Ordering number : ENN7117 Monolithic Digital IC LB11983 3-phase Sensorless Motor Driver for Fan Motor Driver for Refrigerator Overview Package Dimensions The LB11825M is a 3-phase full-wave current linear sensorless motor driver. It is optimal for refrigerator fan motor drive. unit: mm 3021C-DIP20 [LB11825M] Functions and Features 24.0 • 3-phase sensorless motor driver • Fan motor driver for refrigerator 11 0.25 7.62 6.4 20 1 10 0.51min (3.25) 3.3 3.9max 1.0 (0.57) 2.54 0.5 1.2 SANYO: DIP20 (300 mil) Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Supply voltage VCC max 14.5 V Output application voltage VO max 14.5 V Input application voltage VI max –0.3 to VCC + 0.3 V Output current IO max 1.0 A Internal allowable loss Pd max 1.0 W Operating temperature Topr –30 to +85 °C Storage temperature Tstg –55 to +150 °C Independent IC Operating Conditions at Ta = 25°C Parameter Supply voltage Symbol Conditions Ratings 7 to 13.8 VCC 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 ————— No. 7117-1/8 LB11983 Electrical Characteristics at Ta = 25°C, VCC = 12.0 V Parameter Symbol Supply current ICC Ratings Conditions min typ Unit max VC = VCC 20 30 mA Output saturation voltage 1 VOsat1 IO = 0.4 A, Source + Sink 1.4 2.0 V Output saturation voltage 2 VOsat2 IO = 0.8 A, Source + Sink, RF = 0 Ω 1.8 2.6 V VCC – 2 V MCOM pin common-mode input voltage range VIC 0 PCOUT output current 1 IPCOU Source side PCOUT output current 2 IPCOD Sink side IVCOIN VCOIN = 5 V 0.1 VCOIN = open 400 Hz 18.5 kHz VCOIN input current VCO minimum frequency fVCOMIN VCO maximum frequency fVCOMAX VCOIN = 5 V C1, C2 source current ratio RSOURCE IC1SOURCE/IC2SOURCE C1, C2 sink current ratio RSINK –90 µA 90 µA 0.2 µA –12 +12 % IC1SINK/IC2SINK –12 +12 % C1 source and sink current ratio RC1 IC1SOURCE/IC1SINK –35 +15 % C2 source and sink current ratio RC2 IC2SOURCE/IC2SINK –35 +15 % Counter FG output ON voltage VOL 0.4 V Counter FG output OFF voltage VOH 210 °C Thermal shutdown operating temperature Thermal shutdown hysteresis 4 TTSD Design target value* ∆TTSD Design target value* 150 V 180 15 °C Note*: These items are design target values and are not tested. Alloowable power dissipation, Pd max — W Pd max — Ta 1.2 1.0 Independent IC 0.8 0.6 0.4 0.2 0 –20 0 20 40 60 80 Ambient Temperature, Ta — °C 100 ILB01493 No. 7117-2/8 LB11983 Pin Arrangement VOUT 1 20 UOUT W OUT 2 19 RF MCOM 3 18 NC VCC 4 17 VC UIN 5 V IN 6 16 FC LB11983 15 BFGO WIN 7 14 GND C1 8 13 NC C2 9 12 PCOUT CX 10 11 VCOIN Top view Pin Functions Pin No. Symbol 20 UOUT Pin voltage Description Equivalent circuit 1 VOUT 2 WOUT 20µA VCC Drum motor driver output pin. 3.9Ω 10kΩ 30kΩ 19 RF Minimum potential of the drum motor driver output transistor. This voltage is detected for constantcurrent control. 20 5 1 6 2 7 3.9Ω 30kΩ 19 The current limiter is also activated upon detection of this potential. 4 VCC 8 to 13.8 V Power supply pin Continued on next page. No. 7117-3/8 LB11983 Continued from preceding page. Pin No. Symbol Pin voltage Description Equivalent circuit VCC MCOM 20 5 UIN 6 VIN 7 WIN 2kΩ 6 5 2 1 10kΩ 3 Middle point input pin of motor coil. The coil waveform is detected with reference to this voltage. 7 200Ω 3 200Ω 200Ω Input pin of the coil waveform detection comparator. Connected to each phase output with a built-in resistor of 10 kΩ 8 9 Triangular wave generating capacitor connection pin. This triangsular wave causes soft switching of coil output waveform. 9 VRE G 5µA C1 15µA 8 15µA V CC 1kΩ 1/2VREG-VF 2S C2 VREG 10 CX The operating frequency range and minimum operating frequency are determined from the value of capacitor connected to this pin and GND in the VCO circuit. 100µA VCC 300Ω 10 VREG 11 50kΩ 50µA Inputs the PCOUT pin voltage through CR filtering. 50µA VCOIN 1.75V VCO circuit voltage input pin 11 10kΩ VCC Continued on next page. No. 7117-4/8 LB11983 Continued from preceding page. Pin No. Symbol Pin voltage Description Equivalent circuit VCC VREG 12 PCOUT 14 GND VCO circuit PLL output pin. 12 GND for others than the output transistor. VCC VREG+VF 15 BFGO 5kΩ FG output to detect motor reverse feeder voltage. (Composition of three phases) 100µA VREG 15 1kΩ VREG V CC Frequency characteristics compensation pin. Insertion of a capacitor between this pin and GND stops oscillation of the current control closed loop. VC The control is a constant-current control under current feedback from RF. Normally, this pin is connected to VCC for use. 50µA 50µA Speed control pin. 27Ω VREG VCC 17 5kΩ 16 40kΩ 17 200Ω 24kΩ FC 10kΩ 16 No. 7117-5/8 0.1µF VCC FC VC CX VCOIN PCOUT C2 C1 BFGO PLL 200Ω 200Ω Startup Control Circuit VCO Soft Switching Drive Circuit 200Ω Beat lock preventive circuit 8-divider Timing Control Circuit Masking Circuit Thermal shutdown Circuit Rotor Position Detection Circuit Upper saturation prevention control W OUT UOU T VOUT MC OM VCC GND RF WIN VIN UIN 0.5Ω LB11983 Block Diagram (External constant may vary depending on the motor used.) Output Drive Circuit No. 7117-6/8 LB11983 0.022µF Sample Application Circuit (Reference) 0.022µF 0.022µF VOUT 20 U OUT 1 0.5Ω W OUT 2 19 RF M-COM 3 18 NC V CC 4 17 VC UIN 5 16 FC VIN 6 15 BFGO W IN 7 14 GND C1 8 13 NC C2 9 12 PCOUT CX 10 11 VCOIN 0.1µF LB11983 0.022µF 0.022µF 560kΩ 0.47µF 0.022µF to 0.047µF Top view Notes 1. Be sure to connect the VC pin to VCC directly before use. 2. For the constant of capacitor, etc., our value established through examination is given for reference. Adjust the value according to the motor to be used when considering this IC. 3. If the output is not oscillated with the motor used, a capacitor inserted between output coil ends is not necessary. 4. Pins 5 through 7 (UIN, VIN, and WIN) are not to be used by a user. These are connected inside IC and should always be kept independent and open. 5. NC pins (14 and 18) are not connected inside IC and can be used as relay pins. No. 7117-7/8 LB11983 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. 7117-8/8