FAN7564

www.fairchildsemi.com FAN7563/FAN7564 Lithium-Ion Charger Controller Features • • • • • • Constant Voltage & Constant Current Control Wide Operating Range of 2.5V ~ 16V Low-Side Source Return Current Sensing Externally Adjustable Charging Current Control Charging Current Monitoring Precision LDO Regulator Drive Ouptut (Adj) (Only FAN7564) • Error signals of Output Dropout (LDO) (Only FAN7564) • Current Limit (LDO) ( FAN7564 Only) Description The FAN7563/FAN7564 is designed for Lithium-ion battery charger. This controls charging current and voltage of Lithium - ion battery as constant current and constant voltage control IC and can be used for stand alone charger (FAN7563) and micom interface charger(FAN7564). In addition LDO regulator driving output which is integrated within FAN7564 enables to offer accurate reference voltage to power supply of micro controller, therefore, it features increasing stability and efficiency of charger set as well as minimizing external components of the set. Additionally, FAN7563/FAN7564 provide the protection functions like error flag, short circuit protection(LDO), and charging current control disable. 8-SOP 1 14-SOP 1 Internal Block Diagram 14(8) VCC 13(7) VSEN 12(6) IREF 11(5) MONIT 10 NC 9 ERROR 8 LDODRV UVLO Reference Vref(1.244V) ×5 Reference Bias Internal Bias LDO Drive 8SOP 14SOP 20kΩ OUTPUT 1 ISEN 2 CS 3 GND 4 NC 5 CHA6 FB 7 Rev. 1.0.3 ©2001 Fairchild Semiconductor Corporation FAN7563/FAN7564 Pin Assignments OUTPUT ISEN CS GND 1 8 VCC VSEN IREF MONIT FAN7563 2 3 4 7 6 5 Pin Definitions Pin Number 1 2 3 4 5 6 7 8 Pin Name OUTPUT ISEN CS GND MONIT IREF VSEN VCC Pin Function Descrition Output pin for charging control. An external photocoupler is drived from the output for constant voltage and constant current charging control. Reference input for current amplifier. Charging current sensing input . It is connected to a sense resistor (system ground) Ground Charging current monitoring output. This pin is connected to a micro controller and detects the amplified voltge derived from CS pin. Reference current control input. The Amplifier reference current is controlled according to the resistor which is connected to the pin IREF. Voltage sensing input for constant battery voltage control. It is normally connected to the battery charger output through a resistor divider. Power supply input. The typical operating voltage range is 2.5V to 16V. 2 FAN7563/FAN7564 Pin Assignments (Continued) OUTPUT ISEN CS GND NC CHAFB 1 2 14 13 12 11 10 9 8 VCC VSEN IREF MONIT NC ERROR LDODRV FAN7564 3 4 5 6 7 Pin Definitions (Continued) Pin Number 1 2 3 4 6 7 8 Pin Name OUTPUT ISEN CS GND CHAFB LDODRV Pin Function & Descrition Output pin for charging control. An external photocoupler is drived from the output for constant voltage and constant current charging control. Constant current loop reference Input. Charging current sensing input . It is connected to a sense resistor (system ground) Ground