LC898302AXA Advance Information CMOS LSI Linear Vibrator Driver www.onsemi.com Overview LC898302AXA is a LRA (Linear Resonant Actuator) & ERM (Eccentric Rotating Mass) Driver IC dedicated to haptic feedback actuator and vibrator employed in mobile equipment. Due to the product superior technology, the drive frequency is automatically adjusted to the resonance frequency of the linear vibrator without the use of other external parts. As a result of this very effective drive, the vibration is as powerful as possible using very limited amount of energy compared to classical solutions The drive and brake are fully configurable through the PWM-IF setting. Finally, the original driving waveform allows you to reduce power consumption and it is useful to maintain battery lifetime. WLCSP6, 0.78x1.18 Features 1) Automatic adjustment to the resonance frequency for LRA 2) Automatic braking (EN mode only) 3) Adjustable Drive voltage through PWM-IF setting 4) Adjustable Brake voltage through PWM-IF setting 5) EN/PWM-IF driving mode available by automatic detection 6) low standby current 7) Low power consumption thanks to the highly effective drive 8) Low driving noise (EMI, Audible band) 9) Thermal shutdown protection 10) Available to drive a LRA or ERM. 11) VBAT compliant Applications 1) Mobile Phone 2) Portable Game 3) Mobile equipment with haptics function This document contains information on a new product. Specifications and information herein are subject to change without notice. ORDERING INFORMATION See detailed ordering and shipping information on page 9 of this data sheet. © Semiconductor Components Industries, LLC, 2015 July 2015 - Rev. P0 1 Publication Order Number : LC898302AXA/D LC898302AXA 1 Block Diagram VDD (2.7 to 4.5V) LDO POR Drive signal Generator MODE OUT1 H-bridge Driver PWM LRA ERM OUT2 TSD OSC VSS Fig. 1 2 Absolute Maximum Ratings / VSS = 0V Parameter Symbol Supply voltage range VDD max Input voltage VI1 condition *1 Rating Unit 0.3 to 6.0 V 0.3 to VDD+0.3 V 200 mA TBD mW 30 to 85 C 55 to 125 C IO max H-bridge Drive current Allowable power Pd max Ta=85C, *2 dissipation Operating temperature Ta range Storage temperature Tstg range *1 PWM,MODE pin *2 glass epoxy (50mm x 40mm, t=0.9mm, FR-4) Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. www.onsemi.com 2 LC898302AXA 3 Recommended Operating Conditions/ Ta = 30 to 85 C, VSS = 0V Parameter Symbol condition Supply VDD voltage range Input voltage VIN1 range *1 MODE ,PWM pin Min Typ Max Unit 2.7 - 4.5 V 0 - VDD V *1 Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended Operating Ranges limits may affect device reliability. 4 Electric characteristics 4.1 DC characteristics [VSS = 0V, VDD = 2.7 to 4.5V, Ta = 30 to 85 C] Parameter Symbol Condition High level Input voltage Low level Input voltage High level Input voltage Low level Input voltage Input leakage current VIH VIL Min Typ Max Unit 1.40 - - V - - 0.36 V 0.7VDD - - V - - 0.3VDD V 10 - +10 μA CMOS PWM VIH MODE CMOS VIL IIL Applied pin VI =VDD,VSS PWM, MODE 4.2 AC input characteristics [VSS = 0V, VDD = 2.7 to 4.5V, Ta = 30 to 85 C] Parameter Symbol Min Typ Max Unit Condition Input PWM frequency Ifrq 10.0 - 50.0 kHz 1%<PWM Duty<99% *1 *1) PWM carrier frequency must be set to 128 times of resonant frequency in case of