【应用】锂电池充电芯片SK4156助力美容笔电源设计,充电电流1A,可自动过压保护
美容笔是一种去皱的手持医美产品,主要用于眼部美容护理,一般采用锂电池供电,需要锂电池充电芯片。
针对美容笔锂电池充电设计需求,推荐洺太单节线性锂电池充电芯片SK4156,该芯片采用恒定电流/恒定电压设计,最高耐压可达28V,6.5V自动过压保护,充电电流可达1A。可预设4.2V充饱电压,精度达到±1.5%,集成自动再充电、故障显示、温度监测等功能,以下是SK4156典型电气参数。
1、电容笔是便携式医美产品,采用单节锂电池供电,输入电压4V左右,电流不超过500mA,SK4156充电管理芯片耐压高达28V,充电电流达到1A,满足电容笔内部电源设计需求。
2、锂电池充电芯片对安全性要求较高,SK4156采用PMOSFET架构,充电电流可通过一个电阻器进行外部设置。当锂电池电压达到充饱电压时,SK4156将自动终止充电过程,同时集成温度检测、自动再充电、状态指示、过压保护等功能,提高产品可靠性。
3、电容笔是电池供电的医疗产品,为延长电池寿命,要求内部器件具有低功耗的特性,SK4156在关机模式下电流只有3μA,可以提高电池利用率,延长产品使用周期。
4、SK4156内部集成防倒充电路,无需防倒充MOS、检测电阻和隔离二极管,简化设计,节省PCB占用面积,以下是SK4156典型应用电路。
图1 SK4156典型应用电路
综上所述,洺太的单节锂电池充电芯片SK4156具有充电电流1A、关断电流3μA、集成多种保护功能的特性,是电容笔等便携式产品锂电池充电设计的优秀选择。
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芯圣电子
描述- 上海芯圣电子股份有限公司(Holychip)作为一家专注于芯片设计研发的企业,致力于为客户提供高性能、高性价比的芯片产品及系统解决方案。公司产品包括多种类型的微控制器(MCU)、触控单片机、ARM单片机和LDO等,广泛应用于消费电子、通讯、工控医疗等领域。此外,公司还提供一系列的开发工具和配套资料,以支持客户的开发需求。
型号- SQ333,HC18P133L,HC32AT系列,HC89F3541B,HC32F407VG,HC20LO0012,HC89F0541,HC89S5840,HC-PM18 PRO,AIRLML6402,YK2302A,HC89F7531B,HC89F0411A,FT61F143A,HC89F301C,HC18M121B1,YK3407,FT61F021B,YK3401,HC89F0312,HC15P121E2,STM8S105K3,HC89S003AF4U7M,HC20LO0018,HC89F302C,STM8S005C6,STM8S105K6,STM8S105K4,PIC12F675,HC18M003,APM2306,HC18M002,HC60W2401,HC-ICD PRO V1.0,HC89F0421A,HC20LG0201,HC32F407系列,HC89F7521B,HC89S003BF6U7M,HC89S001AJ4M7,HC89S103K6T6,HC20MD1158,HC8M2401,XP152,HC89F0531,BSS138K,S2307,YK2301A,HC89F7641B,HC20MD2001,N76E003AQ20,HC20MD2112,HC18P110B0,HCP2019-AD,HC-PM51 V6,HC-PM51 V5,HC15P121B1,HC32F407RG,HC16P122A1,HC89F1602A,HC89F3641C,HC18P235L,HC60W2401L,HC89F1601,HC89F1602,HC89F1603,SQ2302A,HC16P122B1,HC20LG0019,HC32F030BC8,HC20LG0018,HC20MD2211,HC8AT3541,HC20LO2050,HC20MD1124,HC20MD2213,STM8S105C6,HC89F3531B,IRLML6402,IRLML6401,HC32F030BR8,HC89F7541B,HC18M301D,HC18M301F,HC18P110A0,HC18P233L,HC20MD1115,HT66F004,HT66F002,HC89F3421B,HC32AT,STM8S001J3,WNM2306,HC32F103,SI2301,HC20LO2030,HC89S105AC8T7M,HC89F3531,HC20LO2033,A03407,HC89S003BF6P7M,A03402,A03401,A03400,HC18M303F,HC18M303D,2N7002K,HC32F103BRB,HT66F0195,HC-ICD V4,HC15P013A1,HC15P013A0,HC20MD1215,HC89F3621C,HC8M602,HC8M603,HC89F3541,HC8M601,S12307,HC89F3421,HC32AT3781,HCP2019-5,HC89S105AK8T7CM,STM8S105S6,STM8S105S4,HC18M302D,HC18M302F,HC88T3681,STM8S003K3,HC32AT4881,SQ3400,A03423,SQ2301A,HC32F030,HC20LO1050,FDV301N,SQL4256,HC89F3631C,HC20LO2025,HT66F0185,A03415,HC16P100B1,HC18P018A0,HC89S003AF4P7M,HC89S105AS8T7CM,HC20LO0050,HC88T3661,AP2306SI2306,MS51FB9AE,HC20LO1025,HC89F0431A,HC32F103BVB,HC8P2401L,SQL5810,HC20LO1150,S3F9454,HC88T3671,HC32F030BK6,SQ3407,HC20LO1033,SQ3401,HC20LO1030,HC32F407,HC89F7631B,HC18P015A0,STM8S103K3,HC32F103系列,STM8S005K6,HC-PM18,HC18M5831,SQ7002,HC20LO1125,HC8M612,HC20LO0033,HC-LINK V4,HC89F0322,HC18M5830,HC20LO0030,HC89F303C,AP2301,PIC12F629,STM8S003F3,FT61F143,FT61F141,HC18M5820,HC16P015B0,HC18M5821,SQL5820,HC18M5823,HC20LO1133,HC89F0332,HC20LO1130,HC32F103BCB,HC89F7621B,HC32F407ZG,HC32F030系列
萨瑞微电子产品应用
