SLOSE84B
August 2022 – October 2023
DRV8452
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and 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
6.5.1
SPI Timing Requirements
6.5.2
STEP and DIR Timing Requirements
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Interface of Operation
7.3.2
Stepper Motor Driver Current Ratings
7.3.2.1
Peak Current Rating
7.3.2.2
RMS Current Rating
7.3.2.3
Full-Scale Current Rating
7.3.3
PWM Motor Drivers
7.3.4
Microstepping Indexer
7.3.5
Indexer Output
7.3.5.1
nHOME Output
7.3.6
Automatic Microstepping Mode
7.3.7
Custom Microstepping Table
7.3.8
Current Regulation
7.3.8.1
Internal Reference Voltage
7.3.9
Standstill Power Saving Mode
7.3.10
Current Regulation Decay Modes
7.3.10.1
Slow Decay
7.3.10.2
Mixed Decay
7.3.10.3
Smart tune Dynamic Decay
7.3.10.4
Smart tune Ripple Control
7.3.10.5
PWM OFF Time
7.3.10.6
Current Regulation Blanking Time and Deglitch Time
7.3.11
Current Sensing with External Resistor
7.3.12
Silent step decay mode
7.3.13
Auto-torque Dynamic Current Adjustment
7.3.13.1
Auto-torque Learning Routine
7.3.13.2
Current Control Loop
7.3.13.3
PD Control Loop
7.3.13.4
Efficiency Improvement with Auto-torque
7.3.14
Charge Pump
7.3.15
Linear Voltage Regulator
7.3.16
VCC Voltage Supply
7.3.17
Logic Level, Tri-Level and Quad-Level Pin Diagrams
7.3.18
Spread Spectrum
7.3.19
Protection Circuits
7.3.19.1
VM Undervoltage Lockout
7.3.19.2
VCP Undervoltage Lockout (CPUV)
7.3.19.3
Logic Supply Power on Reset (POR)
7.3.19.4
Overcurrent Protection (OCP)
7.3.19.4.1
Latched Shutdown
7.3.19.4.2
Automatic Retry
7.3.19.5
Stall Detection
7.3.19.6
Open-Load Detection (OL)
7.3.19.7
Overtemperature Warning (OTW)
7.3.19.8
Thermal Shutdown (OTSD)
7.3.19.8.1
Latched Shutdown
7.3.19.8.2
Automatic Retry
7.3.19.9
Supply voltage sensing
7.3.19.10
nFAULT Output
7.3.19.11
Fault Condition Summary
7.3.20
Device Functional Modes
7.3.20.1
Sleep Mode
7.3.20.2
Disable Mode
7.3.20.3
Operating Mode
7.3.20.4
nSLEEP Reset Pulse
7.3.20.5
Functional Modes Summary
7.4
Programming
7.4.1
Serial Peripheral Interface (SPI) Communication
7.4.1.1
SPI Format
7.4.1.2
SPI for Multiple Target Devices in Daisy Chain Configuration
7.4.1.3
SPI for Multiple Target Devices in Parallel Configuration
7.5
Register Maps
7.5.1
Status Registers
7.5.1.1
FAULT (address = 0x00) [Default = 00h]
7.5.1.2
DIAG1 (address = 0x01) [Default = 00h]
7.5.1.3
DIAG2 (address = 0x02) [Default = 00h]
7.5.1.4
DIAG3 (address = 0x03) [Default = 00h]
7.5.2
Control Registers
7.5.2.1
CTRL1 (address = 0x04) [Default = 0Fh]
7.5.2.2
CTRL2 (address = 0x05) [Default = 06h]
7.5.2.3
CTRL3 (address = 0x06) [Default = 38h]
7.5.2.4
CTRL4 (address = 0x07) [Default = 49h]
7.5.2.5
CTRL5 (address = 0x08) [Default = 03h]
7.5.2.6
CTRL6 (address = 0x09) [Default = 20h]
7.5.2.7
CTRL7 (address = 0x0A) [Default = FFh]
7.5.2.8
CTRL8 (address = 0x0B) [Default = 0Fh]
7.5.2.9
CTRL9 (address = 0x0C) [Default = 10h]
7.5.2.10
CTRL10 (address = 0x0D) [Default = 80h]
7.5.2.11
CTRL11 (address = 0x0E) [Default = FFh]
7.5.2.12
CTRL12 (address = 0x0F) [Default = 20h]
7.5.2.13
CTRL13 (address = 0x10) [Default = 10h]
7.5.3
Indexer Registers
7.5.3.1
INDEX1 (address = 0x11) [Default = 80h]
7.5.3.2
INDEX2 (address = 0x12) [Default = 80h]
7.5.3.3
INDEX3 (address = 0x13) [Default = 80h]
7.5.3.4
INDEX4 (address = 0x14) [Default = 82h]
7.5.3.5
INDEX5 (address = 0x15) [Default = B5h]
7.5.4
Custom Microstepping Registers
7.5.4.1
CUSTOM_CTRL1 (address = 0x16) [Default = 00h]
7.5.4.2
CUSTOM_CTRL2 (address = 0x17) [Default = 00h]
7.5.4.3
