JAJSV10H
December 2009 – July 2024
DRV8412
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Package Heat Dissipation Ratings
5.6
Package Power Deratings (DRV8412) #GUID-2A6DB468-D895-404F-A2E6-05A442AE2834/SLES2429141
5.7
Electrical Characteristics
5.8
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Error Reporting
6.3.2
Device Protection System
6.3.2.1
Bootstrap Capacitor Undervoltage Protection
6.3.2.2
Overcurrent (OC) Protection
6.3.2.3
Overtemperature Protection
6.3.2.4
Undervoltage Protection (UVP) and Power-On Reset (POR)
6.3.3
Device Reset
6.4
Device Functional Modes
Application and Implementation
7.1
Application Information
7.2
Typical Applications
7.2.1
Full Bridge Mode Operation
7.2.1.1
Design Requirements
7.2.1.2
Detailed Design Procedure
7.2.1.2.1
Motor Voltage
7.2.1.2.2
Current Requirement of 12V Power Supply
7.2.1.2.3
Voltage of Decoupling Capacitor
7.2.1.2.4
Overcurrent Threshold
7.2.1.2.5
Sense Resistor
7.2.1.3
Application Curves
7.2.2
Parallel Full Bridge Mode Operation
7.2.3
Stepper Motor Operation
7.2.4
TEC Driver
7.2.5
LED Lighting Driver
7.3
Power Supply Recommendations
7.3.1
Bulk Capacitance
7.3.2
Power Supplies
7.3.3
System Power-Up and Power-Down Sequence
7.3.3.1
Powering Up
7.3.3.2
Powering Down
7.3.4
System Design Recommendations
7.3.4.1
VREG Pin
7.3.4.2
VDD Pin
7.3.4.3
OTW Pin
7.3.4.4
Mode Select Pin
7.3.4.5
Parallel Mode Operation
7.3.4.6
TEC Driver Application
7.4
Layout
7.4.1
Layout Guidelines
7.4.1.1
PCB Material Recommendation
7.4.1.2
Ground Plane
7.4.1.3
Decoupling Capacitor
7.4.1.4
AGND
7.4.2
Layout Example
7.4.2.1
Current Shunt Resistor
7.4.3
Thermal Considerations
7.4.3.1
DRV8412 Thermal Via Design Recommendation
7
Device and Documentation Support
7.1
ドキュメントの更新通知を受け取る方法
7.2
サポート・リソース
7.3
Trademarks
7.4
静電気放電に関する注意事項
7.5
用語集
8
Revision History
9
Mechanical, Packaging, and Orderable Information
5
Specifications