供应锂电池充电IC 500mA电池反接保护 1% SOT-23

LY4057C专为4.4V高电压新型锂电池充电专用芯片 企业简介 深圳市联益微电子有限公司公司本公司注册资金500万元，中国知名电源ic供应商，与电子行业知名企业均有合作，欢迎来电洽谈业务。改革开放以来，我们企业经营一直稳中有进，凭借旗下三大块产品：LDO产品、锂电池充电芯片、同步升压芯片，在同行业占据了主要的市场份额，与国内众多领域的知名厂商、方案商、行业IC代理商均有合作。客户遍布全中国，为全世界消费者提供最安全、高效、稳定、最具性价比的芯片。联益微已成已成为手机、MP4、MID、数码相机、蓝牙WIFI、LCD显示模组、LED、太阳能、便携电源、充电器、开关电源等产品中知名芯片品牌。 联益微最新推出高性能线性恒流充电芯片充电电压3.7V/3.8V/3.85V/4.2V/4.35V/4.4V/7.4V/8.4V/8.7V/12.6V/13.05V/4.34V高电压锂电池充电管理ic芯片，LY4058/LY4057.LY6600/LY6057/LY5056耐压5V9V12V15V20V输入电压锂电池充电器ic，是一款完整的单节锂离子电池采用恒定电流/恒定电压线性充电器。其底部带有散热片的SOP8封装与较少的外部元件数目使得LY5056成为便携式应用的理想选择。LY5056可以适合USB 电源5V和适配器电源工作。 由于采用了内部PMOSFET架构，加上防倒充电路，所以不需要外部隔离二极管。热反馈可对充电电流进行自动调节，以便在大功率操作或高环境温度条件下对芯片温度加以限制。充电电压固定于4.2V，而充电电流可通过一个电阻器进行外部设置。当充电电流在达到最终浮充电压之后降至设定值1/10 时，LY5056将自动终止充电循环。 当输入电压（交流适配器或USB 电源）被拿掉时，LY5056自动进入一个低电流状态，将电池漏电流降至2uA以下。LY5056在有电源时也可置于停机模式，将供电电流降至50uA。 LY5056的其他特点包括电池温度检测、欠压闭锁、自动再充电和两个用于指示充电、结束的LED状态引脚。 应用领域 手机、PDA、MP3、MP4 充电器 蓝牙、GPS导航仪 主要特性 可编程充电电流，可达1000mA 不需外接MOSFET,传感电阻和阻塞二极管 用于单节锂电池、采用SOP封装的完整线性充电器 恒流/恒压充电和热度调节功能使得充电过程高效管理，而无过热危险 直接从USB接口管理单节锂离子电池充电 预设充电电压 4.2V ±1% 充电电流输出监控 自动重新充电 充电状态双输出、无电池和故障状态显示 1/10 充电电流终止充电 停机模式下的供电电流为50uA 2.9V涓流充电阀值电压 软启动限制浪涌流 电池温度监测功能 采用 SOP8-PP 封装 TEMP(引脚1)：电池温度检测输入端。将TEMP管脚接到电池的 NTC传感器的输出端。 如果TEMP管脚的电压小于输入电压45 ％或者大于输入电压的80％，意味着电池温度过低或过高，则充电被暂停。如果TEMP 直接接GND，电池温度检测功能取消，其他充电功能正常。 PROG（引脚2 ）：恒流充电电流设置和充电电流监测端。从PROG 管脚连接一个外部电阻到地端可以对充电电流进行编程。在预充电阶段，此管脚的电压被调制在0.1V；在恒流充电阶段，此管脚的电压被固定在 1V。在充电状态的所有模式，测量该管脚的电压都可以根据下面的公式来估算充电电流： Vprog Ibat=-----------*1200 Rprog GND（引脚3 ）：电源地。 Vcc (引脚4)：输入电压正输入端。此管脚的电压为内部电路的工作电源。当Vcc与BAT 管脚的电压差小于30mV 时，LY5056将进入低功耗的停机模式，此时BAT 管脚的电流小于2uA BAT（引脚 5 ）：电池连接端。将电池的正端连接到此管脚。在芯片被禁止工作或者睡眠模式，BAT 管脚的漏电流小于2uA。BAT管脚向电池提供充电电流和 4.2V的限制电压. STDBY(引6）：电池充电完成指示端。当电池充电完成时STDBY被内部开关拉到低电平，表示充电完成。除此之外，管脚将处于高阻态。 CHRG（引脚引脚）:漏极开路输出的充电状态指示端。当充电器向电池充电时,CHRG管脚被内部开关拉到低电平，表示充电正在进行；否则CHRG管脚处于高阻态. CE（引脚8）芯片始能输入端。高输入电平。将使TP4056 处于正常工作状态；低输入电平使LY5056 处于被禁止充电状态。CE 管脚可以被TTL电平或者CMOS 电平驱动。 联益微成立于一九九七年，专注致力於类比IC及晶圆研发、设计、製造、封装、测试及行销业务。以研发创新于中国而销售服务于全世界为模式。联益微电子专注於提供客户最具竞争力的电源管理芯片產品及为客户提供优质的电源解决方案。 