SLVSD18C
June 2015 – August 2017
DRV8880
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified System Diagram
Microstepping Current Waveform
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
Indexer Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Stepper Motor Driver Current Ratings
7.3.1.1
Peak Current Rating
7.3.1.2
RMS Current Rating
7.3.1.3
Full-Scale Current Rating
7.3.2
PWM Motor Drivers
7.3.3
Microstepping Indexer
7.3.4
Current Regulation
7.3.5
Decay Modes
7.3.5.1
Mode 1: Slow Decay for Increasing and Decreasing Current
7.3.5.2
Mode 2: Slow Decay for Increasing Current, Mixed Decay for Decreasing current
7.3.5.3
Mode 3: Mixed Decay for Increasing and Decreasing Current
7.3.5.4
Mode 4: Slow Decay for Increasing Current, Fast Decay for Decreasing current
7.3.5.5
Mode 5: Fast Decay for Increasing and Decreasing Current
7.3.6
Smart Tune
7.3.7
Adaptive Blanking Time
7.3.8
Charge Pump
7.3.9
LDO Voltage Regulator
7.3.10
Logic and Tri-Level Pin Diagrams
7.3.11
Power Supplies and Input Pins
7.3.12
Protection Circuits
7.3.13
VM UVLO (UVLO2)
7.3.14
Logic Undervoltage (UVLO1)
7.3.15
VCP Undervoltage Lockout (CPUV)
7.3.16
Thermal Shutdown (TSD)
7.3.17
Overcurrent Protection (OCP)
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
Stepper Motor Speed
8.2.2.2
Current Regulation
8.2.2.3
Decay Modes
8.2.2.4
Sense Resistor
8.2.3
Application Curves
9
Power Supply Recommendations
9.1
Bulk Capacitance Sizing
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
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
パッケージ・オプション
デバイスごとのパッケージ図は、PDF版データシートをご参照ください。
メカニカル・データ(パッケージ|ピン)
RHR|28
PWP|28
サーマルパッド・メカニカル・データ
PWP|28
PPTD124Q
RHR|28
QFND246D
発注情報
slvsd18c_oa
slvsd18c_pm
1
Features
Microstepping Stepper Motor Driver
STEP/DIR Interface
Up to 1/16 Microstepping Indexer
Non-Circular and Standard ½ Step Modes
6.5- to 45-V Operating Supply Voltage Range
Multiple Decay Modes to Support Any Motor
Smart tune
Mixed Decay
Slow Decay
Fast Decay
Adaptive Blanking Time for Smooth Stepping
Configurable Off-Time PWM Chopping
10-, 20-, or 30-μs Off-Time
3.3-V, 10-mA LDO Regulator
Low-Current Sleep Mode (28 µA)
Small Package and Footprint
28 HTSSOP (PowerPAD™)
28 WQFN
Protection Features
VM Undervoltage Lockout (UVLO2)
Logic Undervoltage (UVLO1)
Charge Pump Undervoltage (CPUV)
Overcurrent Protection (OCP)
Latched OCP Mode
Retry OCP Mode
Thermal Shutdown (TSD)
Fault Condition Indication Pin (nFAULT)