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**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。
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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
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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
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*******供应射灯驱动IC*****
供应输入电流800MA内的射灯驱动IC
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*******供应日光灯、球泡灯IC****
供应输入电压5-400V的日光灯IC
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*******供应手电筒驱动IC****
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*******供应背光驱动IC*****
供应输入电压2.7-6.0V的背光驱动IC
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********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
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*********供应草坪灯驱动IC******
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*********供应升压恒流驱动IC*****
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*******供应低电压检测IC****
供应N通道的低电压检测IC
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******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
SD5056/SD5054/SD9017/SD8017/SDAM9114AM3102BAM3220AM3309AM1037AM1008AP8660AP8835AP5160AP2803AP8803AP8804AP8805AP8806AP8800AP8406AP7206AP7211AP7219AP8054AP8056AP8055AP8057AP4056AP5056AP3256AP8835AP8836AP8838AP8820AP5252AP5253KF2108KF6309KFXX1KF9104/KF7071/KF8205/KF2300/KF3400/KF9435/KF4953/KF8810/KF8160KF5405KF5404KF4055KF4054KF4056KF4057KF5406KF5407KF5408KF5409KF5417KF4057AKF4057DKF4059KF4058KF6383KF6400KF8166KF2108KF8166KF8167KF9930KF7406KF2952AKF2953AKF7135KF7136KF7137KF7138KF9950KF8167KF8169KF6203KF6209KF6210AX6800AX6900AX2108AX2100AX2109AX1301AX3001AX2139AX4002AX5510AX8001AX1001AX1002AX1017AX1021AX1223AX1037AX4054AX6001AX6003AX6024AX5754AX5056AX7079AX7080AX6202/PL7071/PL4056/PL4054/PL50564.35AX6028AX6017AX61FAX3244AX3143AX2301AX2302AX2303AX2307AX9435AX9926AX2300AX3400AX3401CD2130CD2115CDT1118CDT70XXKD2100KD2101KD2108KD2103MC6288PS3120ATD8208TP83XXHX6001HX6001AP5056ME6206FP6291ME2109TP4056FP6291HX6038-HXN-WSHX6001TP4056AP2952AP2953ME2109FP6291ME2108ME2108ME2108FP6291ME6209ME6209ME6221ME6211ME6401ME6219HX6038-HXN-WSHX6001TP4055TP4057TP4056ME4059/ES4358/UP5056/SD5056/B628/SDB628/SX1308/AH8005/CP6206A18M3G/CP6206A12M3G/CP6206A15M3G/CP6206A21M3G/CP6206A25M3G/CP6206A27M3G/CP6206A28M3G/CP6206A30M3G/CP6206A33M3G/CP6206A36M3G/KF8353/KF2108/KF5408/KF5404/CP2108/CP2109/CP2188/CP7708/CP6206/CP6201/CP6207/CP7350/CP7333/CP7330/CP7130/CP7550/SY3142 SI3149 SY3244 SY8131 SY3129 SY3124 SI8808
HX6203-HXN-XIBCTP4054FP6291ME7135SD7136MIX5501-QX2303TP40574054-2YL6QX2303TP4057HX6001HXN-XIBCHX6003TP4055TP4057HX1001HX8001LY7607ME7135ME7136QX9920ME2206/ME6206HX6003HX6001HX6001
HX6001QX2303FP6291HX6001AP5056TP4057HX6038-HXN-WSHX6203-
MOSME3206ME6401ME/HXME2159ME2109HX1037HX8001FP6291QX7135QX9920ME2206QX2303QX2304ME2108ME2100LT3406ME6206ME6211ME6219HX6001AP5056TP4055TP4057TP4056AP5056ME2206QX7135QX7136QX7138QX9920ME2108ME2108MEXX1ME2109ME6206HX6001HX6001HX6001HX6001TP4056ME4057HX6003HX6001HX6003ME4057HX6003ME21883400ME2108ME6206ME6216ME22063406AP2952AAP2953AQX99201%QX2303QX2304ME2108ME2100ME2109HX3032HX3001ME2139HX4002HX3001HX800HX1001HX1002HX1017HX1021HX1223HX1037HX6001HX6001HX6003HX6024ME4054AP5056AP5056AX7080ME4057DHX6028HX6038ME2803HX3244HX3143ME6206ME6211ME6118ME70XXME2108QX2303HX-JE/HX=JE/TL4056/TC4056/XC4056/BL4056/BL4054/SGM4056/GS1406/GS2952A/GS2953A/HT7550P/HT7150P/HT7550P/HT7144P/HT7150P/HT7530P/HX3242/HT7533P HT7536P HT7544P 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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
欧阳先生15013519998，QQ84988242