Charging current monitoring feedback input. monitoring output voltage can be changed by alternating the value of external resistor which is connected to the pin6, CHALDO output voltage sensing input. It is normally connected to the LDO output through a resistor divider. LDO driving output. This is connected to the base of external TR (KSA539) LDO dropout error flag. This keeps the error signal off until the bias voltage for micro controller reaches the threshold voltage. Error signal becomes ON when the voltage reaches 4.8V. (With hysteresis 60mV) Charging current monitoring output. This pin is connected to a micro controller and detects the amplified voltage derived from CS pin. Reference current control input. The Amplifier reference current is controlled according to the resistor which is connected to the pin IREF. Voltage sensing input for constant Battery voltage control. It is normally connected to the Battery charger output through a resistor divider. Power supply input. The typical operating voltage range is 2.5V to 16V. 9 ERROR 11 12 MONIT IREF 13 14 VSEN VCC 3 FAN7563/FAN7564 Absolute Maximum Ratings (Ta = 25°C) Parameter Supply Voltage Ldodrv Sink Current Output Sink Current Power Dissipation Operating Temperature Range Storage Temperature Range Symbol VCC Idrv IO Pd Topr Tstg Value 2.5 ~ 16 2 20 0.75 -25 ~ 85 -65 ~ 150 Unit V mA mA W °C °C Electrical Characteristic (FAN7563) ( Vcc = 6V, Ta= 25°C,for min/max values Ta is the operating juntion temperature range that applies(NOTE 1), unless otherwise noted.)) Parameter TOTAL DEVICE Input Supply Current REFERENCE SECTION Reference voltage CONTROL PART UVLO Section High Threshold Voltage Low Threshold Voltage Hysteresis 2 VOLTAGE SENSE SECTION Voltage Sense Threshold Voltage Threshold Voltage Temperature Coefficient Input Bias Current Transconductance CURRENT SENSE SECTION Current Sense Threshold voltage Transconductance Current Reference Voltage OUTPUT SECTION Output Sink Current Output Saturation Voltage IO Vsat IO=5mA 5 200 400 mA mV Vvsen ∆Vvsen/ ∆T Ii gm (V) VCC = 6V, Ta = 25°C Full Temperature Range VCC = 6V, Ta=25°C Full Temperature Range Rpin12=25KΩ, Ta=25°C Full Temperature Range 1.23 1.22 -190 1.23 1.22 1.245 1.245 ±0.01 40 1 -200 0 1 1.245 1.245 1.26 1.27 -210 1.26 1.27 V %/°C nA S mV mV/°C S V Vth(H) Vth(L) Vhys2 2.3 2.5 2.4 0.1 2.6 V Vref VCC=6V,Iload=50mA,Ta=25°C 1.23 Full Temperature Range 1.22 1.245 1.245 1.26 1.27 V ICC VCC=6V, Iload=1mA, IO=0A 3 mA Symbol Conditions Min. Typ. Max. Unit Visen gm Viref NOTE: 1. Tested ambient temperature range for the FAN7563: Tlow = -25°C, Thigh=85°C 1 2. S = --R 4 FAN7563/FAN7564 Electrical Characteristic (Continued) (FAN7564) (VCC = 6V, Ta= 25°C,for min/max values Ta is the operating juntion temperature range that applies (NOTE 1), unless otherwise noted.) Parameter TOTAL DEVICE Input Supply Current REFERENCE SECTION Reference voltage REGULATOR PART EXTERNAL OUTPUT SECTION (NOTE2) Line Regulation