欢迎访问ic37.com |
会员登录 免费注册
会员中心
企业资讯   人才招聘  
电子百科

电子百科

Datasheet下载 IC品牌 缩略语 技术文章 IC型号

产品导航

ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789
产品
  • 产品
  • PDF

    • 最近搜索

    热门搜索

    搜索
    发布采购
    所在地： 型号： 精确
    • 批量询价
    •  
    • 供应商
    • 型号
    • 数量
    • 厂商
    • 封装
    • 批号
    • 交易说明
    • 询价
    •  

    • 北京元坤伟业科技有限公司

           该会员已使用本站17年以上

    • LB1977M-TLM
    • 数量-
    • 厂家-
    • 封装-
    • 批号-
    • -
    • QQ:857273081QQ：857273081 复制
      QQ:1594462451QQ：1594462451 复制
    • 010-62104931、62106431、62104891、62104791 QQ:857273081QQ:1594462451
    更多
    • LB1977M-TLM图

    • 深圳市得捷芯城科技有限公司

       该会员已使用本站11年以上
    • LB1977M-TLM
    • 数量6832 
    • 厂家SANYO/三洋 
    • 封装NA/ 
    • 批号23+ 
    • 原装现货，当天可交货，原型号开票
    • QQ:3007977934QQ：3007977934 复制
      QQ:3007947087QQ：3007947087 复制
    • 0755-82546830 QQ:3007977934QQ:3007947087
    • LB1977M-TLM图

    • 深圳市华斯顿电子科技有限公司

       该会员已使用本站16年以上
    • LB1977M-TLM
    • 数量30152 
    • 厂家SANYO 
    • 封装SOP24 
    • 批号2023+ 
    • 绝对原装全新正品现货/优势渠道商、原盘原包原盒
    • QQ:364510898QQ：364510898 复制
      QQ:515102657QQ：515102657 复制
    • 0755-83777708“进口原装正品专供” QQ:364510898QQ:515102657
    • LB1977M-TLM图

    • 深圳市宗天技术开发有限公司

       该会员已使用本站10年以上
    • LB1977M-TLM
    • 数量3582 
    • 厂家SANYO/三洋 
    • 封装SOP24 
    • 批号21+ 
    • 宗天技术 原装现货/假一赔十
    • QQ:444961496QQ：444961496 复制
      QQ:2824256784QQ：2824256784 复制
    • 0755-88601327 QQ:444961496QQ:2824256784
    • LB1977M-TLM图

    • 深圳市拓亿芯电子有限公司

       该会员已使用本站12年以上
    • LB1977M-TLM
    • 数量11500 
    • 厂家SANYO/三洋 
    • 封装SOP24 
    • 批号23+ 
    • 原装现货，价格优势
    • QQ:1774550803QQ：1774550803 复制
      QQ:2924695115QQ：2924695115 复制
    • 0755-82777855 QQ:1774550803QQ:2924695115
    • LB1977M-TLM图

    • 深圳市一线半导体有限公司

       该会员已使用本站11年以上
    • LB1977M-TLM
    • 数量12000 
    • 厂家原厂品牌 
    • 封装原厂外观 
    • 批号 
    • 全新原装部分现货其他订货
    • QQ:2881493920QQ：2881493920 复制
      QQ:2881493921QQ：2881493921 复制
    • 0755-88608801多线 QQ:2881493920QQ:2881493921

