Ordering number : ENN*6181A LB11996,11996H Monolithic Digital IC LB11996,11996H Three-Phase Brushless Motor Driver for CD-ROM Spindle Motor Driver Preliminary Package Dimensions unit: mm 3227-HSOP24 [LB11996] 15.3 4.3 0.3 24 12 0.85 1 0.3 0.8 2.5max 1.3 7.9 10.5 0.65 13 0.25 2.25 • Current linear drive • Control V type amplifier • Separate power supply for output upper side bias circuit allows low output saturation by boosting this power supply only (useful for 5V power supply types). • Upper side current detection technique loses loss voltage of current detection resistor. Voltage drop caused by this resistor reduces internal power dissipation of IC. • Built-in short braking circuit • Built-in reverse blocking circuit • Hall FG output • Built-in S/S function • Built-in current limiter circuit • Built-in Hall power supply • Built-in thermal shutdown circuit • 1 Hall FG/3 Hall FG switchable • Supports 3.3V DSP 0.1 Features SANYO : HSOP24 unit: mm 3234-HSOP28HC [LB11996H] 15.3 4.9 1 1.3 0.25 0.8 0.3 0.1 2.5max 2.25 0.85 10.5 15 7.9 28 0.65 6.2 2.7 SANYO : HSOP28HC 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 N0199RM(KI) No. 6181-1/10 LB11996,11996H Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings Unit Maximum power supply voltage 1 VCC1 max 7.0 V Maximum power supply voltage 2 VCC2 max 14.4 V Maximum power supply voltage 3 VCC3 max 14.4 V Maximum applied output voltage Vo max 14.4 V Maximum applied intput voltage Vi max VCC1 V Maximum output current Io max Allowable power dissipation Pd max [LB11996] [LB11996H] 1.3 A IC only 0.79 W *With specified substrate *1.8 IC only 0.8 *With specified substrate *1.9 Operating temperature Topr –20 to +75 °C Storage temperature Tstg –55 to +150 °C * Specified substrate: 114.3 × 76.1 × 1.6 mm3 glass epoxy Allowable Operating Ranges at Ta = 25°C Parameter Symbol Power supply voltage 1 Conditions Ratings VCC1 Power supply voltage 2 VCC2 Power supply voltage 3 VCC3 ≥VCC1 Unit 4 to 6 V 4 to 13.6 V 4 to 13.6 V Sample Application at Ta = 25°C (1) 12V type Power supply pin VCC1 VCC2 = VCC3 Conditions Ratings Regulated voltage Unregulated voltage Unit 4 to 6 V 4 to 13.6 V (2) 5V type Power supply pin VCC1 = VCC3 VCC2 Conditions Regulated voltage Boost-up voltage or regulated voltage (Note) Ratings Unit 4 to 6 V 4 to 13.6 V Note: When boost-up voltage is used at VCC2, output can be set to low-saturation. No. 6181-2/10 LB11996,11996H Electrical Characteristics at Ta = 25°C, VCC1 = 5V, VCC2 = VCC3 = 12V (unless otherwise specified) Parameter Ratings Conditions Symbol min typ Unit max [Power supply current] Power supply current 1 VCC1 VC = VCREF Power supply current 2 VCC2 VC = VCREF 0 VCC3 VC = VCREF 150 Power supply current 3 8 mA mA 250 µA ICC1OQ VS/S = 0V 200 µA Output idle current 2 ICC2OQ VS/S = 0V 30 µA Output idle current 3 ICC3OQ VS/S = 0V 30 µA Output idle current 1 [Output] Saturation voltage, upper side 1 VOU1 IO = –0.5A, VCC1 = 5V, VCC2 = VCC3 = 12V 1.0 V Saturation voltage, lower side 1 VOD1 IO = 0.5A, VCC1 = 5V, VCC2 = VCC3 = 12V 0.3 V Saturation voltage, upper side 2 VOU2 IO = –0.5A, VCC1 = VCC3 = 5V, VCC2 = 12V 0.3 V Saturation