JAJSKJ6
June 2021
TPS92633
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Power Supply (SUPPLY)
7.3.1.1
Power-On Reset
7.3.1.2
Supply Current in Fault Mode
7.3.2
Enable and Shutdown (EN)
7.3.3
Reference Current (IREF)
7.3.4
Constant-Current Output and Setting (INx)
7.3.5
Analog Current Control (ICTRL)
7.3.5.1
Off-Board Brightness Binning Resistor
7.3.5.2
NTC Resistor
7.3.6
Thermal Sharing Resistor (OUTx and RESx)
7.3.7
PWM Control (PWMx)
7.3.8
Supply Control
7.3.9
Diagnostics
7.3.9.1
IREF Short-to-GND Detection
7.3.9.2
IREF Open Detection
7.3.9.3
LED Short-to-GND Detection
7.3.9.4
LED Open-Circuit Detection
7.3.9.5
Single LED Short-Circuit Detection (SLS_REF)
7.3.9.6
LED Open-Circuit and Single LED Short-Circuit Detection Enable (DIAGEN)
7.3.9.7
Low Dropout Operation
7.3.9.8
Over-Temperature Protection
7.3.10
FAULT Bus Output With One-Fails–All-Fail
7.3.11
FAULT Table
7.3.12
LED Fault Summary
7.3.13
IO Pins Inner Connection
7.4
Device Functional Modes
7.4.1
Undervoltage Lockout, V(SUPPLY) < V(POR_rising)
7.4.2
Normal Operation V(SUPPLY) ≥ 4.5 V
7.4.3
Low-Voltage Dropout Operation
7.4.4
Fault Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
BCM Controlled Rear Lamp with One-Fails-All-Fail Setup
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.2.2
Independent PWM Controlled Rear Lamp with Off Board LED and Binning Resistor
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
サポート・リソース
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
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)
PWP|20
MHTS001G
サーマルパッド・メカニカル・データ
PWP|20
PPTD027Z
発注情報
jajskj6_oa
2
アプリケーション
汎用 LED ドライバ・アプリケーション