ZHCSEH1A
December 2015 – December 2015
DRV2625
PRODUCTION DATA.
1
特性
2
应用范围
3
说明
4
修订历史记录
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
6.6
Timing Requirements
6.7
Switching Characteristics
6.8
Typical Characteristics
7
Parameter Measurement Information
7.1
Test Setup for Graphs
7.1.1
Default Test Conditions
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Support for ERM and LRA Actuators
8.3.2
Smart-Loop Architecture
8.3.2.1
Auto-Resonance Engine for LRA
8.3.2.2
Real-Time Resonance-Frequency Reporting for LRA
8.3.2.3
Automatic Switch to Open-Loop for LRA
8.3.2.4
Automatic Overdrive and Braking
8.3.2.4.1
Startup Boost
8.3.2.4.2
Brake Factor
8.3.2.5
Automatic Level Calibration
8.3.2.5.1
Automatic Compensation for Resistive Losses
8.3.2.5.2
Automatic Back-EMF Normalization
8.3.2.5.3
Calibration Time Adjustment
8.3.2.5.4
Loop-Gain Control
8.3.2.5.5
Back-EMF Gain Control
8.3.2.6
Actuator Diagnostics
8.3.2.7
Automatic Re-Synchronization
8.3.3
Open-Loop Operation
8.3.3.1
Waveform Shape Selection for LRA
8.3.3.2
Automatic Braking in Open Loop
8.3.4
Flexible Front-End Interface
8.3.4.1
Internal Memory Interface
8.3.4.1.1
Library Parameterization
8.3.4.1.2
Playback Interval
8.3.4.1.3
Waveform Sequencer
8.3.4.2
Real-Time Playback (RTP) Interface
8.3.4.3
Process Trigger
8.3.5
Noise Gate Control
8.3.6
Edge Rate Control
8.3.7
Constant Vibration Strength
8.3.8
Battery Voltage Reporting
8.3.9
Ultra Low-Power Shutdown
8.3.10
Automatic Go-To-Stand-by (Low Power)
8.3.11
I2C Watchdog Timer
8.3.12
Device Protection
8.3.12.1
Thermal Sensor
8.3.12.2
Over-Current Protection
8.3.12.3
VDD UVLO Protection
8.3.12.4
Brownout Protection
8.3.13
POR
8.3.14
Silicon Revision Control
8.3.15
Support for LRA and ERM Actuators
8.3.16
Multi-Purpose Pin Functionality
8.3.16.1
Trigger-Pulse Functionality
8.3.16.2
Trigger-Level (Enable) Functionality
8.3.16.3
Interrupt Functionality
8.3.17
Automatic Transition to Standby State
8.3.18
Automatic Brake into Standby
8.3.19
Battery Monitoring and Power Preservation
8.4
Device Functional Modes
8.4.1
Power States
8.4.2
Operation With VDD < 2.5 V (Minimum VDD)
8.4.3
Operation With VDD > 6 V (Absolute Maximum VDD)
8.4.4
Operation in Shutdown State
8.4.5
Operation in STANDBY State
8.4.6
Operation in ACTIVE State
8.4.7
Changing Modes of Operation
8.5
Operation During Exceptional Conditions
8.5.1
Operation With No Actuator Attached
8.5.2
Operation With a Non-Moving Actuator Attached
8.5.3
Operation With a Short at REG Pin
8.5.4
Operation With a Short at OUT+, OUT-, or Both
8.6
Programming
8.6.1
Auto-Resonance Engine Programming for the LRA
8.6.1.1
Drive-Time Programming
8.6.1.2
Current-Dissipation Time Programming
8.6.1.3
Blanking Time Programming
8.6.1.4
Zero-Crossing Detect-Time Programming
8.6.2
Automatic-Level Calibration Programming
8.6.2.1
