UNISONIC TECHNOLOGIES CO., LTD UM608 LINEAR INTEGRATED CIRCUIT CONSTANT VOLTAGE AND CONSTANT CURRENT CONTROLLER FOR BATTERY CHARGERS DESCRIPTION The UTC UM608 is a highly integrated solution for a constant voltage/constant current mode SMPS application. The UTC UM608 contains one 2.5V voltage reference, one operational amplifier for voltage control loop, one operational amplifier for current control loop and two operational amplifiers for charge status. It is suitable for battery charger and other battery systems. FEATURES * Constant Voltage and Constant Current Control * Precision Internal Voltage Reference * Few External Components * Easy Compensation * Charge status output for LED * build-in overvoltage protection for battery ORDERING INFORMATION Ordering Number UM608G-R10-R UM608G-SM2-R UM608G-R10-R Package SSOP-10 MSOP-10 (1)Packing Type (1) R: Tape Reel (2)Package Type (2) R10: SSOP-10, SM2: MSOP-10 (3)Green Package (3) G: Halogen Free and Lead Free Packing Tape Reel Tape Reel MARKING www.unisonic.com.tw Copyright © 2015 Unisonic Technologies Co., Ltd 1 of 4 QW-R105-043.E UM608 LINEAR INTEGRATED CIRCUIT PIN CONFIGURATION PIN DESCRIPTION PIN NO. 1 2 3 4 5 6 7 8 9 10 PIN NAME ISET2 VCC OUT2 OUT1 Vref GND OUT VCTRL ISET1 VSENSE DESCRIPTION Input of charge status op Power supply Charge status output Charge status output Reference voltage:2.5V Ground Output pin. Sinking current only Input pin of the voltage control loop Input pin of the current control loop Input pin of the voltage control loop BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 4 QW-R105-043.E UM608 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS UNIT Power Supply Voltage VCC 35 V Junction Temperature TJ 150 °C Operating Temperature TOPR -40~+105 °C Storage Temperature TSTG -65 ~ +150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. THERMAL DATA PARAMETER Junction to Ambient RATINGS 140 UNIT °C/W RATINGS 5 ~ 32 UNIT V RECOMMENDED OPERATING CONDITIONS PARAMETER Voltage Operating SYMBOL θJA SYMBOL VCC ELECTRICAL CHARACTERISTICS (VCC=15V, TA=25°C, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS DEVICE SUPPLY Supply Current ICC VCC=15V VOLTAGE CONTROL LOOP Transconduction Gain (VCTRL) GMV I/(V1-V2) Voltage Control Loop Reference VREF Input Bias Current IIBV CURRENT CONTROL LOOP Transconduction Gain (VSENSE) GMI I/(V1-V2) VREF Reference Voltage VREF At 1mA sinking current OUTPUT OF VOLTAGE AND CURRENT CONTROL LOOP Low Output Voltage at 10mA VOL Sinking Current Max Output Current IOM Output to VCC sink current only OUTPUT OF CHARGE SUTUS High Output Voltage at 10mA VOH Source Current Max Output Current IOM Output to GND source current only UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN TYP MAX UNIT 2 4 mA 1 3.5 1.25 50 mA/mV V nA 1.5 7 mA/mV 2.4 2.5 2.6 200 13 V mV 27 50 mA 13.5 14 V 20 40 mA 3 of 4 QW-R105-043.E UM608 LINEAR INTEGRATED CIRCUIT TYPICAL APPLICATION CIRCUIT UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 4 QW-R105-043.E