SLVSI22
August 2025
DRV8844A
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
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)
6.3.6
CLR_FAULT and nSLEEP Operation
7
Application and Implementation
7.1
Application Information
7.2
Application Information
7.2.1
Driving Solenoid Loads
7.2.2
Driving Stepper Motor
7.2.3
Driving Brushed DC motor
7.3
Power Supply Recommendations
7.3.1
Bulk Capacitance
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
7.4.3
Thermal Considerations
7.4.3.1
Heatsinking
7.4.4
Power Dissipation
8
Device and Documentation Support
8.1
Documentation Support
8.1.1
Related Documentation
8.2
Community Resources
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGQ|28
MPDS584
Thermal pad, mechanical data (Package|Pins)
DGQ|28
PPTD370
Orderable Information
slvsi22_oa
1
Features
Four-channel half-bridge driver
Independent control
of each half-bridge
Can be used as low-side or high-side switch
Outputs can be connected in parallel
Low MOSFET R
DS(ON)
:
210mΩ
per FET
2.5A
Maximum Drive Current at 24V, 25°C
Bipolar power supply
support up to ±32.5V
8V
to
65V
operating supply voltage range
Separate power grounds
for connection of optional sense resistors
Can drive various types of loads -
Four solenoids, valves, or relays
Two brushed-DC motors
One stepper motor
One or two Peltier thermoelectric coolers (TEC)
One 3-phase brushless-DC (BLDC) motor
Built-in 3.3V, 10mA LDO regulator
Industry standard
IN/EN
digital control interface
Protection features
VM undervoltage lockout (UVLO)
Overcurrent protection (OCP)
Thermal shutdown (TSD)
Fault condition output (nFAULT)