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參數(shù)資料
| 型號： | LB1876(36SOP) |
| 英文描述： | Controller Miscellaneous - Datasheet Reference |
| 中文描述： | 控制器雜項-數(shù)據(jù)表參考 |
| 文件頁數(shù)： | 14/14頁 |
| 文件大?。?/td> | 120K |
| 代理商： | LB1876(36SOP) |
PS No. 6201-14/14
LB1876
This catalog provides information as of June, 2002. Specifications and information herein are subject to
change without notice.
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.
11. Power supply stabilization
Since this IC provides a large output current and adopts a switching drive technique, it can easily disrupt the power
supply line voltage. Therefore, capacitors with ample capacitance must be inserted between the VCC pins and ground.
If reverse control mode is selected during braking, the circuit will return current to the power supply. This means that
the power supply lines are even more susceptible to disruption. Since the power supply is most easily influenced during
lock pull-in at high motor speeds, this case requires particular care. Select capacitor values that are fully adequate for
this case.
If diodes are inserted in the power supply lines to prevent damage if the power supply is connected with reverse
polarity, the power supply voltage will be even more susceptible to disruption, and even larger capacitors must be used.
12. V
REG
stabilization
Insert a capacitor of at least 0.1 μF to stabilize VREG, which is the control circuit power supply. The capacitor ground
must be connected as close as possible to the IC control block ground (the GND1 pin).
13. Error amplifier circuit components
Locate the error amplifier components as close to the IC as possible to minimize the influence of noise on this circuit.
Locate this circuit as far from the motor as possible.
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| LB1876-MPB-E | 功能描述:馬達/運動/點火控制器和驅動器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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