UNISONIC TECHNOLOGIES CO., LTD UCM102 Preliminary CMOS IC HIGH-SIDE CURRENT MONITOR DESCRIPTION The UTC UCM102 is a high-side current sense monitor. It uses UTC’s advanced technology to provide customers with a minimum operating current, high accuracy and high side voltage, etc. The UTC UCM102 is suitable for portable battery equipment. FEATURES * Low operating current * High side voltage (2.5~20V) * High accuracy (typ=1%) ORDERING INFORMATION Ordering Number Lead Free UCM102L-AE2-R UCM102L-AE2-R Halogen Free UCM102G-AE2-R Package Packing SOT-23-3 Tape Reel (1)Packing Type (1) R: Tape Reel (2)Package Type (2) AE2: SOT-23-3 (3)Lead Free (3) L: Lead Free, G: Halogen Free MARKING www.unisonic.com.tw Copyright © 2013 Unisonic Technologies Co., Ltd 1 of 4 QW-R502-934.a UCM102 Preliminary PIN CONFIGURATION PIN DESCRIPTION PIN NO. 1 2 3 PIN NAME VSENSEVSENSE+ IOUT CMOS IC DESCRIPTION Connection to load/battery Supply voltage Output current, proportional to VIN-VLOAD BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 4 QW-R502-934.a UCM102 Preliminary CMOS IC ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS UNIT Voltage on any Pin (Relative to IOUT) -0.6~20 V Continuous Output Current IOUT 25 mA Continuous Sense Voltage (Note 2) VSENSE -0.5~+5 V Power Dissipation (TA=25°C) Derate to Zero at 125°C PD 450 mW Operating Temperature TA -40~85 °C Storage Temperature TSTG -55~125 °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. ELECTRICAL CHARACTERISTICS (Test Conditions TA=25°C, VIN=5V, ROUT=100Ω.) PARAMETER VCC Range Output Current SYMBOL VIN IOUT (Note 1) TEST CONDITIONS VSENSE=0V VSENSE=10mV VSENSE=100mV VSENSE=200mV VSENSE=1V Sense Voltage VSENSE- input current Accuracy Transconductance, IOUT/VSENSE VSENSE (Note 2) ISENSEAcc RSENSE=0.1Ω, VSENSE=200mV Gm VSENSE(DC)=10mV, Pin=-40dBm (Note 3) Bandwidth BW VSENSE(DC)=100mV, Pin= -20dBm (Note 3) Notes: 1. Includes input offset voltage contribution 2. VSENSE is defined as the differential voltage between VSENSE+ and VSENSE-. VSENSE=VSENSE+ - VSENSE= VIN - VLOAD = ILOAD x RSENSE 3. -20dBm=63mVp-p into 50Ω UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 2.5 1 90 0.975 1.95 9.6 0 -2.5 TYP MAX UNIT 20 V 4 15 µA 104 120 µA 1.002 1.025 mA 2.0 2.05 mA 9.98 10.2 mA 2500 mV 100 nA 2.5 % 10000 µA/V 300 kHz 2 MHz 3 of 4 QW-R502-934.a UCM102 Preliminary CMOS IC TYPICAL APPLICATION CIRCUIT RSENSE VIN 2 VSENSE+ To Load 3 VSENSE- UTC UCM102 IOUT 1 VOUT = RLOAD VOUT VSENSE 100×ROUT ROUT 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-R502-934.a