JAJSC31E
February 2014 – May 2018
TPS92630-Q1
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
代表的なアプリケーションの回路図
4
改訂履歴
5
概要(続き)
6
Pin Configuration and Functions
Pin 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
Timing Requirements
7.7
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Constant LED-Current Setting
9.3.2
PWM Control
9.3.3
FAULT Diagnostics
9.3.4
Short-Circuit Detection
9.3.5
Open-Load Detection
9.3.6
Thermal Foldback
9.4
Device Functional Modes
9.4.1
Thermal Information
9.4.2
Operation With V(VIN) < 5 V (Minimum V(VIN))
9.4.3
Operation With 5 V < V(VIN) < 9 V (Lower-Than-Normal Automotive Battery Voltage)
10
Applications and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
Stoplight and Taillight Application With PWM Generator
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.2.1
Step-by-Step Design Procedure
10.2.1.2.1.1
R(REF)
10.2.1.2.1.2
Duty Cycle
10.2.1.2.1.3
Input and Output Capacitors
10.2.1.3
PWM Dimming Application Curve
10.2.2
Simple Stop-Light and Taillight Application
10.2.2.1
Design Requirements
10.2.2.2
Detailed Design Procedure
10.2.2.2.1
Step-by-Step Design Procedure
10.2.2.2.1.1
R(REF)
10.2.2.2.1.2
R(Stop)
10.2.2.2.1.3
Input and Output Capacitors
10.2.3
Parallel Connection
10.2.3.1
Design Requirements
10.2.3.2
Detailed Design Procedure
10.2.3.2.1
Step-by-Step Design Procedure
10.2.3.2.1.1
R(REF)
10.2.3.2.1.2
Input and Output Capacitors
10.2.4
Alternate Parallel Connection
10.2.4.1
Design Requirements
10.2.4.2
Detailed Design Procedure
10.2.4.2.1
Step-by-Step Design Procedure
10.2.4.2.1.1
R(REF)
10.2.4.2.1.2
Input and Output Capacitors
10.2.5
High-Side PWM Dimming
10.2.5.1
Design Requirements
10.2.5.2
Detailed Design Procedure
10.2.5.2.1
Step-by-Step Design Procedure
10.2.5.2.1.1
Ratio of Resistors, R1 / R2
10.2.5.2.1.2
R1 and R2 Selection
10.2.5.2.1.3
Input and Output Capacitors
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
デバイスおよびドキュメントのサポート
13.1
ドキュメントのサポート
13.1.1
関連資料
13.2
ドキュメントの更新通知を受け取る方法
13.3
コミュニティ・リソース
13.4
商標
13.5
静電気放電に関する注意事項
13.6
Glossary
14
メカニカル、パッケージ、および注文情報
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
PWP|16
MPDS371A
サーマルパッド・メカニカル・データ
PWP|16
PPTD312C
発注情報
jajsc31e_oa
jajsc31e_pm
10.2.2.2.1.2
R
(Stop)
Equation 11.
R
(Stop)
= V
ref
× K
(I)
/ (I
(stop)
– I
(tail)
) 1.222 × 100 / (0.07 – 0.03) = 3.055 kΩ