SLVSC79D
June 2014 – November 2020
DRV8801A-Q1
PRODUCTION DATA
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
Package Options
Mechanical Data (Package|Pins)
RMJ|16
MPQF389
Thermal pad, mechanical data (Package|Pins)
RMJ|16
QFND494
Orderable Information
slvsc79d_oa
slvsc79d_pm
1
Features
Qualified for Automotive Applications
Low ON-Resistance (0.83 Ω) Outputs
Low-Power Sleep Mode
100% PWM Duty Cycle Supported
6.5 to 36-V Operating Supply Voltage Range
Thermally Enhanced Surface-Mount Package
Configurable Overcurrent Limit
Protection Features
V
BB
Undervoltage Lockout (UVLO)
Overcurrent Protection (OCP)
Short-to-Supply Protection
Short-to-Ground Protection
Overtemperature Warning (OTW)
Overtemperature shutdown (OTS)
Overcurrent and Overtemperature Fault Conditions Indicated On Pin (nFAULT)