SLOSE60B
May 2020 – May 2022
DRV8424E
,
DRV8425E
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
Pin 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
Detailed Description
7.1
Overview
7.2
Functional Block Diagrams
7.3
Feature Description
7.3.1
PWM Motor Drivers
7.3.2
Bridge Control
7.3.3
Current Regulation
7.3.4
Decay Modes
7.3.4.1
Mixed Decay
7.3.4.2
Fast Decay
7.3.4.3
Smart tune Dynamic Decay
7.3.4.4
Smart tune Ripple Control
7.3.4.5
Blanking time
7.3.5
Charge Pump
7.3.6
Linear Voltage Regulators
7.3.7
Logic and Quad-Level Pin Diagrams
7.3.8
nFAULT Pin
7.3.9
Protection Circuits
7.3.9.1
VM Undervoltage Lockout (UVLO)
7.3.9.2
VCP Undervoltage Lockout (CPUV)
7.3.9.3
Overcurrent Protection (OCP)
7.3.9.4
Thermal Shutdown (OTSD)
7.3.9.5
Fault Condition Summary
7.4
Device Functional Modes
7.4.1
Sleep Mode (nSLEEP = 0)
7.4.2
Operating Mode (nSLEEP = 1)
7.4.3
nSLEEP Reset Pulse
7.4.4
Functional Modes Summary
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
Current Regulation
8.2.2.2
Power Dissipation and Thermal Calculation
8.2.3
Application Curves
8.3
Alternate Application
8.3.1
Design Requirements
8.3.2
Detailed Design Procedure
8.3.2.1
Current Regulation
8.3.2.2
Stepper Motor Speed
8.3.2.3
Decay Modes
9
Power Supply Recommendations
9.1
Bulk Capacitance
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Related Links
11.3
Receiving Notification of Documentation Updates
11.4
Community Resources
11.5
Trademarks
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RGE|24
MPQF124G
PWP|28
MPDS373B
Thermal pad, mechanical data (Package|Pins)
RGE|24
QFND008AA
Orderable Information
slose60b_oa
slose60b_pm
5
Pin Configuration and Functions
Figure 5-1
PWP PowerPAD™ Package
28-Pin HTSSOP
Top View DRV8424E, DRV8425E
Figure 5-2
RGE Package
24-Pin VQFN with Exposed Thermal PAD
Top View DRV8424E, DRV8425E
Figure 5-3
PWP PowerPAD™ Package
28-Pin HTSSOP
Top View DRV8424P, DRV8425P
Figure 5-4
RGE Package
24-Pin VQFN with Exposed Thermal PAD
Top View DRV8424P, DRV8425P