SLVS855J
July 2008 – March 2015
DRV8800
,
DRV8801
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Simplified Schematic
5
Revision History
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagrams
9.3
Feature Description
9.3.1
Logic Inputs
9.3.2
VREG (DRV8800 Only)
9.3.3
VPROPI (DRV8801 Only)
9.3.4
Charge Pump
9.3.5
Shutdown
9.3.6
Low-Power Mode
9.3.7
Braking
9.3.8
Diagnostic Output
9.3.9
Thermal Shutdown (TSD)
9.3.10
Overcurrent Protection
9.3.11
SENSE
9.4
Device Functional Modes
9.4.1
Device Operation
9.4.1.1
Slow-Decay SR (Brake Mode)
9.4.1.2
Fast Decay With Synchronous Rectification
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Motor Voltage
10.2.2.2
Power Dissipation
10.2.2.3
Motor Current Trip Point
10.2.2.4
Sense Resistor Selection
10.2.2.5
Drive Current
10.2.3
Application Curves
11
Power Supply Recommendations
11.1
Bulk Capacitance
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Related Links
13.2
Trademarks
13.3
Electrostatic Discharge Caution
13.4
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PWP|16
MPDS371A
RTY|16
MPQF170A
Thermal pad, mechanical data (Package|Pins)
PWP|16
PPTD153P
RTY|16
QFND060D
Orderable Information
slvs855j_oa
slvs855j_pm
8 Parameter Measurement Information
Figure 4. PWM Control Timing
Figure 5. Overcurrent Control Timing