型号- SEU0524PC,P0080SC,SMCJ36CA,DTC143P1,SES2411P6,SEN2412S2-AT,SES2411P1,SMCJXXACA-AT,SES2411P4,SR250P03,SEU0501P0,SEU0501P1,SMCJ20CA,SR340N06,SMCJ43CA,SMCJ85CA,SR2321,SR35N03PH,SG45NE8PS,SEU0501P1-C,SR98P03PH,SMBJ36CA,SR150P03P4,SEN2411P1,SEH0503S1,SMCJ18CA,SR2N7002KS9,SR150PE2P4,SR33N04PH,SR3401,SMAJXXA-AT,SR3134KS9,SEU0504PC,SR4407S8,SES2431P4,SMBJ24CA,SEN3612S2-AT,SEH1501D3,SMBJ28CA,P0300FB,SR39K,SR3R230B,SEH0501P1,SR43N03PH,SRIC3701A,SEU3324PC,5.0SMCJXXA-AT,5.0SMCJXXACA-AT,BAT46W,3.0SMCJXXA-AT,SEN1501D3-AT,SEL0524S2,SR78L05,SES4501P1,SEN0701P1,P0080TC-MC,SEL0514S2-AT,SR250P03P4,SMBJ58CA,15KP33A,SMAJXXACA-AT,15KP24ACA,SG46N10PS,SEN1201D3,SR78XXM,SD103AWS,SR2333,SEU2401P0,SRB1040WS,15KP33ACA,SR42N04PH,SR221,SR2N7002K,SG45NE8T6,MMBT3904,SG650N10T4,SG45NE8T4,SEN0501P0,SR2305B,SR2305A,SMCJ60CA,SR6206,3.0SMCJXXACA-AT,SEL0501P1-1,SEN1211P1,SEN2411P1-AT,85819WS,15KP36ACA,M4SMF24CA,SEN3611D5,SMBJ15CA,SR150PE2,SR900N10,SG22N10T6,SEN3601P1-AT,SEL0521P1,SEL0521P0,SS8050,SMCJ75CA,SMCJ33CA,SEU0504PC-AT,SMBJXXA-AT,SMCJXXA-AT,SR2310,SR112N06PH,SMCJ58CA,SEL0501P1,SEH3301D3,SEN0711P1,SR8205DSC,SR0V3605A,SMF36CA,SEN0521P0,SEU0501P0-C,SEN0521P1,SS340A,SEU0521P0,SR100N03PH,SR2300,SMBJXXACA-AT,15KP36A,15KP24A,SRIC424B,SEH0501D3,SEN2401D3,SEN2401D3-AT,SMBJ33CA,SMBJ18CA,SEU0501P1-AT,SES4501D3,SEP4501P4,SEH0504S2,SR2R090C,SEP4501P6,SR34K,SMCJ15CA,SMBJ5.0CA
SK49019 2.5A单节锂电池开关模式充电管理
描述- SK49019是一款适用于单节锂电池的充电管理集成电路,具备恒压/恒流充电模式。它支持涓流充电、自动再充电和休眠模式,内置电池温度检测和保护功能,以及多种保护措施,如欠压保护和过温保护。该芯片采用SOP8-EP封装,广泛应用于备用电源、便携式设备和手持设备等领域。
型号- SK49019
洺太线性充电IC选型表
耐高压单节锂电充电管理芯片,6.8V的过压保护(OVP)功能和高达27V的耐压,可调充电截止电流,弥补了市场上通用的4056芯片充电截止电流不可调的缺陷,高精度电流和电压调节环路功能、充电状态显示和充电终止功能,支持4.2、4.3、4.35、4.4 这4种浮充电压,小体积的DFN2X2-8L和PCB空间不受限的E-SOP8封装
产品型号
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品类
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输出电压(V)
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电流量程(mA)
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最大输入电压(V)
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封装
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SK4050D6-42
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线性充电IC
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4.2V
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1-250mA
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5.5V
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TDFN1x1-6
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选型表 - 洺太 立即选型
SK4156 28V 1A 单节线性锂电池充电 IC
描述- SK4156是一款高压、大电流的单节锂离子电池线性充电IC,具备28V输入电压、1A充电电流的能力。该产品具有过压保护、恒定电流/恒定电压操作、自动再充电等功能,适用于备用电源、移动电话、数码相机等多种设备。
型号- SK4156P8,SK4156D8,SK4156
SK49029 2.5A单节锂电池开关模式充电管理
描述- SK49029是一款专为单节锂电池设计的充电管理IC,具备恒压/恒流充电模式。它支持涓流、全电流和恒压三个阶段的充电过程,并通过内部的SENSE电阻设定充电电流。该芯片还具有防倒灌、欠压保护、过温保护和双灯显示充电状态等功能。
型号- SK49029,SK49029D8,SK49029P8
【产品】无外部MOS的线性单节锂电池充电芯片SK4054C,可编程充电电流高达800mA
洺太SK4054C是一款完整的恒流恒压线性充电器,适用于单节锂离子电池或锂聚合物电池。SOT-23小封装和低外部组件数量使SK4054C非常适合便携式应用。专门设计在USB电源规范内工作。由于内部MOS架构,不需要外部检测电阻器和隔离二极管。
电子商城
现货市场
服务
可自由定制电池形状,锂离子聚合物/磷酸铁锂成分,放电倍率Max. 50C (持续放电倍率) / 150C (脉冲放电倍率),充电倍率:Max. 5,厚度可达0.5mm。
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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