芯伯乐电流控制型脉宽调制芯片UC3842,低启动电流<0.5mA,可直接驱动双极型场效应管或功率管
芯伯乐推出的UC3842是一款性能优良的电流控制型脉宽调制芯片,该调制器单端输出,能直接驱动双极型的场效应管或功率管。该芯片集成了振荡器,具有高温补偿的高增益误差放大器,电流检测比较器,图腾柱输出电流,输入和基准欠电压锁定电路以及PWM锁存器电路。
一.主要特点
低启动电流(<0.5mA)
稳定的基准电压源
大电流推挽输出(驱动电流达1A)
工作频率可达到500kHz
具有徊滞特性的欠压锁定
最大占空比箝制
二.管脚定义及封装类型
三. 应用领域及产品
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本文由Vicky转载自芯伯乐公众号,原文标题为:一款典型的开关电源管理芯片UC3842,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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UC3842, a High-performance Current-mode Pulse-width Modulation (PWM) Controller Chip
UC3842 is a high-performance current-mode pulse-width modulation (PWM) controller chip. It features single-ended output, capable of directly driving bipolar junction transistors (BJTs) or power transistors. The chip integrates an oscillator, a high-gain error amplifier with high-temperature compensation, a current sensing comparator, a totem-pole output stage, input and reference undervoltage lockout circuits, and a PWM latch circuit.
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芯伯乐对照表
该资料提供了一系列电子元器件的对照型号和厂牌信息,包括逻辑门、定时器、模拟开关、电压调节器、运算放大器等。资料中列出了多种型号的元器件,如CD4001BE、CD40106BE、CD4021BE等,以及它们的对照型号和厂牌,如TI/德州仪器、NXP/恩智浦、ST/意法等。此外,还包括了部分特殊型号的元器件,如24C02S、24C01BN、24C02BN等,以及它们的对照型号和厂牌。
芯伯乐 - 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芯伯乐(XBLW)半导体器件选型指南
芯伯乐产品专注于消费类和工业类市场。主要产品有电源管理IC、低功耗LDO、三端稳压、高中低压MOS管、马达驱动、接口RS485/RS232、达林顿及逻辑电路等。产品广泛应用于无人机、机器人、电源、计算机、仪器仪表、玩具、家电、通讯设备、照明应用、汽车电子、工业自动化设备等领域。
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芯伯乐产品应用在电动自行车上的开发设计
电动自行车是一种以车载蓄电池为辅助能源,具备脚踏骑行能力,能实现电助动或电驱动功能的两轮自行车。本文主要介绍芯伯乐产品在以下相关电路的应用:电动车充电器电路,电动车仪表盘时钟电路,手柄转把信号放大电路,外围供电电路。
芯伯乐 电源管理IC 选型表
芯伯乐,电源管理IC包含线性稳压器、DCDC开关电源、脉冲宽度调制解调器、人体感应传感器,工作电压(V):1.2-40V,湿气敏感性等级:3级(168小时),等级认证标准:SGS,ISO9001,ISO1400,工作温度:-10~150℃,有TO-252、TO-263、SOT-223等多种封装形式。
产品型号
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品类
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工作电压(V)
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湿气敏感性等级
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等级认证标准
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封装
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工作温度
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L78M12HDTR
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线性稳压器
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12V
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3级(168小时)
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SGS,ISO9001,ISO1400
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TO-252
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-20~125℃
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选型表 - 芯伯乐 立即选型
XBLW UC3842 电流型脉宽调制器
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芯伯乐 - 恒频电流型PWM控制器,电流型脉宽调制器,XBLW UC3842AN,XBLW UC3842,XBLW UC3842BDTR,3842
uc3863lCMOS集成电路反激变换器低成本节能型PWM控制器
UTC UC3863L是一款低功耗模式PWM控制器,适用于反激式转换器。它具有可编程的PWM开关频率、低启动电流、节能模式和多种保护功能,包括过载保护和过压锁定。该芯片广泛应用于电池充电器、电源适配器、机顶盒电源、喷墨打印机等。
UTC - 高性能电流模式脉宽调制控制器,低成本节能模式PWM控制器,LOW COST POWER-SAVING MODE PWM CONTROLLER,HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER,互补金属氧化物半导体集成电路,CMOS IC,UC3863L,UC3863LP-AG6-R,FLYBACK CONVERTERS,SET-TOP BOX POWER SUPPLIES,返驰转换器,电池充电器,机顶盒电源,INK JET PRINTERS,喷墨打印机,POWER ADAPTOR,开架开关电源,BATTERY CHARGER,电源适配器,OPEN-FRAME SMPS
XBLW Showcased Linear Voltage Regulator XBLW AMS1117, RS-485/RS-422 Chip MAX3485 and Other Product in 2023 ES SHOW
XBLW Is The Partner Of “ES SHOW 2023 Shenzhen Electronic Components And Materials Procurement Exhibition“.It Carries Linear Voltage Regulator XBLW AMS1117, RS-485/RS-422 Chip MAX3485, Power Management Chip UC3842, Darlington Transistor ULN2003, General Time-Base Chip TLC555, Low Power Operational Amplifier Chip LMV358 And Other Products Are Displayed To Attract Major Exhibition Visitors And Domestic And Foreign Customers And Friends To Visit The Exhibition And Negotiate.
芯伯乐XBLW超强实力品牌引来大围观,ES SHOW完美落幕!
