Haptic Driver. DRV2605L-Q1 Datasheet

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DRV2605L-Q1 Datasheet
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Part DRV2605L-Q1
Description Automotive Haptic Driver
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DRV2605L-Q1
SLOS874B – OCTOBER 2015 – REVISED APRIL 2018
DRV2605L-Q1 Automotive Haptic Driver for LRA and ERM
with Effect Library and Smart-Loop Architecture
1 Features
1 Qualified for Automotive Applications
• AEC-Q100 Qualified with the Following Results:
– Device Temperature Grade 2: –40°C to 105°C
– Device HBM ESD Classification Level 1B
– Device CDM ESD Classification Level C6
• Flexible Haptic and Vibration Driver
– LRA (Linear Resonance Actuator)
– ERM (Eccentric Rotating Mass)
• I2C-Controlled Digital Playback Engine
– Waveform Sequencer and Trigger
– Real-Time Playback Mode through I2C
– I2C Dual-Mode Drive (Open and Closed Loop)
• Smart-Loop Architecture (Patent Pending Control
Algorithm)
– Automatic Overdrive and Braking
– Automatic Resonance Tracking and Reporting
(LRA Only)
– Automatic Actuator Diagnostic
– Automatic Level Calibration
– Wide Support for Actuator Models
• Licensed Immersion TouchSense® 2200 Features:
– Integrated Immersion Effect Library
– Audio-to-Vibe
• Drive Compensation Over Battery Discharge
• Wide Voltage Operation (2 V to 5.2 V)
• Efficient Differential Switching Output Drive
• PWM Input with 0% to 100% Duty-Cycle Control
Range
• Hardware Trigger Input
• Fast Startup Time
• 1.8-V Compatible, VDD-Tolerant Digital Interface
3 Description
The DRV2605L-Q1 device is an automotive haptic
driver that includes a haptic-effect library and
provides a closed-loop actuator-control system for
high-quality tactile feedback for ERM and LRA. This
schema helps improve actuator performance in terms
of acceleration consistency, start time, and brake time
and is accessible through a shared I2C compatible
bus or PWM input signal.
The DRV2605L-Q1 device offers a licensed version
of TouchSense 2200 software from Immersion which
eliminates the requirement to design haptic
waveforms because the software includes over 100
licensed effects (6 ERM libraries and 1 LRA library)
and audio-to-vibe features.
Additionally, the real-time playback mode allows the
host processor to bypass the library playback engine
and play waveforms directly from the host through
I2C.
The smart-loop architecture inside the DRV2605L-Q1
device allows simple auto-resonant drive for the LRA
as well as feedback-optimized ERM drive allowing for
automatic overdrive and braking. The smart-loop
architecture creates a simplified input waveform
interface as well as reliable motor control and
consistent motor performance. The DRV2605L-Q1
also allows for open-loop driving through the use of
internally-generated PWM. Additionally, the audio-to-
vibe mode automatically converts an audio input
signal to meaningful tactile effects.
For an important notice regarding Immersion
software, see the Legal Notice section.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (MAX)
DRV2605L-Q1
VSSOP (10)
3.00 mm × 3.00 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
2 Applications
• Touch-Enabled Infotainment
• Mechanical Button Replacement
• Automotive Body Controls
• Driver Alerts
VDD
SDA
SCL
EN
IN/TRIG
REG
Simplified Schematic
Supply
correction
I2C I/F
REG
ROM
Control and
playback
engine
Gate
drive
Back-EMF
detection
Gate
drive
OUT+
LRA
M or
ERM
OUT±
GND
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.



Texas Instruments DRV2605L-Q1
DRV2605L-Q1
SLOS874B – OCTOBER 2015 – REVISED APRIL 2018
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Timing Requirements ................................................ 5
6.7 Switching Characteristics .......................................... 5
6.8 Typical Characteristics .............................................. 7
7 Detailed Description .............................................. 9
7.1 Overview ................................................................... 9
7.2 Functional Block Diagram ......................................... 9
7.3 Feature Description................................................. 10
7.4 Device Functional Modes........................................ 18
7.5 Programming........................................................... 21
7.6 Register Map........................................................... 32
8 Application and Implementation ........................ 52
8.1 Application Information............................................ 52
8.2 Typical Application .................................................. 53
8.3 Initialization Setup ................................................... 56
9 Power Supply Recommendations...................... 57
10 Layout................................................................... 58
10.1 Layout Guidelines ................................................. 58
10.2 Layout Example .................................................... 59
11 Device and Documentation Support ................. 60
11.1 Device Support...................................................... 60
11.2 Documentation Support ........................................ 61
11.3 Receiving Notification of Documentation Updates 61
11.4 Community Resource............................................ 61
11.5 Trademarks ........................................................... 61
11.6 Electrostatic Discharge Caution ............................ 61
11.7 Glossary ................................................................ 61
12 Mechanical, Packaging, and Orderable
Information ........................................................... 62
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision A (October 2015) to Revision B
Page
• Added: 7: TS2200 Library F to Table 7 ................................................................................................................................ 35
Changes from Original (October 2015) to Revision A
Page
• Changed the datasheet from Product Preview to Production Data ....................................................................................... 1
• Changed minimum supported resonant frequency from 50 Hz to 125 Hz ............................................................................ 4
• Added digital pulldown resistance parameter to Electrical Characteristics ............................................................................ 5
• Changed calibration diagram to include DRIVE_TIME into ERM requirements .................................................................. 25
• Changed bitfield name from "LRA_DRIVE_MODE" to "OTP_STATUS".............................................................................. 49
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Copyright © 2015–2018, Texas Instruments Incorporated
Product Folder Links: DRV2605L-Q1



Texas Instruments DRV2605L-Q1
www.ti.com
5 Pin Configuration and Functions
DGS Package
10-Pin VSSOP
(Top View)
DRV2605L-Q1
SLOS874B – OCTOBER 2015 – REVISED APRIL 2018
REG
SCL
SDA
IN/TRIG
EN
1
2
3
4
5
10 VDD
9 OUT±
8 GND
7 OUT+
6 VDD/NC
Not to scale
Pin Functions
PIN
NO. NAME
TYPE (1)
DESCRIPTION
1
REG
O The REG pin is the 1.8-V regulator output. A 1-µF capacitor required
2
SCL
I I2C clock
3
SDA
I/O I2C data
4
IN/TRIG
I
Multi-mode Input. I2C is selectable as PWM, analog, or trigger. If not used, this pin should
be connected to GND
5 EN I Device enable
6
VDD/NC
P Optional supply input. This pin should be tied to VDD or left floating.
7
OUT+
O Positive haptic driver differential output
8
GND
P Supply ground
9
OUT–
O Negative haptic driver differential output
10 VDD P Supply Input (2 V to 5.2 V). A 1-µF capacitor is required.
(1) I = input, O = output, I/O = input and output, P = power
Copyright © 2015–2018, Texas Instruments Incorporated
Product Folder Links: DRV2605L-Q1
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