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| Ordering number : ENN7103 Monolithic Digital IC LB11676V Three-Phase Brushless Sensorless Motor Driver for Headphone Stereo Motor Drive Overview The LB11676V is a three-phase brushless motor driver that is optimal for portable electronic equipment such as headphone stereos and microcassette recorders. The LB11676V supports implementing power saving drive techniques using an external capacitor and can achieve lower power consumption levels than earlier devices. Package Dimensions unit: mm 3175B-SSOP24 [LB11676V] 7.8 24 5.6 SANYO: SSOP24 (275 mil) Specifications Absolute Maximum Ratings at Ta = 25C Parameter Supply voltage Output transistor voltage Output current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max VO sus IO max Pd max Topr Tstg Independent IC, Tj = 125C Conditions Ratings 5.0 9.0 0.6 0.4 0 to +80 -40 to +125 Unit V V A W C C Allowable Operating Ranges at Ta = 25C Parameter Supply voltage Symbol VCC1 Conditions Ratings 1.0 to 3.5 Unit V Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein. SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 80502RM (OT) No. 7103-1/8 0.1 * Brushless sensorless motor drive (3-phase, half-wave drive) * Supports forward and reverse rotation. * Speed control function * Built-in reference voltage circuit * Soft switching drive 1 1.5max (0.33) 0.65 0.22 (1.3) 0.15 0.5 7.6 Functions LB11676V Electrical Characteristics at Ta = 25C, VCC = 1.5 V (In the specified test circuit) Parameter Supply current Supply current Quiescent current Reference voltage Reference voltage Voltage regulation Load regulation Temperature characteristics Speed signal Detection speed Inter-phase error Voltage regulation Temperature characteristics Current detection Current detection accuracy Current detection ratio Other items Startup pulse period Output saturation voltage TC pin pull-in current Logic inputs High-level input voltage Low-level input voltage VIH VIL 0.9 0.3 V V TS VO sat ITC CS = 0.1 F VCC = 1.0 V, Im = 0.3 A 17 21.7 0.15 25 0.25 32 ms V A VRI KI VIN1 = 0.3 V, VIN2 = 1.0 V, RI = 330 VIN1 = 0.3 V, VIN2 = 1 to 1.3 V 75 0.17 85 0.22 100 0.27 mV VSP VSPC VSPV VSPTA VCC = 1.0 to 3.5 V VIN = 0.75 V, Ta = 0 to 80C VIN = 1.0 V 180 -5 2 0.05 200 220 +5 3 mV % %/V %/C VREF VREFV VREFO VREFT VCC = 1.0 to 3.5 V Iref = 0 to -50 A Ta = 0 to 80C -0.2 0.49 0.52 1 -0.06 0.01 0.55 1.5 V %/V V %/C ICC ICCQ 2.2 0 3.5 10 mA A Symbol Conditions Ratings min typ max Unit Allowable power dissipation, Pdmax - W 0.5 Pd max -- Ta 0.4 0.3 0.2 0.1 0 0 20 Ambient temperature, Ta - C 40 60 80 100 ILB01466 No. 7103-2/8 LB11676V Block Diagram VCC 0.22F 0.22F 0.22F P-GND Current detection S-GND WOUT UOUT VOUT DW DU DV VCC VCC PV VCC FC OUT RI 1F 330 PW PU Predriver TC2 0.01F Soft switching TC1 Power supply bias S/S Commutation and startup logic Reference voltage Oscillator circuit VREF 10k VCC OSC VCC 0.22F DR Startup detection + -- + -- + -- Speed detection VSP IN+ 0.1F ILB01467 External component values are provided for reference purposes; these are not necessarily optimal values. 20k + -- No. 7103-3/8 LB11676V Pin Functions Pin No. Symbol Voltage Function VCC Equivalent circuit Motor coil connections 1 23 3 24 22 2 V W U DV 43k 43k 43k 3 1 23 DW DU Motor coil connections GND 2 24 22 4 GND Ground for both power and signal systems VCC 50A 2A 2k 7 50k 2k 7 OSC Sets the startup pulse period. GND 18 DR Direction switching pin (High: forward) DR 18 10k 100A 25A GND 4 30k This is an active-low input. 10k 4 START Start/stop control. 100k 10k 20k 8 VREF 0.52 V Reference voltage (0.5 V) 8 Continued on next page. No. 7103-4/8 5k LB11676V Continued from preceding page. Pin No. Symbol Voltage Function VCC Equivalent circuit 9 VSP Speed signal (motor induction voltage) detection 2k 9 2k GND VCC 25A 10 IN+ Speed signal error amplifier reference input 2k 10 GND VCC 11 OUT Speed signal error amplifier output. The motor current is fed back. 11 1k GND 12 RI Detects the motor current. 12 1k GND 11 VCC 5k 100A 13 13 TC1 Sets the slope of the rise and fall of the motor current. GND VCC 5k 100A 14 14 TC2 Sets the slope of the rise and fall of the motor current. GND 500 500 Continued on next page. No. 7103-5/8 LB11676V Continued from preceding page. Pin No. Symbol Voltage Function VCC Equivalent circuit 20k 20k 20k 16 17 PU PV to 0.9 V Internal operation measurement. These pins must be left open during normal operation. 1k GND 17 16 15 VCC 19 PC 0.7 V Oscillation prevention. 19 GND 6 5 VCC GND Power supply Ground for both power and signal systems 1k No. 7103-6/8 1k 15 PW 0.8 V Forms the current waveform. LB11676V Pin Assignment 1 V DV 24 2 DU W 23 3 U DW 22 4 START NC 21 5 PGND PGND 20 6 VCC1 FC 19 LB11676 7 OSC DR 18 8 VREF PV 17 9 VSP PU 16 10 IN+ PW 15 11 OUT TC2 14 12 RI TC1 13 Top view No. 7103-7/8 LB11676V Specifications of any and all SANYO products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO products (including technical data, services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of SANYO Electric Co., Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of August, 2002. Specifications and information herein are subject to change without notice. PS No. 7103-8/8 |
Price & Availability of LB11676V
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