ZHCSNT9K
July 2008 – March 2021
DRV8800
,
DRV8801
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
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagrams
8.3
Feature Description
8.3.1
Logic Inputs
8.3.2
VREG (DRV8800 Only)
8.3.3
VPROPI (DRV8801 Only)
8.3.3.1
Connecting VPROPI Output to ADC
8.3.4
Charge Pump
8.3.5
Shutdown
8.3.6
Low-Power Mode
8.3.7
Braking
8.3.8
Diagnostic Output
8.3.9
Thermal Shutdown (TSD)
8.3.10
Overcurrent Protection
8.3.11
SENSE
8.4
Device Functional Modes
8.4.1
Device Operation
8.4.1.1
Slow-Decay SR (Brake Mode)
8.4.1.2
Fast Decay With Synchronous Rectification
8.4.1.2.1
34
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Motor Voltage
9.2.2.2
Power Dissipation
9.2.2.3
Thermal Considerations
9.2.2.3.1
Junction-to-Ambiant Thermal Impedance (ƟJA)
9.2.2.4
Motor Current Trip Point
9.2.2.5
Sense Resistor Selection
9.2.2.6
Drive Current
9.2.3
Pulse-Width Modulating
9.2.3.1
Pulse-Width Modulating ENABLE
9.2.3.2
Pulse-Width Modulating PHASE
9.2.4
Application Curves
9.3
Parallel Configuration
9.3.1
Parallel Connections
9.3.2
Non – Parallel Connections
9.3.3
Wiring nFAULT as Wired OR
9.3.4
Electrical Considerations
9.3.4.1
Device Spacing
9.3.4.2
Recirculation Current Handling
9.3.4.3
Sense Resistor Selection
9.3.4.4
Maximum System Current
10
Power Supply Recommendations
10.1
Bulk Capacitance
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Related Links
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)
PWP|16
MPDS371A
RTY|16
MPQF170A
散热焊盘机械数据 (封装 | 引脚)
PWP|16
PPTD153P
RTY|16
QFND060D
订购信息
zhcsnt9k_oa
zhcsnt9k_pm
1
特性
独立的 H 桥电机
低 R
DS(on)
MOSFET(典型值 0.4Ω)
低功耗睡眠模式
支持 100% 脉宽调制 (PWM) 占空比
8V 至 36V 工作电源电压范围
热增强型表面贴装式封装
保护特性:
VBB 欠压闭锁 (UVLO)
电荷泵电压 (CPUV)
过流保护 (OCP)
电源短路保护
接地短路保护
过热警告 (OTW)
过热关断 (OTS)
故障条件指示引脚 (nFAULT)
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