DRV2603 www.ti.com SLOS786 – APRIL 2012 Haptic Driver with Auto Resonance Tracking for Linear Resonance Actuators (LRA) and Optimized Drive for Eccentric Rotating Mass Actuators (ERM) FEATURES DESCRIPTION • The DRV2603 is a haptic driver designed specifically to solve common obstacles in driving both Linear Resonance Actuator (LRA) and Eccentric Rotating Mass (ERM) haptic elements. The DRV2603 is also designed for low latency, has excellent efficiency, and plenty of drive strength for actuators commonly used in the portable market. 1 • • • • • • • • • Flexible Haptic/Vibra Driver – LRA (Linear Resonance Actuator) – ERM (Eccentric Rotating Mass) Auto Resonance Tracking for LRA – No Frequency Calibration Required – Automatic Drive Commutation – Automatic Braking Algorithm – Wide Input PWM Frequency Range Constant Vibration Strength Over Supply Automatic Input Level Translation 0% to 100% Duty Cycle Control Range Fast Start Up Time Differential Drive from Single-Ended Input Wide Supply Voltage Range of 2.5 V to 5.2 V 1.8 V Compatible, 5 V Tolerant Digital Pins Available in a 2 mm × 2 mm × 0.75 mm leadless QFN package (RUN) LRA actuators typically have a narrow frequency band over which they have an adequate haptic response. This frequency window is typically ±2.5 Hz wide or less, so driving an LRA actuator presents a challenge. The DRV2603 solves this problem by employing auto resonance tracking, which automatically detects and tracks the optimum commutation frequency. This means that any input PWM frequency within the input range (10 kHz to 250 kHz) will automatically produce the correct resonant output frequency. As an additional benefit, the DRV2603 implements an optimal braking algorithm to stop the LRA from ringing out, leaving the user with a crisp haptic sensation. For both ERM and LRA actuators, the DRV2603 automatic input level translation solves issues with low voltage PWM sources without adding additional external components, so if the digital I/O levels vary, the output voltage does not change. The DRV2603 also has supply correction that ensures no supply regulation is required for constant vibration strength, allowing an efficient, direct-battery connection. APPLICATIONS • • • Mobile Phones Tablets Touch Enabled Devices VDD DRV2603 2.5 V – 5.2 V VDD Gate Drive Supply Correction EN LRA / ERM PWM Level Correction Control Engine OUT+ LRA or DC Motor Back-EMF Detection Gate Drive OUT- GND 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. Copyright © 2012, Texas Instruments Incorporated PRODUCT PREVIEW Check for Samples: DRV2603 PACKAGE OPTION ADDENDUM www.ti.com 10-Jul-2012 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Qty Eco Plan (2) Lead/ Ball Finish MSL Peak Temp (3) DRV2603RUNR ACTIVE QFN RUN 10 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR DRV2603RUNT ACTIVE QFN RUN 10 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEAR Samples (Requires Login) (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. 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Addendum-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 11-Jul-2012 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant DRV2603RUNR QFN RUN 10 3000 180.0 8.4 2.3 2.3 1.15 4.0 8.0 Q2 DRV2603RUNT QFN RUN 10 250 180.0 8.4 2.3 2.3 1.15 4.0 8.0 Q2 Pack Materials-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 11-Jul-2012 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) DRV2603RUNR QFN RUN 10 3000 210.0 185.0 35.0 DRV2603RUNT QFN RUN 10 250 210.0 185.0 35.0 Pack Materials-Page 2 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. 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