联益微产品：DC/DC升压芯片、同步整流升压芯片、同步整流降压芯片、LDO稳压芯片、锂电池充电芯片、锂电池保护芯片、恒流芯片、LED驱动芯片、电压检测芯片、AC-DC转换原边控制芯片、AC-DC转换复边控制芯片、AC-DC转换配套芯片、高压MOSFET、低压MOSFET等电源管理芯片等。工艺技术的模拟及数模混合集成电路，相关产品广泛应用于信息家电、数码电子、汽车电子、光伏产业、无线通信、数字通讯和网络技术等领域。联益微不断的提供高性价比的产品，优秀的销售队伍、强有力的技术支持，先进的生产供应管理体系，提供令客户满意的产品 联益微秉持著以经营为中心，以市场为导向，以开发为基础，以品质为生命，以管理为保障的经营理念，以稳健踏实的脚步追求企业持续改善、以“技术领先，质量领先，服务领先”为经营宗旨，以“成为世界级水平的半导体芯片供应商”为目标。联益微的样品服务项目，可以为世界范围内的设计工程师提供免费样品。 联益微由一支强大的管理队伍所引领，全球各地联益微公司都秉承“始终如一的为客户服务”宗旨，不断的进行创新与巩固，是联益微公司持续发展的不竭动力。联益微已发展成为一个国际化公司，产品远销全球各地区及相关的市场领域满足客户需求。联益微的客户面广，包括原始设备制造商（OEM）、作为OEM公司外购来源的电子制造服务业（EMS）公司以及代理分销商。 联络我们 联益微电子股份有限公司 联益微香港电子有限公司 深圳市联益微电子有限公司 地址：深圳市福田区新洲路嘉葆润金座A栋15层 销售五部 销售经理 欧阳鑫先生 手机 手机 微信 联益微深圳分公司 联益微提供： 供应PFM工作模式的升压IC 供应PWM工作模式的升压IC 供应输入电压0.8V-5V的升压IC 供应输入电压1V-5V的升压IC 供应输入电压1V-20V的升压IC 供应输出电压2.2/2.7/2.8/3.0/3.3/3.6/4.0/5.0/可调型的升压IC 供应可代替BL8530 XC6385 RT9261的升压IC 供应可替代HT77系列 S-8351的升压IC 供应可替代LTC3429 LTC3400的升压IC 供应输出400MA的升压IC 供应输出1A的升压IC ************供应PWM工作模式的降压IC********** 供应输入电压2.5V-6V的降压IC 供应输出电压2.5V-5.5V可调的降压IC 供应输出固定电压1.2/1.5/1.8V/3.3V的降压IC 供应输出电流600MA的降压IC 供应可替代RT8808 ACT6909 MP2104的降压IC 供应可替代LTC3406 APS1006的降压IC 供应线性工作模式的LDO线性稳定IC 供应输入电压1.2-6.5的线性稳定IC 供应输入电压18V以内的线性IC 供应输入电压1.2-3.6V的LDO 供应输出电压可调的LDO 供应输出电流300MA、500MA的LDO 供应输出电流1A的LDO *************供应耐高压线性IC*********** 供应输入24V内的耐高压LDO 供应输出3.0/3.3/3.6/4.4/5.0的耐高压LDO 供应输出电流为50MA、100MA的耐高压LDO 供应输出电流为300MA的耐高压LDO 供应可替代HT71** HT75** HT73**的耐高压IC *******供应LED驱动恒流IC**** *******供应LED降压恒流IC**** *******供应LED升压恒流IC**** *******供应LDO降压恒流的LED驱动IC***** 供应输出电压2.7-7.0的LED恒流驱动IC 供应输出电流150/180/200/220/250/280/300/350/380MA的LED恒流驱动IC 供应输出电流100MA-3000MA的LED恒流驱动IC 供应可替代T6335A AMC7135的LED恒流驱动IC *******供应射灯驱动IC***** 供应输入电流800MA内的射灯驱动IC 供应输入电路3Aneu的射灯驱动IC 供应输入电压5.5-36V的射灯驱动IC 供应可替代ZXLD1350 ZXLD1360的射灯驱动IC 供应可替代PT4115 PAM2863的射灯驱动IC *******供应日光灯、球泡灯IC**** 供应输入电压5-400V的日光灯IC 供应输出电流1000MA的日光灯IC 供应DC-DC降压恒流的LED驱动IC *******供应手电筒驱动IC**** 供应输入电压1.6-3.3V的手电筒驱动IC 供应输入电压0.8-3.0V的手电筒驱动IC 供应输入电流300MA、800MA内的手电筒驱动IC 供应可替代PAM2803的手电筒驱动IC *******供应背光驱动IC***** 