SLASEV7
August 2020 – MONTH
DRV5825P
PRODUCTION DATA
1
Features
2
Applications
3
Description
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
6.7.1
Bridge Tied Load (BTL) Configuration
6.7.2
Parallel Bridge Tied Load (PBTL) Configuration
7
Typical Characteristics
7.1
Bridge Tied Load (BTL) Configuration
7.2
Parallel Bridge Tied Load (PBTL) Configuration
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Power Supplies
8.3.2
Device Clocking
8.3.3
Serial Audio Port – Clock Rates
8.3.4
Clock Halt Auto-recovery
8.3.5
Sample Rate on the Fly Change
8.3.6
Serial Audio Port - Data Formats and Bit Depths
8.3.7
Digital Audio Processing
8.3.8
Class D Audio Amplifier
8.3.8.1
Speaker Amplifier Gain Select
8.3.8.2
Class D Loop Bandwidth and Switching Frequency Setting
8.4
Device Functional Modes
8.4.1
Software Control
8.4.2
Speaker Amplifier Operating Modes
8.4.2.1
BTL Mode
8.4.2.2
PBTL Mode
8.4.3
Low EMI Modes
8.4.3.1
Spread Spectrum
8.4.3.2
Channel to Channel Phase Shift
8.4.3.3
Multi-Devices PWM Phase Synchronization
8.4.3.3.1
Phase Synchronization With I2S Clock In Startup Phase
8.4.3.3.2
Phase Synchronization With GPIO
8.4.4
Device State Control
8.4.5
Device Modulation
8.5
Programming and Control
8.5.1
I2C Serial Communication Bus
8.5.2
I2C Slave Address
8.5.2.1
Random Write
8.5.2.2
Sequential Write
8.5.2.3
Random Read
8.5.2.4
Sequential Read
8.5.2.5
DSP Memory Book, Page and BQ update
8.5.2.6
Checksum
8.5.2.6.1
Cyclic Redundancy Check (CRC) Checksum
8.5.2.6.2
Exclusive or (XOR) Checksum
8.5.3
Control via Software
8.5.3.1
Startup Procedures
8.5.3.2
Shutdown Procedures
8.5.3.3
Protection and Monitoring
8.5.3.3.1
Overcurrent Limit (Cycle-By-Cycle)
8.5.3.3.2
Overcurrent Shutdown (OCSD)
8.5.3.3.3
DC Detect
8.6
Register Maps
8.6.1
CONTROL PORT Registers
9
Application and Implementation
9.1
Application Information
9.1.1
LC Filter Design For Piezo Speaker Driving
9.1.1.1
LC Filter Recommendation
9.1.2
Bootstrap Capacitors
9.1.3
Power Supply Decoupling
9.1.4
Output EMI Filtering
9.2
Typical Applications
9.2.1
2.0 (Stereo BTL) System
9.2.2
Design Requirements
9.2.3
Detailed Design procedures
9.2.3.1
Step One: Hardware Integration
9.2.3.2
Step Two: Hardware Integration
9.2.3.3
Step Three: Software Integration
9.2.4
MONO (PBTL) Systems
10
Power Supply Recommendations
10.1
DVDD Supply
10.2
PVDD Supply
11
Layout
11.1
Layout Guidelines
11.1.1
General Guidelines for Audio Amplifiers
11.1.2
Importance of PVDD Bypass Capacitor Placement on PVDD Network
11.1.3
Optimizing Thermal Performance
11.1.3.1
Device, Copper, and Component Layout
11.1.3.2
Stencil Pattern
11.1.3.2.1
PCB footprint and Via Arrangement
11.1.3.2.2
Solder Stencil
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Device Nomenclature
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
Package Options
Mechanical Data (Package|Pins)
RHB|32
MPQF130D
Thermal pad, mechanical data (Package|Pins)
RHB|32
QFND029X
Orderable Information
slasev7_oa
slasev7_pm
4
Revision History
DATE
REVISION
NOTES
August 2020
*
Initial release.