LRA mode. 4.3 Standby current [VSS = 0V, VDD = 3.7V, Ta = 25 C] Parameter Symbol Min Typ Max Unit Condition Stand-by current Pstb - 1.0 3.0 A PWM=”0” Idle current Pidle - 2.5 - mA PWM=Duty 50% Symbol Min Typ Max Unit 4.4 Analog characteristics [VSS = 0V, VDD = 3.7V, Ta = 25 C] Parameter Output Voltage Difference OUT1 and OUT2 VOUT12 H-Bridge ON resistance Pch Ronp H-Bridge ON resistance Nch Ronn Adjustable resonance frequency range Fmo Condition MODE=”0” Input PWM Duty=99% MODE=”1” Input PWM Duty=99% - 2.8 - Vpp - 2.9 - Vpp - 2.5 - Ω IF=100mA Ω IS=100mA % vs Input value 1.0 10 - +10 Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. www.onsemi.com 3 LC898302AXA 5 Pin Assignment 5.1 Pin list I/O -> I : input, O: output, B: bi-direction, P: power supply, NC: not connected NO NAME I/O NO NAME I/O 1A OUT1 O 1B VDD P 2A OUT2 O 2B MODE I 3A GND P 3B PWM I 5.2 Pin layout (PKG: WLCSP6, 0.4mm pitch) PWM GND 3 MODE OUT2 2 VDD OUT1 1 B A < Bottom View > Fig.52 Fig. www.onsemi.com 4 LC898302AXA 6 Pin description I/O -> I: input, O: output, B: bi-direction, P: power supply, NC: not connected Signal name I/O Function Remarks OUT1 O Motor drive pin H-bridge output OUT2 O Motor drive pin H-bridge output MODE I Motor select pin L : LRA, PWM I Driving control pin EN control or PWM control input VDD P Power supply pin VSS P GND pin www.onsemi.com 5 H : ERM LC898302AXA 7 Package Dimensions unit : mm WLCSP6, 0.78x1.18 CASE 567KP ISSUE O NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994. 2. CONTROLLING DIMENSION: MILLIMETERS. 3. COPLANARITY APPLIES TO SPHERICAL CROWNS OF SOLDER BALLS. A B E PIN A1 REFERENCE D 0.05 C 2X 0.05 C 2X DIM A A1 b D E e TOP VIEW A 0.10 C MILLIMETERS MIN MAX 0.65 0.07 0.17 0.15 0.25 0.78 BSC 1.18 BSC 0.40 BSC A1 RECOMMENDED SOLDERING FOOTPRINT* 0.08 C NOTE 3 6X C SIDE VIEW 0.40 PITCH A1 PACKAGE OUTLINE e b 0.05 C A B 0.03 C SEATING PLANE 6X e B 0.40 PITCH A 1 2 3 BOTTOM VIEW 0.20 DIMENSIONS: MILLIMETERS *For additional information on our Pb-Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. Fig. 3 www.onsemi.com 6 LC898302AXA 8 AC Characteristic 8.3 AC Characteristic (VDD) [VSS = 0V, VDD =2.7 to 4.5V, Ta = 30 to +85 C] Parameter Symbol Min VDD Rising Time TVDDUP - Typ Max Unit comment - 100 ms - 90% VDD 10% tVDDUP Fig. 4 8.4 AC Characteristics (Start Up Time) [VSS = 0V, VDD =2.7 to 4.5V, Ta = 30 to +85 C] Parameter Symbol Min tstup Start Up Time - Typ Max Unit comment 0.55 - ms - 90% PWM tstup OUT1 Start to drive Fig. 5 www.onsemi.com 7 LC898302AXA 9 Application Information 9.1 LRA mode VBAT 0.1F VDD control Application Processor PWM OUT1 LRA OUT2 MODE GND 9.2 ERM mode VBAT 0.1F VDD control Application Processor Radj PWM OUT1 OUT2 ERM MODE GND Note : ERM driving voltage is able to be adjusted by Radj resister. www.onsemi.com 8 LC898302AXA ORDERING INFORMATION Device LC898302AXA-MH Package Shipping (Qty / Packing) WLCSP6, 0.78x1.18 (Pb-Free / Halogen Free) 5000 / Tape & Reel † For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. http://www.onsemi.com/pub_link/Collateral/BRD8011-D.PDF ON Semiconductor and the ON logo are registered trademarks of Semiconductor Components Industries, LLC (SCILLC) or its subsidiaries in the United States and/or other countries. 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