LP4063B5F

Preliminary Datasheet LP4063 800mA Single Chip Li-Ion and Li-Polymer Charger General Description Features The LP4063 is a complete constant-current/ constant voltage linear charger for single cell lithium-ion battery. Its SOT23-5 package and low external component count make the LP4063 ideally suited for portable applications. No external sense resistor is needed, and no blocking diode is required due to the internal MOSFET architecture. Thermal feedback regulates the charge current to limit the die temperature during high power operation or high ambient temperature. The charge voltage is fixed at 4.2V, and the charge current can be ISET programmed externally with a single resistor. The LP4063 automatically terminates the charge cycle when the charge current drops to 1/10 setting current value after the final float voltage is reached. When the input supply is removed, the LP4063 automatically enters a low current state, dropping the battery drain current to less than < 1µA. Other features include charge current monitor, under voltage lockout, automatic recharge and a status pin .  Input Voltage up to 28V  Input Over Voltage Protection：7V  Short-circuit protection  Programmable Charge Current：300mA to 800mA  < 1µA Battery Reverse Current  Protection of Reverse Connection of Battery  No MOSFET, Sense Resistor or Blocking Diode Required  Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize Charge Rate Without Risk of Overheating  SOT23-5 Package  RoHS Compliant and 100% Lead (Pb)-Free Typical Application Circuit LP4063 VIN 4 VIN BAT CIN 1uF Order Information 10nF ISET CHRG GND Package Type B5: SOT23-5  Portable Media Players/Game  Power Bank  Bluetooth Applications  PDA/MID LP4063-01 Oct.-2018 LED1 2 Marking Information Device Applications 1 RISET 2K F: Pb-Free Charge Voltage Default: 4.2V COV 1uF 1K 5 LP4063 Battery 3 LP4063B5F Marking LP4063 BHYWX Package SOT23-5 Shipping 3K/REEL Marking indication: Y:Production year W:Production week X: Series Number Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 1 of 6 Preliminary Datasheet LP4063 Functional Pin Description Package Type Pin Configurations SOT23-5 CHRG 1 GND 2 BAT 3 5 ISET 4 VIN SOT23-5 TOP VIEW Pin Description No. NAME DESCRIPTION Open-Drain Charge Status Output. When the battery is charging, the CHRG pin is pulled low 1 CHRG by an internal NMOS. When the charge cycle is completed, the pin could be pulled High by an external pull high resistor. 2 GND GND is the connection to system ground. BAT is the connection to the battery. Typically a 10µF Tantalum capacitor is needed for 3 BAT stability when there is no battery attached. When a battery is attached, only a 1uF ceramic capacitor is required. 4 VIN VIN is the input power source. Connect to a wall adapter. Charge Current Program. The charge current is programmed by connecting a 1% 5 LP4063-01 ISET resistor(RISET) to ground. Oct.-2018 Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 2 of 6 Preliminary Datasheet LP4063 Function Block Diagram BAT VIN R1 CHRG Control Logic R2 GND ISET Absolute Maximum Ratings Note 1  Input Voltage to GND ---------------------------------------------------------------------------------------- -0.3V to 28V  BAT Voltage GND ----------------------------------------------------------------------------------------------- - 5V to 7V  Other pin to GND -------------------------------------------------------------------------------------------- -0.3V to 6.5V  Maximum Junction Temperature ---------------------------------------------------------------------------------- 125℃  Maximum Soldering Temperature (at leads, 10 sec) --------------------------------------------------------- 260℃  Operating Junction Temperature Range (TJ) -------------------------------------------------------- -40℃ to 85℃  Storage Temperature ------------------------------------------------------------------------------------ -65℃ to 165℃ Thermal Information  Maximum Power Dissipation ( PD,TA=25°C) --------------------------------------------------------------------- 0.6W  Thermal Resistance (θJA) ---------------------------------------------------------------------------------------- 200℃/W ESD Susceptibility  HBM(Human Body Mode) --------------------------------------------------------------------------------------------- 2KV  MM(Machine Mode) ---------------------------------------------------------------------------------------------------- 200V Note 1. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. LP4063-01 Oct.-2018 Email: marketing@lowpowersemi.com www.lowpowersemi.com Page 3 of 6 Preliminary Datasheet LP4063 Electrical Characteristics (TA=25°C, VIN =5V, unless otherwise noted.) SYMBOL PARAMETER CONDITIONS MIN TYP. MAX UNITS 4.4 5 6.5 V VIN Input Voltage IIN Input Supply Current IBAT=0 VFLOAT Regulated Output (Float) Voltage IBAT=40mA, 4.158 4.2 4.242 V VUV VIN Under Voltage Lockout Threshold From VIN Low to High 3.1 3.3 3.5 V VUV_HYS VIN Under Voltage Lockout Hysteresis VOVP Input Voltage OVP VOVP_HYS OVP Hysteresis IBAT BAT Pin Current ITRIKL Trickle Charge Current VTRIKL Trickle Charge Threshold Voltage VTRHYS 1000 uA 150 mV 7 V 150 mV RISET=2k, Current Mode 500 mA RISET=3.3k, Current Mode 300 mA VIN Rising VBAT=4.2V 1 VIN=float or 0V ±1 1 VBAT