ZHCSQ30
December 2022
DRV8317
PRODUCTION DATA
1
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
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
8.3.2.2
3x PWM Mode
8.3.3
Device Interface Modes
8.3.3.1
Serial Peripheral Interface (SPI)
8.3.3.2
Hardware Interface
8.3.4
AVDD Linear Voltage Regulator
8.3.5
Charge Pump
8.3.6
Slew Rate Control
8.3.7
Cross Conduction (Dead Time)
8.3.8
Propagation Delay
8.3.9
Pin Diagrams
8.3.9.1
Logic Level Input Pin (Internal Pulldown)
8.3.9.2
Logic Level Input Pin (Internal Pullup)
8.3.9.3
Open Drain Pin
8.3.9.4
Push Pull Pin
8.3.9.5
Four Level Input Pin
8.3.10
Current Sense Amplifiers
8.3.10.1
Current Sense Amplifier Operation
8.3.11
Protections
8.3.11.1
Under Voltage Protection (UVP)
8.3.11.2
VM Under Voltage Warn (VMUV_WARN) Protection
8.3.11.2.1
VM Under Voltage Warn Automatic Retry (VMUV_WARN_MODE = 00b or 01b)
8.3.11.2.2
VM Under Voltage Warn Report Only (VMUV_WARN_MODE = 10b)
8.3.11.2.3
VM Under Voltage Warn Disabled (VMUV_WARN_MODE = 11b)
8.3.11.3
Over Current Protection (OCP)
8.3.11.3.1
OCP Latched Fault (OCP_MODE = 010b)
8.3.11.3.2
OCP Automatic Retry (OCP_MODE = 000b or 001b)
8.3.11.3.3
OCP Report Only (OCP_MODE = 011b)
8.3.11.4
VM Over Voltage Protection (OVP)
8.3.11.5
SPI Fault
8.3.11.6
System (OTP Read) Fault
8.3.11.7
Thermal Protection
8.3.11.7.1
FET Over Temperature Warning (OTW_FET)
8.3.11.7.2
FET Over Temperature Shutdown (OTS_FET)
8.3.11.7.3
LDO Over Temperature Shutdown
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 (FLT_CLR or nSLEEP Reset Pulse)
8.5
SPI Communication
8.5.1
Programming
8.5.1.1
SPI Format
8.6
DRV8317 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
9.2.1.2
Driver Propagation Delay and Dead Time
9.2.1.3
Delay Compensation
9.2.1.4
Current Sensing and Output Filtering
9.2.1.5
Application Curves
9.3
Alternate Applications
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 and Junction Temperature Estimation
12
Device and Documentation Support
12.1
支持资源
12.2
Trademarks
12.3
静电放电警告
12.4
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
REE|36
MPQF647
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsq30_oa
1
特性
三相 BLDC 电机驱动器
用于缓解 EMI 的可配置压摆率
可编程增益电流检测
支持高达 200kHz 的 PWM 频率
集成击穿保护
4.5V 至 20V 工作电压
24V 绝对最大电压
高输出电流能力
5A 峰值电流驱动能力
低导通状态电阻 MOSFET
T
A
= 25°C 时的 R
DS(ON)
(HS + LS):130mΩ(典型值)
超低静态电流睡眠模式
V
VM
= 12V、T
A
= 25°C 时为 3µA(最大值)
多种控制接口选项
6x PWM 控制接口
3x PWM 控制接口
集成式电流检测
无需外部电流检测电阻
三相电流检测输出
SPI 和硬件器件型号
10MHz SPI 接口型号,可实现灵活性
引脚可配置型号,可实现简单性
支持 1.8V、3.3V 和 5V 逻辑输入
内置 3.3V ± 4.5%、80mA LDO 稳压器
集成保护特性
VM 欠压锁定 (UVLO)
VM 过压保护 (OVP)
电荷泵欠压 (CPUV)
过流保护 (OCP)
过热警告和关断 (OTW/OTS)
故障条件指示引脚 (nFAULT)