SLVSFZ6
December 2021
DRV8251
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
7.7
Timing Diagrams
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
External Components
8.4
Feature Description
8.4.1
Bridge Control
8.4.2
Current Regulation
8.4.3
Protection Circuits
8.4.3.1
Overcurrent Protection (OCP)
8.4.3.2
Thermal Shutdown (TSD)
8.4.3.3
VM Undervoltage Lockout (UVLO)
8.5
Device Functional Modes
8.5.1
Active Mode
8.5.2
Low-Power Sleep Mode
8.5.3
Fault Mode
8.6
Pin Diagrams
8.6.1
Logic-Level Inputs
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Brush DC Motor
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Motor Voltage
9.2.1.2.2
Motor Current
9.2.1.2.3
Sense Resistor
9.2.1.3
Application Curves
9.2.2
Stall Detection
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.2.1
Stall Detection Timing
9.2.2.2.2
Stall Threshold Selection
9.2.2.3
Application Curves
9.2.3
Relay Driving
9.2.3.1
Design Requirements
9.2.3.2
Detailed Design Procedure
9.2.3.2.1
Control Interface for Single-Coil Relays
9.2.3.2.2
Control Interface for Dual-Coil Relays
9.2.3.3
Application Curves
9.2.4
Multi-Sourcing with Standard Motor Driver Pinout
9.3
Current Capability and Thermal Performance
9.3.1
Power Dissipation and Output Current Capability
9.3.2
Thermal Performance
9.3.2.1
Steady-State Thermal Performance
9.3.2.2
Transient Thermal Performance
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
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDA|8
MPDS092F
Thermal pad, mechanical data (Package|Pins)
DDA|8
PPTD058I
Orderable Information
slvsfz6_oa
12
Device and Documentation Support