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图片源于供应商或网络,实物可能存在差异,请以实物为准

pcf8551btt/ay

数量

单价

总价

¥ 103.931603

10+

¥ 75.917694

¥ 759.17694

25+

¥ 67.233382

¥ 1680.83455

100+

¥ 63.404814

¥ 6340.4814

250+

¥ 60.790183

¥ 15197.54575

500+

¥ 58.549070

¥ 29274.535

1000+

¥ 57.988792

¥ 57988.792

2000+

¥ 50.331657

¥ 100663.314

4000+

¥ 49.771379

¥ 199085.516

显示更多 ▼

购买数量

总价金额：￥ 103.931603

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样品申购

PDF描述： LCD 驱动器 48-TSSOP

产品概述

PCF8551BTT/AY 产品概述

一、产品简介

PCF8551BTT/AY 是恩智浦（NXP）推出的一款专用 LCD 驱动器，面向小尺寸字符/点阵液晶显示模块。器件以 TSSOP-48 封装提供，支持 36×4（36 列 × 4 共阴/共阳）显示结构，采用 SPI 串行总线通信，集成升压电路与内部振荡器，便于在资源受限的系统中实现低成本、低引脚占用的显示驱动方案。

二、主要特性

支持 36×4 显示矩阵，适配常见的字符/点阵模块布局。
SPI 串行接口，降低主控 MCU 的引脚需求，便于软/硬件集成。
集成升压（charge pump）电路，可生成驱动液晶所需的偏压，减少外部电源和高压资源。
内置振荡器，用于 LCD 的多路复用与刷新定时，减少对外部时钟源的依赖。
多路段驱动输出，具备驱动保护和电平管理功能，适合直接连接 LCD glass。
低功耗工作模式与节能特性，适合电池供电设备。

三、典型应用

手持仪器与便携设备的字符/小点阵显示模块。
家电、工业控制器与仪表盘的状态/信息显示。
医疗设备、消费类电子及远程读表终端等需要低引脚占用显示驱动的场景。

四、设计建议与注意事项

外部滤波/储能电容：虽集成升压电路，但通常仍需少量外部电容以保证升压稳定与降低纹波，具体参数请参阅芯片数据手册。
电源与去耦：为保证显示稳定，应在芯片电源端做好去耦，并在 PCB 布局中将高频与模拟信号区分开。
布线与走线：段/共线应尽量短且成组走线，避免长走线上的干扰串入影响对比度与闪烁。
ESD 与保护：LCD 面板与驱动端易受静电冲击，建议在输入引脚与显示输出线加保护措施并遵循封装管脚的 ESD 建议。
驱动极性与时序：内部振荡器虽可工作，但若与外部系统同步或实现闪烁/对比度控制，需在固件中正确配置时序与极性参数。

五、选型与替代方案建议

选择时应关注显示点阵规模、接口类型、功耗与系统电源架构。若系统需更多段数或其它接口（I²C/并行），可在同类 NXP LCD 驱动系列中比较替代器件。最终设计前请务必参考 PCF8551B 的正式数据手册以确认电气参数、引脚定义和推荐外部元件清单。