Load Regulation Current Limit ∆Vr(Ii) ∆Vr(IO) ICL 6V < VCC < 15V 1mA < Iload < 100mA VO=0V VCC=6V, Iload=50mA, Ta=25°C Output Voltage VO Full Temperature Range 1mA < Iload < 100mA Full Temperature Range VCC=6V VCC=(VO-0.5)V, IOL=500µA 110 4.95 4.9 4.88 5.0 5.0 5.0 0.5 0.5 5.05 5.1 5.12 V %max %max mA Vref VCC=6V,Iload=50mA,Ta=25°C 1.23 Full Temperature Range 1.22 1.245 1.245 1.26 1.27 V Symbol ICC Conditions VCC=6V, Iload=1mA, IO=0A Min. Typ. Max. 3 Unit mA INTERNAL DRIVE SECTION LDODRV Sink Current ERROR COMPARATOR SECTION Output Low Voltage High Threshold Voltage Low Threshold Voltage Hysteresis1 CONTROL PART UVLO Section High Threshold Voltage Low Threshold Voltage Hysteresis 2 VOLTAGE SENSE SECTION Voltage Sense Threshold Voltage Threshold Voltage Temperature Coefficient Input Bias Current Transconductance CURRENT SENSE SECTION Current Sense Threshold voltage Transconductance Current Reference Voltage Visen gm Viref VCC = 6V, Ta=25°C Full Temperature Range Rpin12=25KΩ, Ta=25°C Full Temperature Range -190 1.23 1.22 -200 0 1 1.245 1.245 -210 1.26 1.27 mV mV/°C S V Vvsen ∆Vvsen/ ∆T Ii gm (V) VCC = 6V, Ta = 25°C Full Temperature Range 1.23 1.22 1.245 1.245 ±0.01 40 1 1.26 1.27 V %/°C nA S Vth(H) Vth(L) Vhys1 2.3 2.5 2.4 60 2.6 V Idrv VOL Vth Vtl Vhys1 4.64 150 4.8 4.74 0.1 2 400 4.9 mA mV V V mV 5 FAN7563/FAN7564 Electrical Characteristic (Continued) (FAN7564) Parameter OUTPUT SECTION Output Sink Current Output Saturation Voltage IO Vsat IO=5mA 5 200 400 mA mV Symbol Conditions Min. Typ. Max. Unit NOTE: 1. Tested ambient temperature range for the FAN7564: Tlow = -25°C, Thigh=85°C 2. Tested with Circuit 1. Output capacitor, Co is commonly used to provide improved output impedance and rejection of transients. The regulated output voltage is given by : Vo=Vref*(1+Ra/Rb) 1 3. S = --R Circuit 1. 4V I OUTPUT 2.5~16V VCC VSEN 1~2V ISEN FAN7564 CS 0.4 ~0V IREF MONIT 100nF GND CHAFB ERROR LDODRV 100kΩ KSA539 330kΩ 60.45kΩ 20kΩ Ra Vo Co 10uF Rb 6 FAN7563/FAN7564 Typical Applications D2 T1 C4 R2 D1 D6 C11 C2 C1 D3 R5 C7 R13 C8 U2 C10 R7 R1 R8 R16 L2 FAN 7563 KA5H0165RN U@U2 R18 C5 C9 C6 R9 R12 C12 R15 C13 VAC Part List (5.2V / 1.0A) Part Number R1 R2 R3 R4 R5 R7 R8 R9 R12 R13 R15 R16 R18 C1 C2 C3 C4 C5 Value 100kΩ(1W) 240kΩ(1/8W) 240kΩ(1/8W) 24kΩ( 1/8 W) 15Ω 2.7kΩ 100Ω 0.1Ω 27kΩ 0Ω 560Ω 1.8kΩ 2.2kΩ 10uF / 400V 10uF / 400V 7D471 332 / 1kV 10uF / 50V Chip Chip Chip Chip Chip Chip Sensing resistor Chip Chip Chip Chip Chip Remarks Part Number C6 C7 C8 C9 C10 C11 C12 C13 C14 D1 D2 D3 D6 FUSE U1 U2 U4 L1 L2 332 1000uF / 10V 470uF / 10V 223 104 104 472 104 104 UF4007 1N5822 1N4148 0.5A / 600V 1A / 250Vac KA5H0165RN PC817A FAN7563 1mH 100uH Fairchild Opto Coupler Fairchild Coking Coil Schottky Chip Diode Chip B/D Value Remarks 250VAC Y1 Low ESR (105°C) Low ESR (105°C) Chip Cap Chip Cap Chip Cap Chip Cap Chip Cap Chip Cap - 7 FAN7563/FAN7564 Typical Perfomance Characteristics 1.260 210 208 1.255 206 204 202 1.250 Vsen[V] 1.245 