Rated Voltage Programming
8.6.2.2
Overdrive Voltage-Clamp Programming
8.6.3
I2C Interface
8.6.3.1
TI Haptic Broadcast Mode
8.6.3.2
I2C Communication Availability
8.6.3.3
General I2C Operation
8.6.3.4
Single-Byte and Multiple-Byte Transfers
8.6.3.5
Single-Byte Write
8.6.3.6
Multiple-Byte Write and Incremental Multiple-Byte Write
8.6.3.7
Single-Byte Read
8.6.3.8
Multiple-Byte Read
8.6.4
Programming for Open-Loop Operation
8.6.4.1
Programming for ERM Open-Loop Operation
8.6.4.2
Programming for LRA Open-Loop Operation
8.6.5
Programming for Closed-Loop Operation
8.6.6
Diagnostics Routine
8.6.7
Calibration Routine
8.6.8
Waveform Playback Programming
8.6.8.1
Data Formats for Waveform Playback
8.6.8.2
Open-Loop Mode
8.6.8.3
Closed-Loop Mode
8.6.9
Waveform Setup and Playback
8.6.9.1
Waveform Playback Using RTP Mode
8.6.9.2
Waveform Sequencer
8.6.9.3
Waveform Playback Triggers
8.6.9.3.1
Playback Trigger Without Automatic Brake into Standby
8.6.9.3.1.1
Playback Trigger With Automatic Brake into Standby (SimpleDrive)
8.7
Register Map
8.7.1
Address: 0x00
8.7.2
Address: 0x01
8.7.3
Address: 0x02
8.7.4
Address: 0x03
8.7.5
Address: 0x04
8.7.6
Address: 0x05
8.7.7
Address: 0x06
8.7.8
Address: 0x07
8.7.9
Address: 0x08
8.7.10
Address: 0x09
8.7.11
Address: 0x0A
8.7.12
Address: 0x0B
8.7.13
Address: 0x0C
8.7.14
Address: 0x0D
8.7.15
Address: 0x0E
8.7.16
Address: 0x0F
8.7.17
Address: 0x10
8.7.18
Address: 0x11
8.7.19
Address: 0x12
8.7.20
Address: 0x13
8.7.21
Address: 0x14
8.7.22
Address: 0x15
8.7.23
Address: 0x16
8.7.24
Address: 0x17
8.7.25
Address: 0x18
8.7.26
Address: 0x19
8.7.27
Address: 0x1A
8.7.28
Address: 0x1B
8.7.29
Address: 0x1C
8.7.30
Address: 0x1D
8.7.31
Address: 0x1F
8.7.32
Address: 0x20
8.7.33
Address: 0x21
8.7.34
Address: 0x22
8.7.35
Address: 0x23
8.7.36
Address: 0x24
8.7.37
Address: 0x25
8.7.38
Address: 0x26
8.7.39
Address: 0x27
8.7.40
Address: 0x28
8.7.41
Address: 0x29
8.7.42
Address: 0x2A
8.7.43
Address: 0x2C
8.7.44
Address: 0x2E
8.7.45
Address: 0x2F
8.7.46
Address: 0x30
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Actuator Selection
9.2.2.1.1
Eccentric Rotating-Mass Motors (ERM)
9.2.2.1.2
Linear Resonance Actuators (LRA)
9.2.2.1.2.1
Auto-Resonance Engine for LRA
9.2.2.2
Capacitor Selection
9.2.2.3
Interface Selection
9.2.2.4
Power Supply Selection
9.2.3
Application Curves
9.3
Initialization Set Up
9.3.1
Initialization Procedure
9.3.2
Typical Usage Examples
9.3.2.1
Play a Waveform or Waveform Sequence from the ROM Waveform Memory
9.3.2.2
Play a Real-Time Playback (RTP) Waveform
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Examples
12
器件和文档支持
12.1
器件支持
12.1.1
Waveform Library Effects List
12.2
商标
12.3
静电放电警告
12.4
Glossary
13
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
YFF|9
MXBG144B
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcseh1a_oa
zhcseh1a_pm