ZHCSEO8C
October 2015 – May 2017
TPS61193-Q1
PRODUCTION DATA.
1
特性
2
应用
3
说明
4
修订历史记录
5
器件比较表
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
Internal LDO Electrical Characteristics
7.7
Protection Electrical Characteristics
7.8
Current Sinks Electrical Characteristics
7.9
PWM Brightness Control Electrical Characteristics
7.10
Boost and SEPIC Converter Characteristics
7.11
Logic Interface Characteristics
7.12
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Integrated DC-DC Converter
8.3.2
Internal LDO
8.3.3
LED Current Sinks
8.3.3.1
Output Configuration
8.3.3.2
Current Setting
8.3.3.3
Brightness Control
8.3.4
Protection and Fault Detections
8.3.4.1
Adaptive DC-DC Voltage Control and Functionality of LED Fault Comparators
8.3.4.2
Overview of the Fault/Protection Schemes
8.4
Device Functional Modes
8.4.1
Device States
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Typical Application for 3 LED Strings
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Inductor Selection
9.2.1.2.2
Output Capacitor Selection
9.2.1.2.3
Input Capacitor Selection
9.2.1.2.4
LDO Output Capacitor
9.2.1.2.5
Diode
9.2.1.3
Application Curves
9.2.2
SEPIC Mode Application
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.2.1
Inductor
9.2.2.2.2
Diode
9.2.2.2.3
Capacitor C1
9.2.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
器件和文档支持
12.1
器件支持
12.1.1
开发支持
12.2
文档支持
12.2.1
相关文档
12.3
接收文档更新通知
12.4
社区资源
12.5
商标
12.6
静电放电警告
12.7
Glossary
13
机械、封装和可订购信息
5
器件比较表
LP8860-Q1
LP8862-Q1
LP8861-Q1
TPS61193-Q1
TPS61194-Q1
TPS61196-Q1
VIN 范围
3V 至 48V
4.5V 至 40V
4.5V 至 45V
4.5V 至 40V
4.5V 至 40V
8V 至 30V
LED 通道的数量
4
2
4
3
4
6
LED 电流/通道
150mA
160mA
100mA
100mA
100mA
200mA
I2C/SPI 支持
有
无
无
无
无
无
SEPIC 支持
无
有
是
是
是
无