JAJSMG4A
June 2023 – September 2023
TPS922052
,
TPS922053
,
TPS922054
,
TPS922055
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Revision History
5
Device Comparison Table
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
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Adaptive Off-Time Current Mode Control
8.3.1.1
Switching Frequency Settings
8.3.1.2
Spread Spectrum
8.3.2
Setting LED Current
8.3.3
Undervoltage Lockout
8.3.4
Internal Soft Start
8.3.5
Dimming Mode
8.3.5.1
PWM Dimming
8.3.5.2
Analog Dimming
8.3.5.3
Hybrid Dimming
8.3.5.4
Flexible Dimming
8.3.6
CC/CV Charging Mode
8.3.7
Fault Protection
8.3.8
Thermal Foldback
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
TPS922054 24-V Input, 4-A Output, 4-piece WLED Driver With Analog Dimming
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
Input Capacitor Selection
9.2.1.2.3
Output Capacitor Selection
9.2.1.2.4
Sense Resistor Selection
9.2.1.2.5
Other External Components Selection
9.2.1.3
Application Curves
9.2.2
TPS922054 48-V Input, 2-A Output, 12-piece WLED Driver with PWM Dimming
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.2.1
Inductor Selection
9.2.2.2.2
Input Capacitor Selection
9.2.2.2.3
Output Capacitor Selection
9.2.2.2.4
Sense Resistor Selection
9.2.2.2.5
Other External Components Selection
9.2.2.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
ドキュメントの更新通知を受け取る方法
10.2
サポート・リソース
10.3
Trademarks
10.4
静電気放電に関する注意事項
10.5
用語集
11
Mechanical, Packaging, and Orderable Information
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)
DMT|14
MPSS087B
DRR|12
MPSS085A
サーマルパッド・メカニカル・データ
DMT|14
QFND767
DRR|12
PPTD337
発注情報
jajsmg4a_oa
9.2
Typical Application