供应输入电压2.7-6.0V的背光驱动IC 供应输出电流30MA、20MA内的背光驱动IC 供应可替代LM2705、RT9271、LM2705、RT9271的背光驱动IC 供应可替代AMC7110 AMC7113 PT4401 CP2139的背光驱动IC ********供应太阳能路灯驱动IC****** 供应输入电压2.5-400V的太阳能灯驱动IC 供应输出电流1A的太阳能灯驱动IC 供应可替代ZXLD300的太阳能灯驱动IC *********供应草坪灯驱动IC****** 供应输入0.9-3.0V的草坪灯驱动IC 供应输出电流300MA内的草坪灯驱动IC 供应可替代JD1803 JD1801的草坪灯驱动IC *********供应升压恒流驱动IC***** 供应启动电压0.9V以上的升压恒流驱动IC 供应输出电流1000MA的升压恒流驱动IC 供应可替代PAM2803的升压恒流驱动IC *******供应低电压检测IC**** 供应N通道的低电压检测IC 供应C通道的低电压检测IC 供应输入电压0.7-10V的低电压检测IC 供应可替代XC61NCC XC61CN的低电压检测IC ******供应MOS******* 供应P-MOS 供应N-MOS 供应双MOS 替代兼容原厂替代兼容原厂BT4054EUP8054QX4054QX6206QX2106QX7135QX7136YB4054YB4064EMC5754PT6181APL3202B/ZCC4054HYM4054BQ24010HX6001HX6002HX6038HX4004QX2303QX2304/2YL6/MC6288CL5502HT4054CE3150PJ1134PJ6204PJ1134PJ5056PJ4054PJ4056PJ4057TG1803YB1210IN4057IN4054IN6206IN6211IN6203IN5056MC4054MC4056KF4054SL4054/LY6206/LY6211/LY7350/LY4054/LY3083/LY4057/LY5056/LY2106/KX2108/KX4054/KX4057/KX7350/KX6206/KX6211/KX6209/KX6208/KX6210/KX7330/KX2188/KX2109/KX4058/KX4059/SL2108/BT2108/SY3128 SY3196 SY7218 SY3133 SI2129 SI2188 SI2101/SY3144 SY3145 SY3146 SI4056 SY3147 SY3148 SI6007 SI6017 SI6018 SDW18B/ES4358/AM5054/CX6220CX8350CX9058CX4054CX9056CX4056CX2901CX2901A CX100CX6206CX6203/ME4054/ME4057ASPG/ME4057DSPG/ME4059ASPG/ME4059DSPG/MH4057/MH4054/PJ4057/PJ4056/SI6117 SI6220 SI1117 SI7130 SI7150 SI7133 SI7530 SI7550 SI7330 SI7333 SI7350/ CH1002CH1001CH6210CH4054SX5202SX5055SX5058GS2952GS2953GS3661SC1515GS1330GS1333GS1350GS1661GS7550GS7330GS2004GS2003GS2002GS2001GS7001/GS7002/GS4054/GS4056/GS5056/GS2108/GS8350/GS6206/GS1404GS1405GS1407GS4056SC1409SD6041SD8001SD6271SD7135SD7136SD3301MH7011DSD8057SD2054SD6303SD8057SD5054SD5088SD4054SD4056SD8017SD8001SD8054SD8016XA2361XA2317XA4246XA5056XA4017XA4217XA4202XA4059XA4058XA4057XA3200XA3406XA3106XA9011XA7135XA7136XA9920XA803AM9116/AM6017/AM9017/AM6206/DB08B/SC0002/SD5056/SD4057A/SD4057D/SY3121 SY3122 SY3223 SY3224 SY3227 SY3228/SI6807 SI6808 SI7135 SY3176 SY3175/UP5056/UP4057/SY2300 SY2302 SY3403 SY3407 SYP4953 SYP9435 SYN9926 SYN8205/SI1001 