SLVSHA4
June 2024
DRV8421
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings Comm
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
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
Truth Tables
7.3.3
Parallel Operation
7.3.4
Protection Circuits
7.3.4.1
OCP
7.3.4.2
TSD
7.3.4.3
UVLO
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Application Curves
8.3
Power Supply Recommendations
8.3.1
Bulk Capacitance Sizing
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Community Resources
9.2
Trademarks
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGQ|10
MPDS043F
Thermal pad, mechanical data (Package|Pins)
DGQ|10
PPTD399
Orderable Information
slvsha4_oa
slvsha4_pm
6.3
Recommended Operating Conditions
MIN
TYP
MAX
UNIT
V
VM
Power supply voltage range
(1)
4
18
V
f
PWM
Applied INPUT Signal
0
250
kHz
Irms
Motor rms current per H-bridge
(2)
0
2
A
T
A
Operating ambient temperature
–40
85
°C
(1)
Note that R
DS(ON)
increases and maximum output current is reduced at VM supply voltages below 5 V.
(2)
Power dissipation and thermal limits must be observed.