Ordering number : ENN6470 Monolithic Digital IC LB11880 Three-Phase Sensorless Motor Driver with Loading Motor Driver Overview Package Dimensions The LB11880 is a sensorless motor driver that also includes a loading motor driver. It is ideal for drum motor drive in VCR products. unit: mm 3196A-DIP30SD [LB11880] Functions and Features 16 8.6 10.16 30 Soft switching drive No Hall sensors required No FG sensors required Built-in PG amplifier Built-in thermal shutdown circuit Current limiter circuit On-chip loading motor driver 15 0.25 1 (3.25) 3.0 3.95mas 0.95 0.51min • • • • • • • 27.0 (1.04) 0.48 1.78 SANYO: DIP30SD Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Maximum supply voltage 1 VCC max 14.5 V Maximum supply voltage 2 VCCL max 14.5 V Maximum supply voltage 3 VREG max 7.0 V Output voltage Vomax 14.5 V Input voltage VI1max –0.3 to VREG + 0.3 V Iomax 1.0 A Iomax (AVE) 0.4 A Iomax (peak) 1.2 A 2.8 W Cylinder current Loading current Allowable power dissipation Pdmax When mounted on the specified printed circuit board* Operating temperature Topr –20 to +75 °C Storage temperature Tstg –55 to +150 °C Note: * Specified printed circuit board: 114.3 × 76.1 × 1.6 mm glass-epoxy board 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 52600RM (OT) No. 6470-1/9 LB11880 Allowable Operating Ranges at Ta = 25°C Parameter Symbol Conditions Ratings Unit Supply voltage 1 VCC 8 to 13.8 Supply voltage 2 VCCL 8 to 13.8 V V Supply voltage 3 VREG 4 to 6 V Electrical Characteristics at Ta = 25°C, VCC = VCCL = 12 V, VREG = 5 V Parameter Symbol Conditions Supply current 1 ICC VC = 0 V, XIN = YIN = 0 V Supply current 2 ICCL VC = 0 V, XIN = YIN = 0 V Ratings min typ 3.5 Unit max 5.0 mA 1 mA VC = 0 V, XIN = YIN = 0 V 10 15 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 1.8 2.6 V VCC – 2 V Supply current 3 IREG MC pin common-mode input voltage range 0 VIC VC = 0 V –2 –1 Control start voltage VTHVC VRF = 10 mA 2.4 2.5 2.6 V Closed-loop control gain GMVC RF = 0.5 Ω 0.75 0.95 1.15 A/V PCOUT output current 1 IPCOU Source side PCOUT output current 2 IPCOD Sink side 90 VCOIN input current IVCOIN VCOIN = 5 V 0.1 VC pin input bias current IVC µA –90 Minimum VCO frequency fVCOMIN Maximum VCO frequency fVCOMAX CX = 0.022 µF, VCOIN = 5 V CX = 0.022 µF, VCOIN = open C1/C2 source current ratio RSOURCE IC1SOURCE/IC2SOURCE µA µA 0.2 µA 400 Hz 18.5 kHz –12 +12 % C1/C2 sink current ratio RSINK IC1SINK/IC2SINK –12 +12 % C1 source/sink current ratio RC1 IC1SOURCE/IC1SINK –35 +15 % C2 source/sink current ratio RC2 IC2SOURCE/IC2SINK –35 +15 % 150 210 °C Thermal shutdown operating temperature T-TSD * Thermal shutdown hysteresis ∆TTSD * 180 15 °C Note: * These values are design guarantee values, and are not tested. FG/PG Amplifier Block at Ta = 25°C, VCC = VCCL = 12 V, VREG = 5 V Parameter Symbol Conditions Ratings min typ Unit max [Back EMF FG] Output on voltage VOL Output off voltage VOH 0.4 4.5 V V [PG Amplifier] Input offset voltage VIO –8 Input bias current IBIN– Common-mode input voltage range VICOM * Open-loop gain GVPG f = 1 kHz 3.5 55 VOL Output off voltage VOH 4.5 VShys 70 mV nA 1 Output on voltage Schmitt amplifier hysteresis +8 –250 V dB 0.4 V V 93 115 mV Note: * These values are design guarantee values, and are not tested. No. 6470-2/9 LB11880 Loading Block at Ta = 25°C, VCC = VCCL = 12 V, VREG = 5 V Parameter Input voltage Symbol typ Unit max 1 (high) VIN1 3.5 5 VIN2 0 0.8 V 50 µA Sink VIN = 3.5 V IIN 0.7 V V Vsat U-1 Vref = VS, between the output and VS IO = 0.2 A, CW/CCW mode 1.5 2.1 V Vsat L-1 Vref = VS, between the output and ground IO = 0.2 A, CW/CCW mode 0.2 0.3 V Vsat U-1’ Vref = VS, between the output and VS IO = 0.4 A, CW/CCW mode 1.6 2.2 V Vsat L-1’ Vref = VS, between the output and ground IO = 0.4 A, CW/CCW mode 0.3 0.5 V VsatU-1’’ Vref = 8 V, between the output and ground IO = 0.2 A, CW/CCW mode 7.2 8.0 8.8 V VsatL-1’’ Vref = 8 V, between the output and ground IO = 0.4 A, CW/CCW mode 7.2 8.0 8.8 V Saturation voltage Upper side residual voltage Output transistor leakage current 30 ∆VT Input hysteresis Control supply current Ratings min 2 (low) Input current Diode forward voltage Conditions Upper ILU 50 µA Lower ILL 50 µA Uper VFU IF = 0.4 A 1.3 Lower VFL IF = 0.4 A 1.0 V –2 µA Iref –5 V No. 6470-3/9 LB11880 Loading Motor Truth Table Input XIN Output YIN XOUT YOUT Mode L Off Off Standby L H L Forward L H L H Reverse H H L L Brake