LB11668M

Ordering number : ENA1889 Monolithic Digital IC LB11668M Overview For Fan Motor Two-Phase Half-Wave Driver The LB11668M is a two-phase uni-polar brushless motor driver for fan motor. Functions • Two-phase half-wave drive. • RD (lock detection) outputs incorporated. • FG (rotation detection) outputs incorporated. • Thermal shutdown circuit incorporated. • Lock protection and automatic return function incorporated. • Output protection zener diode incorporated. • Hall input amplifier incorporated. Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum inflow current Output current Symbol IIN max IOUT ave IOUT peak Output withstand voltage RD output current RD output withstand voltage Allowable power dissipation Operating temperature Storage temperature VOUT max IRD max VRD max Pd max Topr Tstg Mounted on a board * Conditions Ratings 100 400 800 Internal 10 28 800 -30 to +85 -55 to +150 Unit mA mA mA V mA V mW °C °C * Specified board : 114.3mm × 76.1mm × 1.6mm, glass epoxy board. Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. 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. D0110 SY B8-4975 No.A1889-1/4 LB11668M Recommended Operating Conditions at Ta = 25°C Parameter Inflow current range Common-mode input voltage range Symbol IIN VCOM Conditions Ratings 5 to 25 0.2 to VIN -2.3 Unit mA V Electrical Characteristics at Ta = 25°C, VCC=24V, R1=1kΩ, unless otherwise specified. Parameter VIN voltage CT capacitor charging current CT capacitor dis-charging current capacitor charging / dis-charging current ratio CT charging voltage CT dis-charging voltage Output limit withstand voltage Output saturation voltage Hall input sensitivity RD output saturation voltage RD output leak current Thermal protection function operating temperature * Design target value and is not measured. VCTH VCTL VOLM VOL1 VHN VFG/RD IFGL/RDL TSD VCT / VIN VCT / VIN IO = 10mA IO = 200mA Including offset and hysteresis IRD = 5mA VRD = 14V Design target value * 150 66 36 50 70 40 53 0.85 8 0.2 0.1 180 74 44 56 1.1 18 0.5 10 210 % % V V mV V μA °C Symbol VIN ICT1 ICT2 RCT IIN = 6mA CT = 0V CT = 6.0V RCT = ICT1 / ICT2 Conditions min 6.9 0.8 0.12 4.0 Ratings typ 7.2 1.2 0.24 5.0 max 7.6 2.0 0.4 7.0 V μA μA Unit Package Dimensions unit : mm (typ) 3086B 5.0 10 6 Allowable power dissipation, Pd max – mW 1000 Pd max -- Ta Specified board : 114.3×76.1×1.6mm3 glass epoxy 0.63 800 4.4 6.4 600 400 416 1.7max 1 5 0.15 200 0.1 (1.5) 0.35 1.0 (0.5) 0 – 30 – 20 0 20 40 60 80 85 100 Ambient temperature, Ta – °C SANYO : MFP10S(225mil) No.A1889-2/4 LB11668M Pin Assignment 10 RD IN+ NC INOUT1 VIN CT NC OUT2 GND 1 LB11668M Top View 2 3 4 5 9 8 7 6 Block Diagram L1 R1 VCC VIN Thermal protection OUT1 L2 HALL IN+ IN- Control block OUT2 Constant current circuit CT RD GND Truth table INH L IN+ L L H H H OFF L OFF L H Lock protection CT OUT1 L OUT2 H RD L Rotation Mode No.A1889-3/4 LB11668M Application Circuit Example 24V power supply VCC VIN H IN+ INOUT1 OUT2 CT GND RD Substrate parts Notice • Take care not to cause interference due to wiring of IN- and OUT1. • In application of connecting the CT pin to GND, lock protection and restart function are not effective. • If the current value is about 500mA or less, IC cannot be destroyed though the current limited to GND→OUT→ coil → power supply by the coil resistance flows in the reverse-connection of power supply- GND by the above figure application. Di is put between VCC and the coil if there is a necessity. SANYO Semiconductor Co.,Ltd. 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 Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents 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 Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require 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 consent of SANYO Semiconductor 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 Semiconductor Co.,Ltd. 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. Upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of December, 2010. Specifications and information herein are subject to change without notice. PS No.A1889-4/4