................................................................15
• Add "LSB first" to CRC Algorithm Diagram.......................................................................................................27
• Change "Supply UVLO" row to "Constant pulled down" from "No action"........................................................ 28
• Change "Supply UVLO" row to "Constant pulled down" from "No action"........................................................ 32
• Add description for TPS929120A version.........................................................................................................38
• Add "All EEPROM shadow registers need to be written to target value before burning."................................ 42
• Change default value of register FLAG7 to "B3h" from "EFh".......................................................................... 45
• Add note for default value of register FLAG7 for TPS929120A version........................................................... 45
• Change default value of register EEPM7 to "A7h" from "07h"..........................................................................45
• Add note for default value of EEPROM register EEPM6 for TPS929120A version..........................................45
• Add note for default value of EEPROM register EEPM15 for TPS929120A version........................................45
• Change reset value for CONF_AUTOSS to "0h" from "X"................................................................................50
• Change to "FlexWire" from "FlexLED" in CONF_MISC2 register description...................................................50
• Change to "19 V" from "20 V" in CONF_MISC2 register description ...............................................................50
• Add "Fh = 20 V" in CONF_MISC2 register description.....................................................................................50
• Add "automatically reset to 0" in CONF_FORCEERR register description...................................................... 50
• Change to "Configuration" from "Miscellanous" in CONF_LOCK register description......................................50
• Change to "B3h" from "EFh" for FLAG7 register reset value............................................................................50
• Add "Reset value is 09h for TPS929120A version" in FLAG7 register description.......................................... 50
• Change to "CONFx" from "EEPROM" for FLAG8 register description............................................................. 50
• Add "Reset value is 8h for TPS929120A version" in EEPM6 register description............................................50
• Change to "19 V" from "20 V" in EEPM8 register description ..........................................................................50
• Add "Fh = 20 V" in EEPM8 register description................................................................................................50
TPS929120-Q1
ZHCSJL7B – APRIL 2019 – REVISED FEBRUARY 2021
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