SI1017 SI1037 SI1031 SI1101 SI1484 SI1482/SY3159 SY3161 SY3166 SY3169 SY3189 SY3136 SY3269 SI6201 SI6207电源管理IC,锂电池充电管理IC,LED驱动IC(升压IC),恒流LED驱动IC,DC/DC 升压IC,同步升压IC,DC/DC降压IC,电压检测IC(复位IC),恒流LDO,恒流IC,三端稳压器,耐高压LDO,稳压IC LDO,带使能端LDO,双路LDO,反压IC,倍压IC,锂电充电IC,锂电保护IC,高压低压MOS管 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销售五部 销售经理 欧阳鑫先生 手机 手机 微信 LY2508A12M LY2508A15X LY2508A15P LY2508A15M LY2508A18X LY2508A18M LY2508A20M LY2508A21M LY2508A25X LY2508A25P LY2508A25M LY2508A27M LY2508A28M LY2508A33M LY2508A28X LY2508A30M LY2508A30X LY2508A33X LY2508A36M LY2508A12P LY2508A18P LY2508A20P LY2508A28P LY2508A30P LY2508A33P LY2508A35P LY2508A36P LY2508A33T LY2508A133P(反脚位） LY2508C12M LY2508C13M LY2508C15M LY2508C18M LY2508C20M LY2508C33M LY2508C30M LY2508C28M LY2508C27M LY2508C25M LY6206R33T LY6206K33P LY6206K133P LY6206L33P LY2509A28M LY2509A33M LY2509A36M LY2509A30M LY2509A50M LY2507C18M LY2507C50M LY2507C33M LY2507C50K LY2507C50P LY2507A50P LY2501A33T LY2501A33P LY2501A36P LY2501A36T LY2501A44T LY2501A44P LY2501A50P LY2501A50T LY2501A30P LY2501A30T LY5801X LY5801M LY5802M LY5802X LY5803M LY5807M LY5810M LY5810X LY2300 LY2301 LY2302 LY2305 LY2306 LY2307 LY2310 LY3400 LY3401 LY3403 LY4410 LY4616 LY4606 LY8205A(TSSOP8) LY8205S(SOT23-6) LY8206 LYDW01 LY1028A30M LY1028A30P LY1028A30T LY1028A33M LY1028A33P LY1028A33T LY1028A50M LY1028A50P LY1028A50T LY1028B33M LY1028B33P LY1028B50M LY1028B50P LY1036A30M LY1036A30P LY1036A33M LY1036A33P LY1036A36M LY1036A36P LY1036A45M LY1036A45P LY1036A50M LY1036A50P LY1036B30P LY1036B33M LY1036B33P LY1036B50P LY1036C30M LY1036C33M LY1036C36M LY1036C45M LY1036C50M LY1036D30M LY1036D33M LY1036D50M LY1036F LY331T LY501T LY331D LY501D LY1039C535M LY1039F LY1029 LY8355 LY8355D535 LY1035A23P LY1035A25P LY1035A27M LY1035A27P LY1035A27T LY1035A28T LY1035A28M LY1035A28P LY1035A30M LY1035A30P LY1035A33M LY1035C33M LY1035A33P LY1038A27M LY1038A27P LY1038A27T LY1038A28M LY1038A28P LY1038A30M LY1038A30P LY1038A33M LY1038A33P LY1038A36M LY1038A36P LY1038A40P LY1038A45P