voltage, lower side 2 VOD2 IO = 0.5A, VCC1 = VCC3 = 5V, VCC2 = 12V 0.3 V Current limiter setting voltage VCL RRF = 0.33Ω 0.37 V [Hall amplifier] Common mode input voltage range 1.2 VHCOM Input bias current VHIB Minimum Hall input level VHIN 60 High level voltage VS/SH 2.0 Low level voltage VS/SL Input current IS/SI VS/S = 5V Leakage current IS/SL VS/S = 0V VCC1–1.0 V µA 1 mVp-p [S/S pin] VCC1 V 0.7 V 200 µA µA –30 [Control] IVC VC = VCREF = 1.65V 1 µA VCREF pin input current IVCREF VC = VCREF = 1.65V 1 µA Voltage gain GVCC VC pin input current Startup voltage Startup voltage width ∆VRF/∆VC 0.35 times VCTH VCREF = 1.65V 1.5 1.8 ∆VCTH VCREF = 1.65V 50 150 V mV [Hall power supply] Hall power supply voltage VH Allowable current IH 0.8 IH = 5 mA V 20 mA [Thermal shutdown] Operating temperature TTSD (Target) Hysteresis ∆TTSD (Target) 150 180 210 °C °C 15 [Short braking] Brake pin at High level VBRH 4 5 V Brake pin at Low level VBRL 0 1 V FGSEL pin at High level VFSH 4 5 V FGSEL pin at Low level VFSL 0 1 V [1 Hall FG/3 Hall FG select] Note: • During S/S OFF (standby), the Hall comparator is at High. • Items shown to be “Target” are not measured. No. 6181-3/10 LB11996,11996H Truth Table Input Source Sink 1 Phase W –> Phase V Control U V W H H L 2 H L L L H L H L H L H H H Phase U –> Phase W 3 Phase V –> Phase W L 4 Phase V –> Phase U 5 Phase V –> Phase U Phase U –> Phase V 6 Phase U –> Phase W L H L H L Phase W –> Phase V Phase U –> Phase V H L Phase V –> Phase W Phase W –> Phase U VC H L H L H L Phase W –> Phase U Input: H: Input 1 is higher in potential than input 2 by at least 0.2V. L: Input 1 is lower in potential than input 2 by at least 0.2V. Brake Operation Brake pin Operation H Brake operation L Normal rotation FGSEL (1 Hall /3 Hall select) FGSEL FG output principle H 3 Hall FG output L 1 Hall FG output No. 6181-4/10 UIN2 VIN1 + – + – + – – WIN2 VH + WIN1 – + UIN1 VIN2 + – VCC1 Hall power supply Matrix Rotation direction detector FG RS Forward/ reverse FC S/S Reference voltage Current limiter + – Thermal shutdown Short brake 1 Hall FG/3 Hall FG select + – SIG GND FGSEL VC VCREF BRAKE VCC3 PWR GND WOUT VOUT UOUT RF VCC2 LB11996,11996H Block Diagram Waveform distributor No. 6181-5/10 2 3 4 5 6 7 WOUT NC VC VCREF FC FGSEL 9 RS 1 4 FG 1 3 BRAKE 1 2 S/S 1 1 NC 1 0 NC SIG GND 8 FRAME GND 1 PWR- GND UOUT VCC2 VCC3 NC RF VCC1 27 26 25 24 23 22 U I N2 U I N1 V I N2 V I N1 W I N2 W I N1 VH 21 20 19 18 17 16 15 FRAME GND VOUT 28 W I N1 12 W I N2 11 V I N1 10 V I N2 9 U I N1 8 U I N2 7 FRAM E GND VCC1 6 RF 5 VCC3 4 VCC2 3 UOUT 2 VOUT 1 13 VH 14 RS 15 FG 16 BRAKE 17 S/S 18 SIG GND FRAME GND 19 FGSEL 20 FC 21 VCREF 22 VC 23 WOUT 24 PWR GND LB11996,11996H Pin Assignments LB11996 HSOP-24 Top view LB11996H HSOP-28H-C Top view No. 6181-6/10 LB11996,11996H Sample Application Circuit 0.1 µ 1 VOUT PWR GND 24 0.1 µ 2 UOUT WOUT 23 3 VCC2 VC 22 4 VCC3 5 RF 6 VCC1 0.2 to0.5 Ω 0.1 µ VCREF 0.1 µ CTRL signal CTRL reference voltage 21 FC 20 FGSEL 19 0.1 µ FGSEL LB11996 FRAME GND FRAME GND 0. 047µ 7 U I N2 SI G GND 18 8 U I N1 S/S 17 9 V I N2 BRAKE 16 10 V I N1 FG 15 11 WI N2 RS 14 12 WI N1 VH 13 S/S 0. 047µ BRAKE 0. 