JAJS491K
July 2008 – March 2021
DRV8800
,
DRV8801
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
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
静電気放電に関する注意事項
12.4
用語集
13
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
PWP|16
MPDS371A
RTY|16
MPQF170A
サーマルパッド・メカニカル・データ
PWP|16
PPTD153P
RTY|16
QFND060D
発注情報
jajs491k_oa
jajs491k_pm
11.2
Layout Example
Figure 11-1
RTY Layout Example
Figure 11-2
PWP Layout Example