如需我为您的具体模块或 PCB 设计提供更详细的硬件原理图参考、升压电容选型或 SPI 时序配置建议，可提供电源与面板参数，我将进一步给出可实施的设计方案。

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/www/wwwroot/www.ic72.com/vendor/topthink/think-orm/src/db/Raw.php ( 1.22 KB )
/www/wwwroot/www.ic72.com/vendor/topthink/think-view/src/Think.php ( 8.00 KB )
/www/wwwroot/www.ic72.com/vendor/topthink/think-template/src/Template.php ( 46.61 KB )
/www/wwwroot/www.ic72.com/vendor/topthink/think-template/src/template/driver/File.php ( 2.41 KB )
/www/wwwroot/www.ic72.com/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
/www/wwwroot/www.ic72.com/runtime/temp/995a9576ac15c40d17b616c95da56580.php ( 75.72 KB )
/www/wwwroot/www.ic72.com/vendor/topthink/framework/src/think/Response.php ( 8.65 KB )
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CONNECT:[ UseTime:0.000746s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com;charset=utf8
SHOW FULL COLUMNS FROM `visit_log` [ RunTime:0.001479s ]
INSERT INTO `visit_log` SET `ip` = '216.73.216.144' , `useragent` = 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)' , `reffer` = '' , `host` = 'https://www.ic118.com/stock/detail_32147630.html' [ RunTime:0.006780s ]
SHOW FULL COLUMNS FROM `product_type` [ RunTime:0.001512s ]
SELECT `id`,`typeid`,`name`,`typestr` FROM `product_type` WHERE `id` NOT IN (11,12,13,14,15) AND `id` <= 750 [ RunTime:0.004017s ]
SHOW FULL COLUMNS FROM `o_cart` [ RunTime:0.001534s ]
SELECT COUNT(*) AS think_count FROM `o_cart` WHERE ( `userId` = 0 AND `visitIP` = '216.73.216.144' ) [ RunTime:0.010272s ]
SHOW FULL COLUMNS FROM `ad` [ RunTime:0.001511s ]
SELECT * FROM `ad` WHERE `isDisplay` = 1 [ RunTime:0.017764s ]
SHOW FULL COLUMNS FROM `stock` [ RunTime:0.002586s ]
SELECT `s`.*,`u`.`company`,`t`.`name` FROM `stock` `s` LEFT JOIN `user` `u` ON `u`.`id`=`s`.`userid` LEFT JOIN `product_type` `t` ON `t`.`id`=`s`.`categoryid` WHERE `s`.`id` = '32147630' LIMIT 1 [ RunTime:0.001356s ]
SHOW FULL COLUMNS FROM `stock_pra` [ RunTime:0.002546s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 32147630 [ RunTime:0.007434s ]
SHOW FULL COLUMNS FROM `stock_price` [ RunTime:0.001404s ]
SELECT * FROM `stock_price` WHERE `stockid` = 32147630 ORDER BY `minOrder` ASC [ RunTime:0.016224s ]
SHOW FULL COLUMNS FROM `stock_unitquantity` [ RunTime:0.001927s ]
SELECT * FROM `stock_unitquantity` WHERE `stockid` = 32147630 ORDER BY `unit` DESC [ RunTime:0.016395s ]
SHOW FULL COLUMNS FROM `stock_warehousequantity` [ RunTime:0.004768s ]
SELECT * FROM `stock_warehousequantity` WHERE `stockid` = 32147630 [ RunTime:0.030551s ]
SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.006500s ]
SELECT * FROM `stock_price` WHERE `stockid` = 32147630 ORDER BY `minOrder` ASC [ RunTime:0.002438s ]
CONNECT:[ UseTime:0.000561s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='pcf8551btt/ay' and brandshort='nxp semiconductors' limit 1 [ RunTime:0.021898s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.001267s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'pcf8551btt/ay' LIMIT 1 [ RunTime:0.004708s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.001286s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'pcf8551btt/ay' LIMIT 1 [ RunTime:0.027315s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.001012s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'pcf8551btt/ay' OR `brand` LIKE 'nxp semiconductors%' ) ) LIMIT 1 [ RunTime:0.047704s ]
SELECT `id` FROM `stock` WHERE `id` <> 32147630 AND `partno` = 'pcf8551btt/ay' AND `lockUser` = 0 AND ( LOWER(brand) LIKE '%nxp semiconductors%' ) [ RunTime:0.020155s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 32234611 [ RunTime:0.039774s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 32236518 [ RunTime:0.021346s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.002479s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'pcf8551btt/ay' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.006335s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'pcf8551btt/ay' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.015612s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.006490s ]

0.585771s

pcf8551btt/ay

购买数量

总价金额： ￥ 103.931603

推荐替代

PDF描述： LCD 驱动器 48-TSSOP

产品概述

PCF8551BTT/AY 产品概述

一、产品简介

二、主要特性

三、典型应用

四、设计建议与注意事项

五、选型与替代方案建议

类似型号

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总价金额：￥ 103.931603