SLVSCC0D
November 2013 – October 2019
DRV8850
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
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
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Power Supervisor
7.3.2
Bridge Control
7.3.3
Current Sensing – VPROPI
7.3.4
Slew-Rate Control
7.3.5
Dead Time
7.3.6
Propagation Delay
7.3.7
Power Supplies and Input Pins
7.3.8
LDO Voltage Regulator
7.3.9
Protection Circuits
7.3.9.1
Overcurrent Protection (OCP)
7.3.9.2
Thermal Shutdown (TSD)
7.3.9.3
Undervoltage Lockout (UVLO)
7.3.9.4
Overvoltage Lockout (OVLO)
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
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
10.3.1
Power Dissipation
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)
RGY|24
MPQF143E
Thermal pad, mechanical data (Package|Pins)
RGY|24
QFND534A
Orderable Information
slvscc0d_oa
slvscc0d_pm
1
Features
H-Bridge Motor Driver
Drives a DC Motor, One Winding of a Stepper Motor, or Other Loads
Low MOSFET On-Resistance: 65 mΩ HS + LS at 4.2V, 25°C
5-A Continuous 8-A Peak-Drive Current
Internal Current Sensing With Current Sense Output
2 to 5.5-V Operating Supply Voltage Range
Overvoltage and Undervoltage Lockout
Low-Power Sleep Mode
100-mA Isolated Low-Dropout (LDO) Voltage Regulator
24-Pin VQFN Package