ZHCS091D
February 2011 – March 2021
DRV8801-Q1
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
Power Supervisor
7.3.2
Bridge Control
7.3.2.1
MODE 1
7.3.2.2
MODE 2
7.3.3
Fast Decay with Synchronous Rectification
7.3.4
Slow Decay with Synchronous Rectification (Brake Mode)
7.3.5
Charge Pump
7.3.6
SENSE
7.3.7
VPROPI
7.3.7.1
Connecting VPROPI Output to ADC
7.3.8
Protection Circuits
7.3.8.1
VBB Undervoltage Lockout (UVLO)
7.3.8.2
Overcurrent Protection (OCP)
7.3.8.3
Overtemperature Warning (OTW)
7.3.8.4
Overtemperature Shutdown (OTS)
7.3.9
Thermal Shutdown (TSD)
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Motor Voltage
8.2.2.2
Power Dissipation
8.2.2.3
Thermal Considerations
8.2.2.3.1
Junction-to-Ambiant Thermal Impedance (ƟJA)
8.2.2.4
Motor Current Trip Point
8.2.2.5
Sense Resistor Selection
8.2.2.6
Drive Current
8.2.3
Pulse-Width Modulating
8.2.3.1
Pulse-Width Modulating ENABLE
8.2.3.2
Pulse-Width Modulating PHASE
8.2.4
Application Curves
8.3
Parallel Configuration
8.3.1
Parallel Connections
8.3.2
Non – Parallel Connections
8.3.3
Wiring nFAULT as Wired OR
8.3.4
Electrical Considerations
8.3.4.1
Device Spacing
8.3.4.2
Recirculation Current Handling
8.3.4.3
Sense Resistor Selection
8.3.4.4
Maximum System Current
9
Power Supply Recommendations
9.1
Bulk Capacitance
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
Receiving Notification of Documentation Updates
11.3
支持资源
11.4
Trademarks
11.5
静电放电警告
11.6
术语表
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RTY|16
MPQF170A
散热焊盘机械数据 (封装 | 引脚)
RTY|16
QFND060D
订购信息
zhcs091d_oa
zhcs091d_pm
11.5
静电放电警告
静电放电 (ESD) 会损坏这个集成电路。德州仪器 (TI) 建议通过适当的预防措施处理所有集成电路。如果不遵守正确的处理和安装程序,可能会损坏集成电路。
ESD 的损坏小至导致微小的性能降级,大至整个器件故障。精密的集成电路可能更容易受到损坏,这是因为非常细微的参数更改都可能会导致器件与其发布的规格不相符。