Ordering number : ENA0352A Monolithic Digital IC LB1800CL Stepping Motor Driver IC Overview The LB1800CL is a 2-channel low-saturation drive low-voltage operation forward/reverse motor driver IC. Its ultraminiature package makes it optimal for 1-2 or 2 phase excitation drive of 2-phase bipolar stepping motors which are commonly used in various portable devices such as digital still cameras. Features • Low saturation voltage, VO (sat) = 0.3V typ. at IO of 150mA • Built-in through current prevention circuit • Zero current drawn in standby mode • On-chip index comparator (open collector output) • Built-in thermal shutdown circuit • ECSP2828-12 ultraminiature leadless package (2.8mm×2.8mm×0.8mm typ) Absolute Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Maximum supply voltage VCC max Output voltage VOUT max OUT1, OUT2, OUT3, OUT4 pin Input voltage VIN max IN1, IN2, IN3, IN4 pin Ratings Unit -0.3 to +8.0 V VCC+VSF V -0.3 to +8.0 V GND pin outflow current I GND Per channel 350 mA Allowable power dissipation Pd max Mounted on a circuit board * 450 mW Operating temperature Topr -20 to +75 °C Storage temperature Tstg -40 to +150 °C * Mounted on a specified board: 20.0mm×10.0mm×0.8mm, paper phenol 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. 60607 MS IM / 81006 MH IM B8-8896 No.A0352-1/8 LB1800CL Allowable Operating Range at Ta = 25°C Parameter Symbol Supply voltage VCC Input high level voltage VIH Input low level voltage VIL Conditions Ratings Unit 2.2 to 7.5 IN1, IN2, IN3, IN4 pin V 1.5 to 7.5 V -0.3 to +0.3 V Electrical Characteristics at Ta = 25°C, VCC = 3.3V Parameter Symbol Ratings Conditions min Power source current Output saturation voltage Input current typ unit max ICC0 VIN = 0V 0.1 1 µA ICC1 IN1 or IN2 = 3V,IN3 or IN4 = 3V 15 20 mA VOUT1 VIN = 3V or 0V,IOUT = 100mA 0.2 0.25 VOUT2* VIN = 3V or 0V,IOUT = 200mA 0.4 IIN VIN = 3V 60 V 70 µA 1.40 V [Index comparator] Internal reference voltage VINM Input voltage range VCOM Input hysteresis width VFGHYS1 Low-level output voltage VLCOMP 1.30 1.35 0 0.1 Sink = 0.1mA VCC V 0.2 0.25 V 0.2 0.4 V 1 µA [Spark killer diode] Reverse current IS(leak) Forward voltage VSF* IOUT = 200mA 1.7 V *: Design assured value Package Dimensions unit : mm (typ) 3324 SIDE VIEW 2.8 BOTTOM VIEW (0.425) TOP VIEW 2 0.65 2.8 2 0.35 1 1 0.4 0.8 0.015 0.8 (0.8) SIDE VIEW SANYO : ECSP2828-12 No.A0352-2/8 LB1800CL Pin Assignments 2 12 11 10 IN2 9 IN3 8 IN4 7 INM Allowable power dissipation, Pd max -- mW OUT2 IN1 1 GND OUT1 OUT4 4 5 6 COMP 3 VCC LB1800CL OUT3 Pd max -- Ta 500 Specified Substrate : 20.0×10.0×0.8mm3 Peper phenol 450 400 300 270 200 100 0 -20 Top view 0 20 40 60 Ambient temperature, Ta -- °C 80 100 ILB01691 1µF Block Diagram VCC 45kΩ OUT1 45kΩ 85kΩ IN2 Control Block circuit 85kΩ Thermal shutdown circuit IN1 Stepping motor OUT2 45kΩ OUT3 85kΩ IN3 OUT4 45kΩ 85kΩ IN4 300Ω GND 1.35V INM Interlocked with pins IN1 to IN4 COMP No.A0352-3/8 LB1800CL Truth Table Input Output Remarks IN1 IN2 IN3 IN4 OUT1 OUT2 OUT3 OUT4 COMP L L L L OFF OFF OFF OFF OFF Standby H L L L H L OFF OFF H L H L H L H L L L H L OFF OFF H L L H H L L H H L L H L L L H OFF OFF 1-2 phase L H L H L H L H excitation L L L H OFF OFF L H H L L H H L L H H H - ON Logic output corresponding to the earliest high input is honored H (Note 2). H Note 1: Hyphens in the "Output" columns denote the off (high impedance) state. Note 2: When inputs IN2/IN3=H/H are applied at the timing shown in (1) in the figure below, the latter input IN3 is ignored and the input logic IN2//IN3=H/L is performed. Similarly, IN2/IN3=L/H is performed in the input timing case of (2). (1) IN2 IN3 (2) L H H L L H IN2 IN3 L L H L H H No.A0352-4/8 LB1800CL Position Detecting Comparator Application Circuit Example 1 a) Circuit diagram Sensor power supply VCC Microcontroller power supply Tr INM - COMP + IC peripheral: Position sensor block IC interior: Position detecting circuit b) Timing chart VCC ENA Hysteresis width: 0.2V 1.35V INM Microcontroller power supply Transistor operating range COMP No.A0352-5/8 LB1800CL Position Detecting Comparator Application Circuit Example 2 a) Circuit diagram Sensor power supply VCC Microcontroller power supply INM COMP Tr + IC peripheral: Position sensor block IC interior: Position detecting circuit b) Timing chart VCC ENA Transistor operating range 1.35V INM Hysteresis width: 0.2V Microcontroller power supply COMP No.A0352-6/8 LB1800CL Current Drain Supply current, ICC -- mA 18 Saturation Voltage Characteristics 3.0 VIN1=VIN3=Hi Ta=25°C Output saturation voltage, VOUT -- V 20 16 14 12 10 8 6 4 2 2 4 6 8 1.5 ] 1P[V ] VOUT 2N[V VOUT 1.0 ] 0.5 →2)[V V O(sat1 0 0.1 0.2 0.3 Output current, IOUT -- A ILB01762 ILB01763 COMP Pin Saturation Voltage Reference Voltage 2.0 0.50 Ta=25°C 1.8 VCC=3.3V Ta=25°C 0.45 Low-level voltage, VLCOMP -- V Internal reference voltage, VINP -- V 2.0 10 Supply voltage, VCC -- V 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 2 3 4 5 6 7 Supply voltage, VCC -- V 0 0 8 0.02 0.04 0.06 0.08 Sink current, Isink -- mA ILB01764 0.10 ILB01765 Input Threshold Characteristics Input Current 160 3.5 VCC=3.3V Ta=25°C VCC=3.3V Ta=25°C 3.0 Output voltage, VOUT1 -- V Input current, IIN -- µA 2.5 0 0 0 140 VCC=3.3V Ta=25°C 120 100 80 60 40 2.5 2.0 1.5 1.0 0.5 20 0 0 0 2 4 6 8 Input voltage, VIN -- V ILB01766 0 0.5 1.0 Input voltage, VIN1 -- V 1.5 2.0 ILB01767 Comparator Hysteresis Characteristics, Enlarged 3.5 VCC=3.3V Ta=25°C 3.0 VINM:Low→Hi VCOMP -- V 2.5 2.0 1.5 VINM:Hi→Low 1.0 0.5 0 1.0 1.1 1.2 1.3 VINM -- V 1.4 1.5 ILB01768 No.A0352-7/8 LB1800CL 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. No.A0352-8/8