2022年2022年锂电充电管理AX.en .pdf

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1、HX10011 FeaturesPreset 8.4V Charge Voltage with 1% Accuracy Pre-Charging, the Charge Current is adjustable Ideal for Dual-Cell（8.4V ）Li-Ion Batteries Constant -Current Charging, the Charge Current is adjustable Constant-Voltage Charging Constant-Current/Constant-Voltage Charging with Temperature Mon

2、itoring Automatic Recharge Double LEDs Charge Status Indication Available in SOP-8L Package ApplicationsCharger for Li-Ion Coin Cell Batteries Portable MP3 Players, Wireless Headsets Bluetooth Applications Multifunction Wristwatches DescriptionThe AX6017 is a complete constant-current/ constant volt

3、age linear charger for cell lithium-ion batteries. Its package and low external component count make the AX6017 ideally suited for portable applications. The charge current can be programmed externally with a single resistor. AX6017 determines the charge mode by detecting the battery voltage: Pre-ch

4、arge, constant current charging, constant voltage charging. The charge current of pre-charging and constant current charging is adjustable. The AX6017 is monitored by temperature monitor during the constant-current and constant-voltage charging. There are two LEDs indicate the charge mode. The AX601

5、7 charger converters are available in the SOP-8L packages (or upon request). High Accuracy Linear Li-Lon Battery ChargerAX6017名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页，共 6 页 - - - - - - - - - 2Typical ApplicationPin AssignmentSOP-8L PIN NUMBER SOP-8L PIN NAM

6、E DESCRIPTION 1 CHRG1 Open-Drain Charge Status Output 2 TS Temperature Sense 3 GND Ground 4 VOUT Charge Current Output 5 PDRI Charge Current Monitor and Shutdown Pin 6 CS Charge Current Program 7 CHRG2 Open-Drain Charge Status Output 8 VINPositive Input Supply Voltage. AX6017名师资料总结 - - -精品资料欢迎下载 - -

7、 - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 2 页，共 6 页 - - - - - - - - - 3Typical Charge ProfileAbsolute Maximum Ratings Input Supply Voltage (VIN) . . 0.3V to 18V TS 、 CHRG1 、 CHRG2 、 PDRI 、 CS . . 0.3V to VIN + 0.3V Maximum Junction Temperature . 125Operating Ambient Temperature Range.

8、40 to 85Storage Temperature Range . 65 to 125 Lead Temperature (Soldering, 10 sec). 300AX6017名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页，共 6 页 - - - - - - - - - 4Electrical CharacteristicsOperating Conditions: TA=25.SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT

9、S IVINInput Supply Current 0.15 0.7 1.1 mA ISLEEPVIN Sleep Current VIN=7V VOUT=8V 7.8 A IIV(VOUT)Input bias current on VOUT pin VOUT=8.4V 10 65 A Battery Voltage Regulation Constant-current Charge VO(REG)Output voltage 8.317 8.4 8.484 V V（CS）Current regulation threshold Voltage at pin CS , relative

10、to VIN 180 200 220 mV Precharge Comparator V(min)Precharge threshold 5.6 6 6.2 V Precharge Current Regulation Voltage at pin CS, relative to VIN, RSET =1? .18 mA I(PRECHG)Precharge current regulation Voltage at pin CS, relative to VIN, RSET =1? .，VIN=9V10 35 mA VRCH comparator（Battery Recharge Thres

11、hold）V（RCH）Recharge threshold VO(REG) -400mV V STAT Pin VOL(STAT)Output （low ）voltage IOL =10mA 1.5 V VOH(STAT)Output （high ）voltage IOH =5mA VIN-2 V AX6017名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 4 页，共 6 页 - - - - - - - - - 5Application InformationPIN ASSIGNME

12、NT CHRG1 (Pin 1): Charge Status Indication. When the battery is charging, the CHRG1 pin is pulled low. When the charge cycle is completed or reverse battery lockout / No AC is detected, CHRG is forced high impedance.The battery is not working properly or when the temperature exceeds the set range, o

13、utput 50% duty cycle of 2Hz pulse, the PIN is available through 330 ohm resistors and indicates that the light-emitting diode connected. TS (Pin 2): Temperature Sense. GND (Pin 3): Ground. VOUT (Pin 4):Charge Current Output. It should be bypassed with at least a 10uF capacitor. It provides charge cu

14、rrent to the battery and regulates the final float voltage to 8.4V. PDRI (Pin 5): Driving side. Connect to the grid of the PMOS. CS (Pin 6): Charge Current Program, Charge Current Monitor and Shutdown Pin. The charge current is programmed by connecting a resistor, RISET. CHRG2 (Pin 7): End-of-Charge

15、 Status Indication. When the battery is charging, the CHRG2 pin is forced high impedance. When the charge cycle is completed, CHRG2 is pulled GND. VIN (Pin 8):Positive Input Supply Voltage. It Provides power to the charger VIN and should be bypassed with a 10uF capacitor. AX6017名师资料总结 - - -精品资料欢迎下载

16、- - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 5 页，共 6 页 - - - - - - - - - 6Packaging InformationSOP-8 Package Outline Dimension Dimensions In Millimeters Dimensions In Inches Symbol Min Max Min Max A 1.350 1.750 0.053 0.069 A1 0.100 0.250 0.004 0.010 A2 1.350 1.550 0.053 0.061 b 0.330 0.510 0.013 0.020 c 0.170 0.250 0.006 0.010 D 4.700 5.100 0.185 0.200 E 3.800 4.000 0.150 0.157 E1 5.800 6.200 0.228 0.244 e 1.270(BSC) 0.050(BSC) L 0.400 1.270 0.016 0.050 0808AX6017名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 6 页，共 6 页 - - - - - - - - -