LY1038A501D LY1038A50M LY1038A36M LY1038A50P LY1038A56P LY1038B30P LY1038B33P LY1038B50P LY1038B56P LY1038B56X LY1038C30M LY1038C33M LY1038C36M LY1038C40M LY1038C50M LY1038D33M LY1038D50M LY1038D56M LY1038F LY60C11M LY60C22M LY60C25M LY60C27M LY60C28M LY60C36M LY60C43M LY60C45M LY60C39M LY60C30M LY60C33M LY60C35M LY60C38M LY60C18M LY60C14M LY60N14M LY60N18M LY60N27M LY60N28M LY60N45M(23-5) LY60N45M(23-3) LY60N33M LY60N42M23-5 LY60N35M LY60N42M23-3 LY60N24M LY60N50M LY60N22M LY60N25M LY6N36M LY60N38M LY60N39M LY60N30M LY60N43M LY61C11M LY61C22M LY61C25M LY61C27M LY61C28M LY61C36M LY61C43M LY61C45M LY61C39M LY61C30M LY61C33M LY61C35M LY61C38M LY61C18M LY61C14M LY61N14M LY61N18M LY61N27M LY61N28M LY61N45M(23-5) LY61N45M(23-3) LY61N33M LY61N42M23-5 LY61N35M LY61N42M23-3 LY61N24M LY61N50M LY61N22M LY61N25M LY61N36M LY61N38M LY61N39M LY61N30M LY61N43M LY7022P LY7050M LY7024T LY7024P LY7025P LY7027P(2808) LY7033T LY7033P LY7027T LY7044P LY7044T LY7050T LY7070P LY2506C12M LY2506C15M LY2506C18M LY2506C28M LY2506C33M LY2506A33P LY2506C30M LY2506A12M-N LY2506A25M-N LY2506A30M-N LY2506A33M-N LY2506C25M LY1117-1.2(SOT223) LY1117-1.8(SOT252) LY1117-1.8(SOT223) LY1117-2.5(SOT223) LY1117-3.3(SOT223) LY1117-3.3(SOT252) LY1117-5.0(223) LY1117-5.0(252) LY1117ADJ(252) LY1117ADJ(223) LY6117A33M(223) LY6117A50M(223) LY6118-1.2 LY6118-1.8(223) LY6118-2.5 LY6118-3.3 LY6118-5.0 LY9899(SOP8) LY9899(23-5) LY9899(SOT89) LY7660(D2P8) LY7660(sop8) LY7330M LY7333M LY7328M LY7336M LY7350M LY7318P LY7333P LY7350P LY7340P LY7330P LY7325P LY7336P LY7344P LY7330T LY7333T LY7350T LY7533P LY7550P LY7530P LY7536P LY7544P LY7530T LY7533T LY7536T LY7544T LY7550T LY7130P LY7133P LY7136P LY7144P LY7150P LY7130T LY7133T LY7136T LY7144T LY7150T LY7330-A LY7333-A LY7336-A LY7340-A LY7330-A LY7333-A LY7336-A LY7350-A LY7530-1 LY7533-1 LY7536-1 LY7540-1 LY7544-1 LY7545-1 LY7526A-1 LY7533A-1 LY7540A-1 LY7550A-1 LY7130-1 LY7133-1 LY7136-1 LY7144-1 LY7150-1 LY7130A-1 LY7133A-1 LY7136A-1 LY7144A-1 LY7150A-1 LY7318-A LY7333-A