Allowable power dissipation, Pdmax — W L H Pd max — Ta 4 3 When mounted on the specified printed circuit board (114.3 × 76.1 × 1.6 mm3 glass-epoxy board) 2.80 2 1.68 1 0 –20 0 20 40 60 80 100 Ambient temperature, Ta — °C Pin Assignment FC 1 30 GND VC 2 29 PCOUT VREG 3 28 VCOIN PGIN+ 4 27 CX PGIN– 5 26 C2 PGOUT1 6 25 C1 PGOUT2 7 24 WIN 23 VIN 9 22 UIN VREF 10 21 VCC XIN 11 20 RF YIN 12 19 MCOM XOUT 13 18 WOUT LGND 14 17 VOUT YOUT 15 16 UOUT BFGO 8 LVCC LB11880 Top view No. 6470-4/9 C2 C1 0.1 µF 0.022 µF 0.47 µF PGIN+ 200 Ω FC VC CX VCOIN 560 kΩ PCOUT 2200 pF 2200 pF BFGO 200 Ω 200 Ω PGIN- PLL Startup control circuit Thermal shutdown circuit VCO PGOUT2 5 kΩ VREG 1 kΩ XIN Soft switching drive circuit Divide-by8 circuit PGOUT1 Timing control circuit Mask circuit Rotor position detection circuit YIN VREF XOUT Upper side saturation prevention circuit Output drive circuit VREG YOUT LVCC GND RF WOUT VOUT UOUT WIN VIN UIN MCOM VCC LGND 0.5 Ω 0.022 µF × 3 LB11880 Block Diagram (Note that the values of the external components depend on the motor used.) No. 6470-5/9 Output drive circuit LB11880 Pin Description Pin No. Pin Pin voltage Function Equivalent circuit VREG Frequency characteristics compensation 1 1 kΩ Oscillation in the current control system closed loop can be prevented by connecting a capacitor between this pin and ground. FC 1 10 kΩ 5 kΩ VREG V CC 50 µA 50 µA 27 kΩ Speed control 2 VC 40 kΩ 2 0 V to VREG This circuit implements constant-current control in which current feedback is applied from the RF system. 200 Ω 24 kΩ Control system power supply 3 VREG 4 V to 6 V This power supply must be stabilized so that ripple and noise do not enter the IC. VREG 4 PGIN+ 6 µA PG amplifier plus side input 6 µA 6 µA This pin is biased to 1/2 VREG internally. 10 kΩ 200 Ω 200 Ω 5 PGIN– PG amplifier minus side input 10 kΩ 4 5 VREG 60 µA 30 µA 6 6 PGOUT1 38 Ω PG amplifier linear output 38 Ω 5 kΩ 5 kΩ 4 Continued on next page. No. 6470-6/9 LB11880 Continued from preceding page. Pin No. Pin Pin voltage Function Equivalent circuit V CC 7 PGOUT2 VREG+VF PG Schmitt amplifier output VREG 5 kΩ 100 µA 7 8 BFGO 9 LVCC 8 Motor back EMF voltage detection FG output (synthesized from three phases) 8 to 13.8 V Loading motor driver output transistor power supply VCCL 13 15 10 VREF 0 to VCCL 1 mA 30 kΩ Loading motor driver output voltage setting 1 mA 30 kΩ 50 kΩ 10 V REG 11 XIN 100 kΩ 11 0 V to VREG Loading motor driver logic input 12 12 50 kΩ YIN 50 kΩ 9 13 XOUT 13 15 Loading motor driver output 2 kΩ 15 YOUT 2 kΩ 14 14 LGND 10 Loading motor driver output transistor ground Continued on next page. No. 6470-7/9 LB11880 Continued from preceding page. Pin No. Pin 16 UOUT 17 VOUT 18 WOUT Pin voltage Function V CC Drum motor driver output This IC implements constant-current control by detecting this voltage. RF The current limiter also operates by detecting this voltage. 21 VCC 19 MCOM 8 to 13.8 V The coil voltage waveform is detected with this voltage as the reference. UIN Coil waveform detection comparator input 23 VIN 24 WIN 10 kΩ 30 kΩ 3.9 Ω 30 kΩ 20 16 22 17 23 18 24 Internal reference voltage and power supply for both the drum motor driver output block and the coil waveform detection circuit. Motor coil center input 22 20 µA 3.9 Ω Lowest potential of the drum motor driver output transistor 20 Equivalent circuit VCC 16 17 18 22 10 kΩ 23 24 200 Ω 200 Ω 2 kΩ 19 200 Ω Each phase output is connected by an internal 10 kΩ resistor. VREG 25 15 µA C1 15 µA 5 µA 25 26 Triangular wave generating capacitor connection This triangular wave is used to implement soft switching in the coil output waveform. 26 1 kΩ 1/2VREG -VF C2 V REG 100 µA 27 CX The value of the capacitor connected between this pin and ground determines the operating frequency range and the minimum operating frequency of the VCO circuit. 300 Ω 27 Continued on next page. No. 6470-8/9 LB11880 Continued from preceding page. Pin No. Pin Pin voltage Function Equivalent circuit VREG VCO circuit voltage input 28 VCOIN 10 kΩ The PCOUT pin voltage is filtered by an RC circuit and input to this pin. 1.75 V 28 50 kΩ 50 µA 50 µA VREG 29 PCOUT 30 GND VCO circuit PLL output 29 Ground for all circuits other than the drum and loading driver output transistors. 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 May, 2000. Specifications and information herein are subject to change without notice. PS No. 6470-9/9