ZHCSR87
December 2022
DRV8316C
PRODUCTION DATA
1
特性
2
应用
3
说明
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
SPI Timing Requirements
7.7
SPI Slave Mode Timings
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Output Stage
8.3.2
Control Modes
8.3.2.1
6x PWM Mode (PWM_MODE = 00b or MODE Pin Tied to AGND)
8.3.2.2
3x PWM Mode (PWM_MODE = 10b or MODE Pin is Connected to AVDD with RMODE)
8.3.2.3
Current Limit Mode (PWM_MODE = 01b / 11b or MODE Pin is Hi-Z or Connected to AVDD)
8.3.3
Device Interface Modes
8.3.3.1
Serial Peripheral Interface (SPI)
8.3.3.2
Hardware Interface
8.3.4
Step-Down Mixed-Mode Buck Regulator
8.3.4.1
Buck in Inductor Mode
8.3.4.2
Buck in Resistor mode
8.3.4.3
Buck Regulator with External LDO
8.3.4.4
AVDD Power Sequencing on Buck Regulator
8.3.4.5
Mixed mode Buck Operation and Control
8.3.5
AVDD Linear Voltage Regulator
8.3.6
Charge Pump
8.3.7
Slew Rate Control
8.3.8
Cross Conduction (Dead Time)
8.3.9
Propagation Delay
8.3.9.1
Driver Delay Compensation
8.3.10
Pin Diagrams
8.3.10.1
Logic Level Input Pin (Internal Pulldown)
8.3.10.2
Logic Level Input Pin (Internal Pullup)
8.3.10.3
Open Drain Pin
8.3.10.4
Push Pull Pin
8.3.10.5
Four Level Input Pin
8.3.11
Current Sense Amplifiers
8.3.11.1
Current Sense Amplifier Operation
8.3.12
Active Demagnetization
8.3.12.1
Automatic Synchronous Rectification Mode (ASR Mode)
8.3.12.1.1
Automatic Synchronous Rectification in Commutation
8.3.12.1.2
Automatic Synchronous Rectification in PWM Mode
8.3.12.2
Automatic Asynchronous Rectification Mode (AAR Mode)
8.3.13
Cycle-by-Cycle Current Limit
8.3.13.1
Cycle by Cycle Current Limit with 100% Duty Cycle Input
8.3.14
Protections
8.3.14.1
VM Supply Undervoltage Lockout (NPOR)
8.3.14.2
AVDD Undervoltage Lockout (AVDD_UV)
8.3.14.3
BUCK Undervoltage Lockout (BUCK_UV)
8.3.14.4
VCP Charge Pump Undervoltage Lockout (CPUV)
8.3.14.5
Overvoltage Protection (OVP)
8.3.14.6
Overcurrent Protection (OCP)
8.3.14.6.1
OCP Latched Shutdown (OCP_MODE = 00b)
8.3.14.6.2
OCP Automatic Retry (OCP_MODE = 01b)
8.3.14.6.3
OCP Report Only (OCP_MODE = 10b)
8.3.14.6.4
OCP Disabled (OCP_MODE = 11b)
8.3.14.7
Buck Overcurrent Protection
8.3.14.8
Thermal Warning (OTW)
8.3.14.9
Thermal Shutdown (OTS)
8.3.14.9.1
OTS FET
8.3.14.9.2
OTS (Non FET)
8.4
Device Functional Modes
8.4.1
Functional Modes
8.4.1.1
Sleep Mode
8.4.1.2
Operating Mode
8.4.1.3
Fault Reset (CLR_FLT or nSLEEP Reset Pulse)
8.4.2
DRVOFF functionality
8.5
SPI Communication
8.5.1
Programming
8.5.1.1
SPI Format
8.6
Register Map
8.6.1
STATUS Registers
8.6.2
CONTROL Registers
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Three-Phase Brushless-DC Motor Control
9.2.1.1
Detailed Design Procedure
9.2.1.1.1
Motor Voltage
9.2.1.1.2
Using Active Demagnetization
9.2.1.1.3
Driver Propagation Delay and Dead Time
9.2.1.1.4
Using Delay Compensation
9.2.1.1.5
Using the Buck Regulator
9.2.1.1.6
Current Sensing and Output Filtering
9.2.1.2
Application Curves
9.2.2
Three-Phase Brushless-DC Motor Control With Current Limit
9.2.2.1
Block Diagram
9.2.2.2
Detailed Design Procedure
9.2.2.2.1
Motor Voltage
9.2.2.2.2
ILIM Implementation
9.2.2.3
Application Curves
9.2.3
Brushed-DC and Solenoid Load
9.2.3.1
Block Diagram
9.2.3.2
Design Requirements
9.2.3.2.1
Detailed Design Procedure
9.2.4
Three Solenoid Loads
9.2.4.1
Block Diagram
9.2.4.2
Design Requirements
9.2.4.2.1
Detailed Design Procedure
10
Power Supply Recommendations
10.1
Bulk Capacitance
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Thermal Considerations
11.3.1
Power Dissipation
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
支持资源
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RGF|40
MPQF173F
散热焊盘机械数据 (封装 | 引脚)
RGF|40
QFND672
订购信息
zhcsr87_oa
9.2.3.1
Block Diagram
Figure 9-13
Alternate Application - Brushed DC Motor and Solenoid with Current Limit
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