CUSTOM_CTRL3 (address = 0x18) [Default = 00h]
7.5.4.4
CUSTOM_CTRL4 (address = 0x19) [Default = 00h]
7.5.4.5
CUSTOM_CTRL5 (address = 0x1A) [Default = 00h]
7.5.4.6
CUSTOM_CTRL6 (address = 0x1B) [Default = 00h]
7.5.4.7
CUSTOM_CTRL7 (address = 0x1C) [Default = 00h]
7.5.4.8
CUSTOM_CTRL8 (address = 0x1D) [Default = 00h]
7.5.4.9
CUSTOM_CTRL9 (address = 0x1E) [Default = 00h]
7.5.5
Auto torque Registers
7.5.5.1
ATQ_CTRL1 (address = 0x1F) [Default = 00h]
7.5.5.2
ATQ_CTRL2 (address = 0x20) [Default = 00h]
7.5.5.3
ATQ_CTRL3 (address = 0x21) [Default = 00h]
7.5.5.4
ATQ_CTRL4 (address = 0x22) [Default = 20h]
7.5.5.5
ATQ_CTRL5 (address = 0x23) [Default = 00h]
7.5.5.6
ATQ_CTRL6 (address = 0x24) [Default = 00h]
7.5.5.7
ATQ_CTRL7 (address = 0x25) [Default = 00h]
7.5.5.8
ATQ_CTRL8 (address = 0x26) [Default = 00h]
7.5.5.9
ATQ_CTRL9 (address = 0x27) [Default = 00h]
7.5.5.10
ATQ_CTRL10 (address = 0x28) [Default = 08h]
7.5.5.11
ATQ_CTRL11 (address = 0x29) [Default = 0Ah]
7.5.5.12
ATQ_CTRL12 (address = 0x2A) [Default = FFh]
7.5.5.13
ATQ_CTRL13 (address = 0x2B) [Default = 05h]
7.5.5.14
ATQ_CTRL14 (address = 0x2C) [Default = 0Fh]
7.5.5.15
ATQ_CTRL15 (address = 0x2D) [Default = 00h]
7.5.5.16
ATQ_CTRL16 (address = 0x2E) [Default = FFh]
7.5.5.17
ATQ_CTRL17 (address = 0x2F) [Default = 00h]
7.5.5.18
ATQ_CTRL18 (address = 0x30) [Default = 00h]
7.5.6
Silent Step Registers
7.5.6.1
SS_CTRL1 (address = 0x31) [Default = 00h]
7.5.6.2
SS_CTRL2 (address = 0x32) [Default = 00h]
7.5.6.3
SS_CTRL3 (address = 0x33) [Default = 00h]
7.5.6.4
SS_CTRL4 (address = 0x34) [Default = 00h]
7.5.6.5
SS_CTRL5 (address = 0x35) [Default = FFh]
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
8.2.3
Application Performance Plots
8.2.4
Thermal Application
8.2.4.1
Power Dissipation
8.2.4.2
Conduction Loss
8.2.4.3
Switching Loss
8.2.4.4
Power Dissipation Due to Quiescent Current
8.2.4.5
Total Power Dissipation
8.2.4.6
Device Junction Temperature Estimation
8.2.4.7
Thermal Images
9
Thermal Considerations
9.1
Thermal Pad
9.2
PCB Material Recommendation
10
Power Supply Recommendations
10.1
Bulk Capacitance
10.2
Power Supplies
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDW|44
MPDS309B
PWP|28
MPDS373B
Thermal pad, mechanical data (Package|Pins)
DDW|44
PPTD374
PWP|28
PPTD376
Orderable Information
slose84b_oa
1
Features
Stepper motor driver
SPI or H/W interface with STEP/DIR pins
Up to
1/256
microstepping indexer
4.5 V to 55 V
operating supply voltage range
Supports standard 24 V and 36 V rails
Low R
DS(ON)
:
100 mΩ
HS + LS at 24 V, 25°C
High current capacity per bridge:
DDW Package:
5 A
full-scale, 3.5A RMS
PWP Package:
4 A
full-scale, 2.8A RMS
DDW package
pin-to-pin compatible
with -
DRV8462
/
61
: 65 V, 3-10A
PWP package
pin-to-pin compatible
with -
SPI:
DRV8434S
: 48 V, 2.5 A
H/W Interface:
DRV8424
/
26
: 33 V, 1.5-2.5 A
Integrated current sensing and regulation
5%
full-scale current accuracy
Smart tune and mixed decay regulation options
Silent step
decay mode for silent operation at standstill and low speed
Automatic Microstepping
mode for step frequency interpolation
Customizable microstepping
indexer table
Auto-torque
for load dependent current control
Standstill Power Saving
mode
Supports 1.8-V, 3.3-V, 5.0-V logic inputs
Low-current sleep mode (3 µA)
Separate logic supply voltage (
VCC
)
Protection and diagnostic features
Sensorless
Stall Detection
VM undervoltage lockout (UVLO)
Open-load detection (OL)
Overcurrent protection (OCP)
Thermal shutdown (OTSD)
Fault condition output (nFAULT)
Indexer zero position output (
nHOME
)