    产品型号LB1978的Datasheet PDF文件预览

    Ordering number : EN6186  
    Monolithic Digital IC  
    LB1978V  
    Three-Phase Half-Wave Sensorless Motor Driver  
    for Headphone Stereos  
    Package Dimensions  
    unit: mm  
    Functions and Features  
    • Three-phase sensorless motor driver  
    • Built-in speed control  
    3191-SSOP30  
    [LB1978V]  
    • Built-in reference voltage and forward/reverse  
    switching pin  
    30  
    16  
    • Soft switching  
    • Built-in short brake drive pin  
    0.15  
    1
    15  
    9.95  
    0.22  
    0.65  
    0.43  
    SANYO : SSOP30  
    Specifications  
    Absolute Maximum Ratings at Ta = 25˚C  
    Parameter  
    Maximum supply voltage  
    Output transistor withstand voltage  
    Maximum output current  
    Allowable power dissipation  
    Operating temperature  
    Symbol  
    Vcc max  
    Vsus  
    Conditions  
    Ratings  
    Unit  
    2.0  
    4
    V
    V
    Io max  
    Pd max  
    Topr  
    0.6  
    A
    Tj = 125˚C  
    0.4  
    W
    ˚C  
    ˚C  
    0 to 60  
    Storage temperature  
    Tstg  
    –40 to +125  
    Allowable Operating Ranges at Ta = 25˚C  
    Parameter  
    Symbol  
    Vcc  
    Conditions  
    Ratings  
    1.0 to 1.7  
    Unit  
    V
    Power supply voltage  
    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  
    63099RM(KI)  
    No. 6186-1/9  
    LB1978V  
    Electrical Characteristics at Ta = 25˚C, Vcc = 1.2V, in the specified test circuit  
    Ratings  
    typ  
    Parameter  
    Power supply current  
    Symbol  
    Icc  
    Conditions  
    Unit  
    min  
    max  
    10  
    10  
    START pin H, RIRF = 180 kΩ  
    6.8  
    mA  
    µA  
    V
    START pin L, VBR = 0V  
    0
    Reference voltage  
    Vref  
    0.725 0.755 0.785  
    Reference voltage characteristics  
    ∆Vref  
    / ∆Vcc Vcc = 1.0 to 1.7V  
    1.0  
    2.0  
    %/V  
    ∆Iref  
    ∆Vref  
    Reference voltage load characteristics  
    Iref = 0 to –50 µA  
    –0.2 –0.06  
    mV/µA  
    ∆Iref  
    Oscillator cycle  
    T
    S
    C
    C
    R
    T
    = 1500 pF  
    0.52  
    7.70  
    0.6  
    0.68  
    10.9  
    ms  
    ms  
    S
    S
    Rotation switching load characteristics  
    T
    = 1500 pF,  
    F/S  
    = 180 kΩ *Target  
    IRF  
    Rotation detection accuracy  
    COM voltage  
    NF/S  
    = 0.60 ms *Target  
    –16  
    12  
    +16  
    38  
    %
    mV  
    V
    S
    V
    –
    R
    = 1 kΩ  
    COM  
    25  
    0.17  
    0.12  
    COM  
    F side output saturation voltage  
    S side output saturation voltage  
    S/S pin input High level voltage  
    S/S pin input Low level voltage  
    F/S DR pin ON voltage  
    Vsat1  
    Vcc = 1.0V, Im = 0.3A  
    Vcc = 1.0V, Im = 0.2A  
    0.30  
    0.25  
    Vsat2  
    V
    V
    0.9  
    V
    SSH  
    V
    0.3  
    0.2  
    V
    SSL  
    V
    V
    Lon  
    F/S DR pin OFF voltage  
    TC pin pull-in voltage  
    V
    Vcc–0.3  
    80  
    V
    Loff  
    V
    V
    1
    2
    F/S = H  
    F/S = L  
    110  
    220  
    150  
    300  
    mV  
    mV  
    V
    TC  
    TC  
    160  
    BR1 ON voltage  
    V
    V
    V
    0.9  
    BRon  
    BRoff  
    BR1 OFF voltage  
    BRsat voltage  
    0.3  
    0.3  
    V
    Io = 6 mA, V  
    = 1.2V  
    BR1  
    0.15  
    V
    BRsat  
    CI rise voltage  
    V
    0.620 0.650 0.680  
    60 80 100  
    0.725 0.755 0.785  
    26 30 34  
    0.720 0.755 0.785  
    V
    CI  
    CI hysteresis width  
    IRF voltage  
    ∆V  
    mV  
    V
    CI  
    V
    R
    V
    = 180 kΩ  
    IRF  
    IRF  
    VI output current  
    PV pin voltage  
    I
    = 0.3V, V = GND  
    µA  
    V
    VI  
    VI  
    IV  
    V
    PV  
    ∆IFC/∆VVI ratio  
    ∆I /∆V  
    150  
    210  
    250  
    µA/V  
    V
    FC  
    VI  
    Output transistor OFF voltage  
