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DRV8801A-Q1 DMOS Full-Bridge Motor Drivers
SLVSC79D
June 2014 – November 2020
DRV8801A-Q1
PRODUCTION DATA
CONTENTS
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DRV8801A-Q1 DMOS Full-Bridge Motor Drivers
1
Features
2
Applications
3
Description
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
Dissipation Ratings
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)
7.4
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
Drive Current
8.2.2.2
40
8.2.2.3
Slow-Decay SR (Brake Mode)
8.2.3
Thermal Considerations
8.2.3.1
Junction-to-Ambiant Thermal Impedance (ƟJA)
8.2.4
Pulse-Width Modulating
8.2.4.1
Pulse-Width Modulating ENABLE
8.2.4.2
Pulse-Width Modulating PHASE
8.2.5
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
10.3
Power Dissipation
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Community Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, And Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
RMJ|16
MPQF389
Thermal pad, mechanical data (Package|Pins)
RMJ|16
QFND494
Orderable Information
slvsc79d_oa
slvsc79d_pm
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