LY7350-A LY7340-A LY7330-A LY7325-A LY7336-A LY7344-A LY7330-A LY7333-A LY7350-A LY7533-1 LY7550-1 LY7530-1 LY7536-1 LY7544-1 LY7530A-1 LY7533A-1 LY7536A-1 LY7544A-1 LY7550A-1 LY2517 LY3508A10M LY3508A12M LY3508A15M LY3508A25M LY3508A28M LY3508A33M LY3408 LY8305 LY2509C33M LY2509C36M LY2509C50M LY2509C40M LY2810 LY5024Q24B LY4508F LY1060A19P LY1060A30P LY1060A33P LY1060A50P LY1060C25M LY1060C33M LY1033C50M LY2510A30P LY2510A50P LY1061 LY9926B LY9926A LY2314 LY2343 LY2953 LY2952 LY4430 LY5252 LY9910 LY4101 LY4415 LY2952 LY2953 LY9739 LY9738 LY9737 LY9730ADJ LY9730A18M LY9730A33M LY9730A12M LY9730A10M LY2213 LY2211 LY2329A36M LY2211T LY2210 LY2326 LY2203 LY2106F LY3440 LY203 LY2263 LY3708 LY30A LY431 LY4313 LY7432 LY6100 LY6101 LY6102 LY6105 LY6107 LY6119 LY6110 LY6200 LY6202 LY6204 LY6300 LY6302 LY6304 LY6305 LY6310 LY6311 LY6312 LY6313 LY6316 LY7660 LY5058 LY6600 LY6057 LY4054 LY6038 LY9890 LY9890 DW01 LY9830 LY1046 LY1046M LY9832 LY9880 LY8115 LY1058F LY5056 LY4056A LY5058 LY4057D(4.35V) LY4057 LY3083 LY3085 LY3085(4.35V) LY3086 LY4057(23) LY4056(SOP8) LY4055 LY4056 LY5057(sop8) LY4059(2A单节4.2V/4.35V锂电池充电ic） LY6057（500MA双节双灯指示锂电池充电DC-DC) LY6600(2A双节双灯指示锂电池充电DC-DC) LY4058A(2A单节4.2V锂电池充电ic) LY4058B(2A双节8.4V锂电池充电ic) LY4058C(2A双节8.7V锂电池充电ic) LY4058D(2A单节4.35V锂电池充电ic) LY4058E(2A三节12.6V锂电池充电ic) LY4058E(2A三节13.05V锂电池充电ic) LY6809A263M LY6809-2.63 LY6809A463M LY6809-2.93 LY809T-3.08 LY809S-2.93 LY6809-4.38 LY6809-4.0 LY6809-2.93 LY6809-3.08 LY3083A LY9012 LY6600 LY9435 LY4953 LY9980(不带散热片） LY9890 LY7136 LY7135 LY7134 LY7132 LY7128 LY7126 LY7130 LYL7135 LYL7135 LYL7132 LYL7128 LYL7126 LYL7130 DWO1 LY5806 LY1035A22M LY1035A25M LY1035A27M LY1035A27P LY1035A27T LY1035A28T LY1035A28M LY1035A28P LY1035A30M LY1035A30P LY1035A33M LY1035A23P LY1035A50P LY1035A33P LY2N60 LY4N60 LY5N60 LY6N60 LY7N60 LY8N60 LY10N60 LY12N60 LY13003 LY1N65 LY2N65 LY4N65 LY7N65 LY8N65 LY10N65 LY12N62 LY431 LY431A LY4313 联益公司专业芯片厂家专业生产DC/DC升压ic、LDO稳压ic、锂电池充电管理ic、电压检测ic、低压高压MOS管、AC转换ic 销售五部 销售经理 欧阳鑫先生 手机 手机 微信