SLVSHI4A
October 2025 – December 2025
DRV81545
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specification
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Integrated Clamp Diode, VCLAMP
6.3.2
Protection Circuits
6.3.2.1
ILIM Analog Current Limit
6.3.2.1.1
Effect of Load Resistance on Power Dissipation Before TSD
6.3.2.2
Cut-Off Delay (COD)
6.3.2.3
Thermal Shutdown (TSD)
6.3.2.4
Undervoltage Lockout (UVLO)
6.3.3
Fault Conditions Summary
6.4
Device Functional Modes
6.4.1
Hardware Interface Operation
6.4.2
Parallel Outputs
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
External Components
7.2.2
Continuous Current Capability
7.2.3
Power Dissipation
7.2.4
Application Curves
7.3
Power Supply Recommendations
7.3.1
Bulk Capacitance
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Documentation Support
8.1.1
Related Documentation
8.2
Receiving Notification of Documentation Updates
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Data Sheet
DRV81545
:
55V Four-Channel Low-side Driver With Integrated Protection Features