ZHCS389C
June 2011 – December 2022
DRV8662
PRODUCTION DATA
1
特性
2
应用
3
说明
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
Fast Start-up (Enable Pin)
7.3.2
Gain Control
7.3.3
Adjustable Boost Voltage
7.3.4
Adjustable Boost Current Limit
7.3.5
Internal Charge Pump
7.3.6
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Startup/shutdown Sequencing
7.4.1.1
PWM Source
7.4.1.2
DAC Source
7.4.2
Low-voltage Operation
7.5
Programming
7.5.1
Programming the Boost Voltage
7.5.2
Programing the Boost Current Limit
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
DRV8662 System Diagram with DAC Input
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Inductor Selection
8.2.1.2.2
Piezo Actuator Selection
8.2.1.2.3
Boost Capacitor Selection
8.2.1.2.4
Current Consumption Calculation
8.2.1.2.5
Input Filter Considerations
8.2.1.3
Application Curves
8.2.2
DRV8662 System Diagram with Filtered Single-Ended PWM Input
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.2.1
Input Filter Design
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
Documentation Support
11.1.1
Related Documentation
11.2
Trademarks
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RGP|20
MPQF126G
散热焊盘机械数据 (封装 | 引脚)
RGP|20
QFND079Y
订购信息
zhcs389c_oa
zhcs389c_pm
8.2.1.3
Application Curves
Figure 8-2
Typical Waveform
Figure 8-3
Typical Waveform – Differential