SLVSDH4
March 2017
DRV8871-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
Peak Current Regulation
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 Diagram
7.3
Feature Description
7.3.1
Bridge Control
7.3.2
Sleep Mode
7.3.3
Current Regulation
7.3.4
Dead Time
7.3.5
Protection Circuits
7.3.5.1
VM Undervoltage Lockout (UVLO)
7.3.5.2
Overcurrent Protection (OCP)
7.3.5.3
Thermal Shutdown (TSD)
7.4
Device Functional Modes
7.4.1
PWM With Current Regulation
7.4.2
PWM Without Current Regulation
7.4.3
Static Inputs With Current Regulation
7.4.4
VM Control
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
Motor Voltage
8.2.2.2
Drive Current
8.2.3
Application Curves
9
Power Supply Recommendations
9.1
Bulk Capacitance
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Thermal Considerations
10.4
Power Dissipation
10.4.1
Heatsinking
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Receiving Notification of Documentation Updates
11.3
Community Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDA|8
MPDS092F
Thermal pad, mechanical data (Package|Pins)
DDA|8
PPTD178C
Orderable Information
slvsdh4_oa
slvsdh4_pm
8.2.3
Application Curves
Figure 8.
Current Ramp With a 2-Ω, 1 mH,
RL Load and VM = 12 V
Figure 10.
Current Ramp With a 2-Ω, 1 mH,
RL Load and VM = 45 V
Figure 12.
Current Regulation With R
ILIM
= 50.5 kΩ
Figure 9.
Current Ramp With a 2-Ω, 1 mH,
RL Load and VM = 24 V
Figure 11.
t
PD
Figure 13.
OCP With 45 V and the Outputs Shorted Together