047µ Unit (capacitance: F) Power supply - GND Output - GND Between Hall inputs Capacitor requirements may change depending on motor. For some motors, capacitor between Hall inputs may not be needed. No. 6181-7/10 LB11996,11996H Pin Description Pin number Pin name ( Unit (resistance: Ω) ): LB11996H, other pins: identical VCC2 4V to 13.6V 4 (25) VCC3 4V to 13.6V 6 (22) VCC1 4V to 6V 14 RS Pin function Equivalent circuit Pin voltage 3 (26) Source side predrive voltage supply pin. Constant current control amplifier voltage supply pin. Power supply pin for all voltage except output transistors, source predrive, and constant current control amplifier. Reverse detector pin Forward rotation: High Reverse rotation: Low VCC1 100 µA 10k 14 15 15 (13) FG 8 (20) UIN1 7 (21) UIN2 10 (18) VIN1 9 (19) VIN2 ( 13 ) VCC1 25µA 8 1.2V to VCC1–1V 12 VH 25µA 25µA 21 • • 18 19 • • 16 17 ) 13 (15) 11 ( WIN2 200 ) 11 (17) 9 200 ( WIN1 7 10 20 12 (16) 1 Hall element waveform Schmitt comparator composite output VCC1 75 µ A U phase Hall element input and reverse detector U phase Schmitt comparator input pin. Logic High indicates UIN1 > UIN2. V phase Hall element input and reverse detector V phase Schmitt comparator input pin. Logic High indicates VIN1 > VIN2. W phase Hall element input and reverse detector W phase Schmitt comparator input pin. Logic High indicates WIN1 > WIN2. Hall element lower side bias voltage supply pin. 13 ( 15 ) 30k 17 (11) S/S 2k 0V to VCC1 VCC1 75k 17 ( 11 ) 50k When this pin is at 0.7V or lower, or when it is open, all circuits are inactive. When driving motor, set this pin to 2V or higher. Continued on next page No. 6181-8/10 LB11996,11996H Unit (resistance: Ω) Continued from preceding page Pin number 18 (8) 20 (6) Pin name Equivalent circuit Pin voltage Pin function GND pin for all circuits except output. SIG GND FC Control loop frequency compensator pin. VCC1 Connecting a capacitor between this pin and GND prevents closed loop oscillation in current limiting circuitry. 2k 20 (6) 21 (5) VCREF 20k 5k 0V to 3.5V VCC1 15µA 25µA Control reference voltage applied pin. Determines control start voltage. 15µA 25µA 51k 22 (4) VC 23 (2) WOUT 24 (1) PWR GND 0V to VCC1 200 200 22 21 (4) (5) VCC2 5 1 (28) VOUT 2 (27) UOUT 5 (23) 23 3.9 V-phase output. 1 2 (2• 28 • 27) RF 24 (1) 19 (7) FGSEL VCC1 75k 19 50k 16 (12) BRAKE W-phase output. Output transistor GND. ( 23 ) 3.9 Speed control voltage applied pin. V type control technique VC > VCREF : Forward VC < VCREF : Slowdown (Reverse-blocking circuit prevents reverse rotation.) U-phase output. Upper side output NPN transistor collector pin (common for all 3 phases). For current detection, connect resistor between VCC3 pin and RF pin. Constant current control and current limiter works by detecting this voltage. 3 Hall FG/1 Hall FG select pin. FGSEL: High –> 3 Hall FG Low/Open –> 1 Hall FG (7) VCC1 100µA 75k Short brake pin. BRAKE: High –> Brake Low/Open –> Drive 16 50k ( 12 ) No. 6181-9/10 LB11996,11996H 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 November, 1999. Specifications and information herein are subject to change without notice. PS No. 6181-10/10