    Output transistor ON voltage  
    V
    OFF  
    ON  
    Vcc–0.3  
    OUT  
    V
    0.3  
    V
    OUT  
    Note: Items shown to be “Target” are not measured.  
    No. 6186-2/9  
    LB1978V  
    Pd max – Ta  
    0.4  
    0.26  
    0
    25  
    Ambient temperature, Ta – (°C)  
    60  
    Pin Assignment  
    30  
    29  
    28 27  
    26  
    25 24  
    23  
    22  
    21  
    20  
    19  
    18  
    17  
    16  
    LB1978V  
    1
    2
    3
    4
    5
    6
    7
    8
    9
    10  
    11  
    12  
    13  
    14  
    15  
    Top view  
    No. 6186-3/9  
    LB1978V  
    Equivalent Circuit Block Diagram  
    DR  
    TC1  
    TC2  
    OSC  
    Vcc  
    P1  
    P2P3 BR1  
    Brake  
    circuit  
    BR2  
    U1  
    Divider  
    Rotation  
    detector  
    V1  
    W1  
    U2  
    V2  
    W2  
    Oscillator  
    Constant  
    IRF  
    current circuit  
    Startup  
    switching  
    PGND  
    DU  
    Startup  
    detection  
    Soft switching  
    COM  
    S/S  
    FC  
    Current bias  
    Speed  
    select  
    divider  
    Current  
    buffer  
    Reference  
    voltage  
    Comparator  
    d/dt  
    CI  
    Pulse  
    VI  
    Vref  
    SGND  
    F/S  
    PW PV IV  
    VI  
    Sample Application Circuit  
    0.01  
    µF  
    100Ω  
    0.01  
    µF  
    0.01  
    µF  
    1µF  
    30  
    29  
    28  
    27  
    26  
    25  
    24  
    23  
    22  
    21  
    20  
    19  
    18  
    17  
    16  
    Vcc VREF S/S DR F/S W1 V1 U1 PGND W2 V2  
    U2 DU SGND P3  
    LB1978V  
    FC OSC COM IRF CI  
    PW PV IV  
    VI  
    9
    BR1 BR2 TC1 TC2 P1 P2  
    10 11 12 13 14 15  
    1
    2
    3
    4
    5
    6
    7
    8
    180  
    kΩ  
    2.2µF  
    180  
    6.2kΩ  
    680kΩ  
    kΩ  
    0.33µF  
    0.1µF  
    1500pF  
    0.01µF  
    1kΩ  
    0.1µF  
    68kΩ  
    20kΩ  
    0.033µF  
    No. 6186-4/9  
    LB1978V  
    Pin Description  
    Pin number Pin name  
    Equivalent circuit  
    Pin function  
    1
    2
    3
    4
    FC  
    OSC  
    COM  
    IRF  
    Oscillator and ripple suppression pin.  
    Vcc  
    The higher the capacitance connected to  
    FG, the more effectively will ripple  
    components be suppressed.  
    1
    PGND  
    Vcc  
    Startup pulse cycle and drive switching  
    cycle setting pin.  
    Increased capacitance will result in higher  
    startup pulse cycle and drive switching  
    cycle.  
    2
    SGND  
    Vcc  
    Startup waveform detector offset setting  
    pin.  
    3
    10kΩ  
    R
    = 1 kΩ results in approx. 25 mV  
    COM  
    offset at startup  
    120µA  
    PGND  
    Oscillator circuit and F-V servo circuit  
    internal current setting pin.  
    Vcc  
    4
    25µA  
    SGND  
    Vcc  
    5
    CI  
    Speed adjustment pin using CR  
    oscillation based on FG pulse edge  
    detection.  
    5
    SGND  
    Continued on next page  
    No. 6186-5/9  
    LB1978V  
    Continued from preceding page  
    Pin number Pin name  
    Equivalent circuit  
    Pin function  
    CI pin waveform and reference voltage  
    comparator output pin.  
    6
    7
    8
    9
    PW  
    PV  
    IV  
    Vcc  
    6
    PGND  
    Vcc  
    Current buffer input/output pin.  
    7
    1kΩ  
    SGND  
    Vcc  
    Current-to-voltage converter comparator  
    input pin.  
    8
    1kΩ  
    SGND  
    Vcc  
    VI  
    Voltage-to-current converter input pin.  
    Speed increases when VI pin voltage is  
    higher than reference voltage and  
    decreases when VI pin voltage is lower  
    than reference voltage.  
    9
    1kΩ  
    SGND  
    10  
    BRI  
    Brake bias pin.  
    Vcc  
    When S/S pin is Low and BR1 pin is 0.9V  
    or higher, brake drive pin BR2 goes ON.  
    10  
    SGND  
    Continued on next page  
