ZHCS766A
February 2012 – December 2021
INA230
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Related Products
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
Timing Requirements (I2C)
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Basic ADC Functions
8.3.2
Power Calculation
8.3.3
Alert Pin
8.4
Device Functional Modes
8.4.1
Averaging and Conversion Time Considerations
8.4.2
Filtering and Input Considerations
8.5
Programming
8.5.1
Programming the Calibration Register
8.5.2
Programming the INA230 Power Measurement Engine
8.5.2.1
Calibration Register and Scaling
8.5.3
Simple Current Shunt Monitor Usage (No Programming Necessary)
8.5.4
Default INA230 Settings
8.5.5
Bus Overview
8.5.5.1
Serial Bus Address
8.5.5.2
Serial Interface
8.5.6
Writing to and Reading From the I2C Serial Interface
8.5.6.1
High-Speed I2C Mode
8.5.7
SMBus Alert Response
8.6
Register Maps
8.6.1
Configuration Register (00h, Read/Write)
8.6.2
AVG Bit Settings [11:9]
8.6.3
VBUS CT Bit Settings [8:6]
8.6.4
VSH CT Bit Settings [5:3]
8.6.5
Mode Settings [2:0]
8.6.6
Data Output Register
8.6.6.1
Shunt Voltage Register (01h, Read-Only)
8.6.6.2
Bus Voltage Register (02h, Read-Only) (1)
8.6.6.3
Power Register (03h, Read-Only)
8.6.6.4
Current Register (04h, Read-Only)
8.6.6.5
Calibration Register (05h, Read/Write)
8.6.6.6
Mask/Enable Register (06h, Read/Write)
8.6.6.7
Alert Limit Register (07h, Read/Write)
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
High-Side Sensing Circuit Application
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
接收文档更新通知
12.3
支持资源
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DGS|10
MPDS035C
RGT|16
MPQF119H
散热焊盘机械数据 (封装 | 引脚)
RGT|16
QFND098S
订购信息
zhcs766a_oa
zhcs766a_pm
1
特性
总线电压检测范围为 0V 至 36V
高侧或低侧检测
电流、电压和功率报告
高准确度:
0.3% 增益误差(最大值)
25µV 失调电压(最大值)
可配置取平均选项
可编程警报阈值
电源运行电压:2.7V 至 5.5V
封装:
16 引脚 RGT (VQFN)
10 引脚 DGS (VSSOP)