SLVSBA2E
July 2012 – July 2025
DRV8844
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Switching Characteristics
5.7
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Output Stage
6.3.2
Logic Inputs
6.3.3
Bridge Control
6.3.4
Charge Pump
6.3.5
Protection Circuits
6.3.5.1
Overcurrent Protection (OCP)
6.3.5.2
Thermal Shutdown (TSD)
6.3.5.3
Undervoltage Lockout (UVLO)
6.4
Device Functional Modes
6.4.1
nRESET and nSLEEP Operation
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Motor Voltage
7.2.3
Application Curves
Power Supply Recommendations
7.3.1
Bulk Capacitance
7.3
Layout
7.3.1
Layout Guidelines
7.3.2
Layout Example
7.3.3
Thermal Considerations
7.3.3.1
Heatsinking
7.3.4
Power Dissipation
8
Device and Documentation Support
8.1
Documentation Support
8.1.1
Related Documentation
8.2
Community Resources
8.3
Trademarks
9
Revision History
10
Mechanical, Packaging, and Orderable Information
1
Features
Quad 1/2-H-Bridge DC Motor Driver
Can Drive Four Solenoids, Two DC Motors, One Stepper Motor, or Other Loads
Full Individual Half Bridge Control
Low MOSFET On-Resistance
2.5A Maximum Drive Current at 24V, 25°C
Floating Input Buffers Allow Dual (Bipolar) Supplies (up to ±30V)
Built-In 3.3V, 10mA LDO Regulator
Industry Standard IN/IN Digital Control Interface
8V to 60V Operating Supply Voltage Range
Outputs Can Be Connected in Parallel
Thermally Enhanced Surface Mount Package