Isen[mV] -20 -10 0 10 20 30 40 50 60 70 80 90 200 198 196 194 192 1.240 1.235 1.230 -30 190 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Temperature (°C) Temperature (°C) Figure 1. Voltage Sense Characteristic Figure 2. Current Sense Characteristic 1.2 1.1 1.0 0.9 0.8 0.7 1.5 1.4 1.3 Icc[mA](Vcc=6V) , Icc1[mA](Vcc=16V) 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 UVLO[V] 0.6 0.5 0.4 0.3 0.2 0.1 0.0 2.0 Vcc[V] Temperature (°C) Figure 3. UVLO Characteristic Figure 4. ICC, ICC1 Characteristic 1.2 150 140 1.1 130 1.0 120 Vomax[V] , Vmo[V] Sink Current[mA] -20 -10 0 10 20 30 40 50 60 70 80 90 0.9 110 100 90 80 70 0.8 0.7 0.6 60 0.5 -30 50 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Temperature (°C) Temperature (°C) Figure 5. Vmo, Vmomax Characteristic Figure 6. Max Output Sink Current Characteristic 8 FAN7563/FAN7564 Typical Perfomance Characteristics (Continued) 5.10 5.08 5.06 4 5.04 5.02 5.00 4.98 4.96 1 4.94 4.92 4.90 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 0 4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 3 5 Error[V] Temperature (°C) Vo[V] 2 Vo[V] Figure 7. LDO Output Characteristic Figure 8. Error Flag Characteristic 5.05 5.04 5.03 5.02 5.01 5.05 5.04 5.03 5.02 5.01 Vo[V] 5.00 4.99 4.98 4.97 4.96 4.95 6 8 10 12 14 16 Vo[V] 5.00 4.99 4.98 4.97 4.96 4.95 0 10 20 30 40 50 60 70 80 90 100 Vcc[V] Iload[mA] Figure 9. Line Regulation Characteristic Figure 10. Load Regulation Characteristic 240 230 220 210 6.0 5.5 5.0 4.5 4.0 Current Limit[mA] 200 190 180 170 160 150 140 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Vo , Vfb[V] 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 2 4 6 8 10 12 14 16 Temperature (°C) Vcc[V] Figure 11. Current Limit Characteristic Figure 12. Start-up Characteristic (IO=100mA, with KSA539) 9 FAN7563/FAN7564 Mechanical Dimensions Package Dimensions in millimeters 8-SOP MIN 1.55 ±0.20 0.061 ±0.008 0.1~0.25 0.004~0.001 #1 #8 4.92 ±0.20 0.194 ±0.008 5.13 MAX 0.202 ( 0.56 ) 0.022 #4 #5 6.00 ±0.30 0.236 ±0.012 +0.10 0.15 -0.05 +0.004 0.006 -0.002 1.80 MAX 0.071 MAX0.10 MAX0.004 3.95 ±0.20 0.156 ±0.008 5.72 0.225 0.50 ±0.20 0.020 ±0.008 10 0~ 8° 1.27 0.050 0.41 ±0.10 0.016 ±0.004 FAN7563/FAN7564 Mechanical Dimensions (Continued) Package Dimensions in millimeters 14-SOP MIN 1.55 ±0.10 0.061 ±0.004 0.05 0.002 0.47 ) 0.019 MAX0.10 MAX0.004 1.27 0.050 +0.10 0.406 -0.05 +0.004 0.016 -0.002 ( #1 #14 8.70 MAX 0.343 #7 6.00 ±0.30 0.236 ±0.012 #8 1.80 MAX 0.071 +0.10 0.20 -0.05 +0.004 0.008 -0.002 3.95 ±0.20 0.156 ±0.008 0.60 ±0.20 0.024 ±0.008 5.72 0.225 0~ 8° 8.56 ±0.20 0.337 ±0.008 11 FAN7563/FAN7564 Ordering Information Product Number FAN7563D FAN7564D Package 8-SOP 14-SOP Operating Temperature -25°C to +85°C 12 FAN7563/FAN7564 13 FAN7563/FAN7564 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. www.fairchildsemi.com 5/17/01 0.0m 001 Stock#DSxxxxxxxx  2001 Fairchild Semiconductor Corporation 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.