为期三天的电子元器件及物料采购展览会已完美落幕,本届电子展在深圳国际会展中心(宝安新馆)举行,芯伯乐XBLW别具一格的装饰,以及现场推出了众多产品展示、丰富资源亮相,为现场客户朋友带来一场精彩互动。
AC/DC Drivers PWM Control IC BM1P107FJ
该资料介绍了ROHM公司生产的BM1P107FJ型PWM控制IC,适用于包含电源插座的所有产品。该芯片具有内置650V启动电路,有助于降低功耗。支持隔离和非隔离版本,简化了各种低功率转换器的设计。开关MOSFET和电流检测电阻为外部设备,从而在电源设计中实现更高的自由度。固定切换频率,采用电流模式控制,在每个周期内施加电流限制,表现出优异的带宽和瞬态响应性能。轻载时降低频率,提高效率。还集成了跳频功能,有助于降低EMI。芯片还具有软启动和突发功能、每周期过流限止器、VCC过压保护、过载保护和其它保护功能。
ROHM - 脉宽调制控制IC,PWM CONTROL IC,BM1P107FJ-E2,BM1P106FJ,BM1P105FJ,BM1P108FJ,BM1P107FJ,BM1P102FJ,BM1P101FJ,BM1P104FJ,BM1P103FJ,BM1P061FJ,BM1P063FJ,BM1P062FJ,BM1P065FJ,BM1P064FJ,BM1P067FJ,BM1P066FJ,BM1P068FJ,交流适配器、电视机和家用电器(吸尘器、加湿器、空气净化器、空调、IH烹饪加热器、电饭煲等),AC ADAPTERS, TVS, AND HOUSEHOLD APPLIANCES (VACUUM CLEANERS, HUMIDIFIERS, AIR CLEANERS, AIR CONDITIONERS, IH COOKING HEATERS, RICE COOKERS, ETC.)
AC/DC Drivers PWM Control IC BM1P105FJ
该资料介绍了罗姆半导体公司生产的BM1P105FJ型PWM控制IC,适用于包含电源插座的所有产品。该IC具有内置650V启动电路,有助于降低功耗。支持隔离和非隔离版本,简化了各种低功率转换器的设计。开关MOSFET和电流检测电阻为外部设备,从而在电源设计中实现更高的自由度。固定切换频率,采用电流模式控制,在每个周期内施加电流限制,表现出优异的带宽和瞬态响应性能。轻载时,频率降低,效率更高。还集成了跳频功能,有助于降低EMI。芯片上还包括软启动和爆闪功能、每周期过流限止器、VCC过压保护、过载保护和其它保护功能。
ROHM - 脉宽调制控制IC,PWM CONTROL IC,BM1P106FJ,BM1P105FJ,BM1P108FJ,BM1P107FJ,BM1P102FJ,BM1P105FJ-E2,BM1P101FJ,BM1P104FJ,BM1P103FJ,BM1P061FJ,BM1P063FJ,BM1P062FJ,BM1P065FJ,BM1P064FJ,BM1P067FJ,BM1P066FJ,BM1P068FJ,交流适配器、电视机和家用电器(吸尘器、加湿器、空气净化器、空调、IH烹饪加热器、电饭煲等),AC ADAPTERS, TVS, AND HOUSEHOLD APPLIANCES (VACUUM CLEANERS, HUMIDIFIERS, AIR CLEANERS, AIR CONDITIONERS, IH COOKING HEATERS, RICE COOKERS, ETC.)
AC/DC Drivers PWM Control IC BM1P068FJ
该资料介绍了ROHM公司生产的BM1P068FJ型PWM控制IC,适用于包含电源插座的所有产品。该芯片具有内置650V启动电路,有助于降低功耗。支持隔离和非隔离版本,简化了各种低功率转换器的设计。开关MOSFET和电流检测电阻为外部设备,从而在电源设计中实现更高的自由度。固定切换频率,采用电流模式控制,在每个周期内施加电流限制,表现出优异的带宽和瞬态响应性能。轻载时降低频率,提高效率。还集成了跳频功能,有助于降低EMI。芯片还具有软启动和突发功能、每周期过流限止器、VCC过压保护、过载保护和其它保护功能。
ROHM - 脉宽调制控制IC,PWM CONTROL IC,BM1P106FJ,BM1P105FJ,BM1P108FJ,BM1P107FJ,BM1P102FJ,BM1P101FJ,BM1P104FJ,BM1P068FJ-E2,BM1P103FJ,BM1P061FJ,BM1P063FJ,BM1P062FJ,BM1P065FJ,BM1P064FJ,BM1P067FJ,BM1P066FJ,BM1P068FJ,交流适配器、电视机和家用电器(吸尘器、加湿器、空气净化器、空调、IH烹饪加热器、电饭煲等),AC ADAPTERS, TVS, AND HOUSEHOLD APPLIANCES (VACUUM CLEANERS, HUMIDIFIERS, AIR CLEANERS, AIR CONDITIONERS, IH COOKING HEATERS, RICE COOKERS, ETC.)
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可定制Wafer连接器、牛角连接器、FPC/FFC 连接器,IDC 连接器的尺寸/规格等参数,电流不超过8A;环境温度:-40度~105度;寿命/拔插次数:不超过800次。
最小起订量: 5000 提交需求>
可自由定制铜排形状尺寸;检测精度:0.5%~1.0;电流测量范围 ±300-500A。低噪音 (0.27mVpp);低磁力残余误差:2mV;响应性能<4μSec;支持RoHS指令 、AEC-Q200。
最小起订量: 100个 提交需求>
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