Ordering number : ENA0674 LB11683V Monolithic Digital IC Three-Phase Sensorless Motor Driver Overview The LB11683V is a three-phase full-wave current-linear-drive motor driver IC. It adopts a sensorless control system without the use of a Hall effect device. For quieter operation, the LB11683V features a current soft switching circuit and is optimal for driving the cooling fan motors used in refrigerators, etc. Functions • Current linear drive • Built-in current limiter circuit • Output stage oversaturation prevention circuit • Coil counter-electromotive FG output • Built-in thermal shutdown circuit • Beat lock prevention circuit • Lock protection circuit • Lock detection output Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Supply voltage Symbol Conditions VCC max Ratings Unit 14.5 V 14.5 V Output applied voltage VO max Input applied voltage VI max -0.3 to VCC+0.3 V Output current IO max 1.5 A Allowable power dissipation Pd max 0.5 W Operating temperature Topr -30 to +85 °C Storage temperature Tstg -55 to +150 °C Independent IC 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. 62707 SY IM B8-8707 No. A0674-1/7 LB11683V Allowable Operating Conditions at Ta = 25°C Parameter Symbol Conditions Ratings Supply voltage 1 VCC All operating circuits other than internal 5V Reg. Supply voltage 2 VCC All operating circuits. Unit 5.5 to 7.0 V 7.0 to 13.8 V Electrical Characteristics at Ta = 25°C, VCC = 12V Parameter Symbol Ratings Conditions min typ Unit max Supply current ICC VC=VCC VFC=0V 10 15 mA Output saturation voltage 1 VOSAT1 IO=0.4A, Source+Sink 1.4 2.0 V Output saturation voltage 2 VOSAT2 IO=0.8A, Source+Sink, RF=0Ω 1.8 2.6 V MCOM pin common-phase input voltage VIC VCC-2 V 0 range PCOUT output current 1 IPCOU Source side -90 µA PCOUT output current 2 IPCOD Sink side 90 µA VCOIN input current IVCOIN VCOIN=5V 0.1 0.2 µA VCO minimum frequency fVCOMIN VCOIN=open 330 400 500 Hz 14.8 18.5 22.3 kHz CX=0.022µF VCO maximum frequency fVCOMAX VCOIN=5V CX=0.022µF C1, C2 source current ratio RSOURCE 1-(IC1SOURCE/IC2SOURCE) -12 +12 % C1, C2 sink current ratio RSINK 1-(IC1SINK/IC2SINK) -12 +12 % C1 source, sink current ratio RC1 IC1SOURCE/IC1SINK 50 % C2 source, sink current ratio RC2 IC2SOURCE/IC2SINK 50 % Counter-electromotive FG output ON VOL IFGO=1mA CT pin charge current ICT1 Source current 1.2 1.6 µA CT pin discharge current ICT2 Sink current 50 77 nA 0.4 voltage V Lock protection detection voltage VRD1 2.3 2.45 2.6 Lock protection reset voltage VRD2 1.13 1.26 1.39 V RD pin leak current IRDLEAK 10 µA RD pin output LO voltage VRDL IO=1mA 100 400 mV 0.45 0.5 0.55 V TTSD Design target * 150 180 210 °C ∆TTSD Design target * Current limiter setting voltage Thermal shutdown operating temperature Thermal shutdown hysteresis 15 V °C *: Design target value and no measurement is made. No. A0674-2/7 LB11683V Package Dimensions unit : mm (typ) 3315 Pd max - Ta 9.75 0.5 5.6 13 7.6 24 1 12 0.8 0.15 0.3 1.5MAX (1.3) (0.48) Allowable power dissipation, Pd max - W 0.6 Independent IC 0.5 0.4 0.3 0.26 0.2 0.1 0 -30 -10 10 30 50 70 0.1 Ambient temperature, Ta - °C 90 110 ILB01809 SANYO : SSOP24J(275mil) Pin Assignment 1 UOUT VOUT 24 2 WOUT RF 23 3 NC NC 22 4 MCOM NC 21 5 VCC NC 20 6 UIN FC 19 7 VIN BFGO 18 8 WIN CT 17 9 C1 RD 16 10 C2 GND 15 11 CX GND 14 12 VCOIN PCOUT 13 LB11683V Top view No. A0674-3/7 0.1µF 0.022µF 0.47µF 560kΩ 0.022µF 0.022µF 50kΩ FC CX VCOIN PCOUT C2 C1 BFGC PLL Startup control circuit Thermal shutdown circuit 0.5V VCO Soft switching driver circuit 200Ω Beat lock prevention circuit 8 divider Timing control circuit Mask circuit Rotor detection circuit Lock protection circuit Upper side saturation prevention control WOUT VOUT UOUT MCOM VCC CT RD 50kΩ GND RF 0.5Ω 0.01µF 0.1µF LB11683V Block Diagram ILB01810 No. A0674-4/7 Output drive circuit LB11683V Pin Functions Pin No. Symbol 24 UOUT 1 VOUT 2 WOUT 23 RF Pin Voltage Equivalent Circuit Diagram Description VCC 3.9Ω 20µF 10kΩ 3.9Ω 30kΩ VCC 4 MCOM 23 24 6 1 7 2 8 Constant current control is made through detection of this voltage. The current limiter also functions by detecting this potential. 8 to 13.8V Power supply Motor coil neutral point input pin. VCC The coil voltage waveform is detected with 24 1 2 6 UIN 10kΩ 6 7 8 VIN 8 WIN 9 C1 reference to this voltage. 200Ω 4 200Ω Coil waveform detection comparator input pin. 200Ω 2kΩ 7 Minimum potential of 3-phase motor driver output transistor. 30kΩ 5 3-phase motor driver output This pin is connected to each phase output through the internal 10kΩ resistor. VCC 15µF 9 15µF VREG Triangular wave generating capacitor connection pin. 5µA This triangular wave performs soft-switching of 10 the coil output waveforms. 1kΩ 10 C2 2S 11 1/2VREG-VF CX In the VCO circuit, the operation frequency VCC VREG range and minimum operation frequency are determined by means of the capacitor value 100µA connected this pin and ground. 300Ω 11 12 VCOIN VREG VCC VCO circuit voltage input pin. The PCOUT pin voltage is input via CR filter. 10kΩ 1.75V 12 50kΩ 50µA 50µA Continued on next page. No. A0674-5/7 LB11683V Continued from preceding page. Pin No. Symbol 13 PCOUT Pin Voltage Equivalent Circuit Diagram Description VCO circuit PLL output VCC VREG 13 14 GND Ground for all other than the output transistor 15 18 BFGO VREG 100µA Motor counter-electromotive voltage detection FG output (single-phase only). Open collector output 18 19 FC Frequency characteristics compensation pin. VREG VCC Insertion of a capacitor between this pin and ground stops oscillation of the closed loop of current control system. 1kΩ 19 10kΩ 16 5kΩ RD VREG When motor is locked: high-level 15kΩ 16 17 CT VCC 0.1µA Lock detection output. When motor is running: low-level Open collector output Lock protection ON/OFF time setting capacitor VREG connection pin. The capacitor connected between this pin and 1µA 15µA 17 ground determines the driver ON/OFF time when the motor is locked. 25kΩ 2S No. A0674-6/7 LB11683V 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 June, 2007. Specifications and information herein are subject to change without notice. PS No. A0674-7/7