JAJSDL6D
January 2016 – May 2017
TPS61194-Q1
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
4
改訂履歴
5
デバイス比較表
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 4 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
デバイスおよびドキュメントのサポート
12.1
デバイス・サポート
12.1.1
開発サポート
12.2
ドキュメントのサポート
12.2.1
関連資料
12.3
ドキュメントの更新通知を受け取る方法
12.4
コミュニティ・リソース
12.5
商標
12.6
静電気放電に関する注意事項
12.7
Glossary
13
メカニカル、パッケージ、および注文情報
5
デバイス比較表
LP8860-Q1
LP8862-Q1
LP8861-Q1
TPS61193-Q1
TPS61194-Q1
TPS61196-Q1
VIN範囲
3V~48V
4.5V~40V
4.5V~45V
4.5V~40V
4.5V~40V
8V~30V
LEDチャネル数
4
2
4
3
4
6
LED電流/チャネル
150mA
160mA
100mA
100mA
100mA
200mA
I2C/SPIサポート
○
×
×
×
×
×
SEPICサポート
×
○
○
○
○
×