    No. 6186-6/9  
    LB1978V  
    Continued from preceding page  
    Pin number Pin name  
    Equivalent circuit  
    Pin function  
    Brake drive pin.  
    11  
    BR2  
    Vcc  
    When S/S pin is Low and BR1 pin is 0.9V  
    or higher, brake drive is activated.  
    This is an open-collector output.  
    11  
    SGND  
    12  
    13  
    TC1  
    TC2  
    Motor current rise/fall slope setting pins.  
    Vcc  
    Setting value changes depending on the  
    High or Low status of the F/S pin.  
    12  
    13  
    SGND  
    Vcc  
    14  
    15  
    16  
    P1  
    P2  
    P3  
    Internal operation measurement pins  
    which shape the current waveform.  
    Must be left open for use.  
    14  
    15  
    16  
    SGND  
    17  
    SGND  
    Signal ground pin.  
    Separate from power supply ground.  
    18  
    19  
    20  
    21  
    DU  
    U2  
    V2  
    DU is base pin for U low-speed output  
    transistor.  
    Vcc  
    W2  
    U2, V2, and W2 are pins for connection to  
    low-speed motor coils.  
    19  
    20  
    21  
    18  
    22  
    PGND  
    22  
    PGND  
    Power supply ground.  
    Continued on next page  
    No. 6186-7/9  
    LB1978V  
    Continued from preceding page  
    Pin number Pin name  
    Equivalent circuit  
    Pin function  
    23  
    24  
    25  
    U1  
    V1  
    U1, V1, and W1 are pins for connection to  
    high-speed motor coils.  
    Vcc  
    W1  
    23  
    24  
    25  
    22  
    PGND  
    26  
    F/S  
    High-speed/low-speed mode select pin.  
    Vcc  
    26  
    Vcc –1.0V or lower: high-speed (fast)  
    Vcc –0.3V or higher: low-speed (slow)  
    SGND  
    Vcc  
    27  
    DR  
    Rotation direction select pin.  
    Vcc –0.3V or higher: phase sequence  
    U -> V -> W  
    27  
    Vcc –1.0V or lower: phase sequence  
    U -> W -> V  
    SGND  
    28  
    S/S  
    Start/stop pin.  
    0.9V or higher: Start  
    High active.  
    Vcc  
    28  
    SGND  
    29  
    Vref  
    Reference voltage pin.  
    Vcc  
    Reference voltage is 0.75V.  
    50µA  
    29  
    SGND  
    30  
    Vcc  
    Power supply pin.  
    No. 6186-8/9  
    LB1978V  
    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 June, 1999. Specifications and information herein are subject to change  
    without notice.  
    PS No. 6186-9/9  
    配单直通车
    LB1978V产品参数
    型号:LB1978V
    是否Rohs认证： 不符合
    生命周期：Obsolete
    零件包装代码：SSOP
    包装说明：LSSOP, SSOP30,.3
    针数：30
    Reach Compliance Code：unknown
    ECCN代码：EAR99
    HTS代码：8542.39.00.01
    风险等级：5.92
    模拟集成电路 - 其他类型：BRUSHLESS DC MOTOR CONTROLLER
    JESD-30 代码：R-PDSO-G30
    JESD-609代码：e0
    长度：9.95 mm
    功能数量：1
    端子数量：30
    最高工作温度：60 °C
    最低工作温度：
    最大输出电流：0.6 A
    封装主体材料：PLASTIC/EPOXY
    封装代码：LSSOP
    封装等效代码：SSOP30,.3
    封装形状：RECTANGULAR
    封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
    峰值回流温度（摄氏度）：NOT SPECIFIED
    电源：1.2 V
    认证状态：Not Qualified
    座面最大高度：1.6 mm
    子类别：Motion Control Electronics
    最大供电电流 (Isup)：10 mA
    最大供电电压 (Vsup)：1.7 V
    最小供电电压 (Vsup)：1 V
    标称供电电压 (Vsup)：1.2 V
    表面贴装：YES
    技术：BIPOLAR
    温度等级：COMMERCIAL
    端子面层：Tin/Lead (Sn/Pb)
    端子形式：GULL WING
    端子节距：0.65 mm
    端子位置：DUAL
    处于峰值回流温度下的最长时间：NOT SPECIFIED
    宽度：5.6 mm
    Base Number Matches：1
    •  
    • 供货商
    • 型号 *
    • 数量*
    • 厂商
    • 封装
    • 批号
    • 交易说明
    • 询价
  • 免费注册 忘记密码
    • 批量询价选中的记录已选中0条,每次最多15条。

    IC37:专业IC行业平台

    专业IC领域供求交易平台:提供全面的IC Datasheet资料和资讯，Datasheet 1000万数据，IC品牌1000多家。

    网站导航 Datasheet资料库 电子术语 电子百科
    服务中心 常见问题 委托交易 会员服务
    关于我们 公司简介 联系我们 免责申明

    产品索引：ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789

    深圳网络警察报警平台 公共信息安全网络监察 经营性网站备案信息 不良信息举报中心 工商网监电子标识 全国公安机关备案
    服务电话： 0755-32882616 0755-32882606 0755-32882608 0755-32882607 值班和投诉电话：13715251531 ©2004-2025 IC37网 版权所有：ic37.com 版权申明 公网安备44030402000606 粤ICP备13051289号-6
     复制成功！