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UCD9222WRGZREP Datasheet(PDF) 4 Page - Texas Instruments |
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UCD9222WRGZREP Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 37 page  UCD9222-EP SLVSBY1 – OCTOBER 2013 www.ti.com ELECTRICAL CHARACTERISTICS over operating junction temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN NOM MAX UNIT SUPPLY CURRENT IV33 Total V33 supply current, 54 80 mA V33A = V33DIO = 3.3 V IV33DIO V33DIO = 3.3 V 42 55 mA Supply current IV33A V33A = 3.3 V 8 15 mA IV33DIO V33DIO = 3.3 V storing configuration 52 65 mA parameters in flash memory INTERNAL REGULATOR CONTROLLER INPUTS/OUTPUTS V33 3.3-V linear regulator Emitter of NPN transistor 3.25 3.3 3.6 V V33FB 3.3-V linear regulator feedback 4 4.6 V IV33FB Series pass base drive VIN = 12 V 0.2 0.4 8 mA Beta Series NPN pass device 40 100 EXTERNALLY SUPPLIED 3.3 V POWER V33D, V33DIO1, Digital 3.3-V power TJ = 25°C 3.0 3.6 V V33DIO2 V33A Analog 3.3-V power TJ = 25°C 3.0 3.6 V ERROR AMPLIFIER INPUTS EAPn, EANn VCM Common mode voltage each pin 0 1.8 V VERROR Internal error voltage range AFE_GAIN field of CLA_GAINS = 1X(1) –256 248 mV EAP-EAN Error voltage digital resolution AFE_GAIN field of CLA_Gains = 8X 1 mV REA Input impedance Ground reference, TJ = 25°C 1.5 M Ω IOFFSET Input offset current 1 k Ω source impedance, TJ = 25°C –5 5 µA Vref 10-bit DAC Vref Reference voltage setpoint 0 1.7 V Vrefres Reference voltage resolution 1.56 mV ANALOG INPUTS CS1A, CS2A, VinMon, IinMon, Vtrack, Temp1, Temp2, Addr0, Addr1 VADC_RANGE Measurement range for voltage Inputs: VinMon, IinMon, Vtrack, Temp1, 0 2.6 V monitoring Temp2, CS1A, CS2A Voffset input offset voltage –27 27 mV VOC_THRS Over-current comparator threshold Inputs: CS1A, CS2A 0.032 2 V voltage range(2) VOC_RES Over-current comparator threshold Inputs: CS1A, CS2A 31.25 mV voltage range Tempinternal Internal temperature sense Over range from 0°C to 100°C –15 15 °C accuracy INL ADC integral nonlinearity TJ = -40°C to 115°C –2.5 2.5 mV Ilkg Input leakage current 3 V applied to pin 100 nA RIN Input impedance Ground reference 8 M Ω CIN Current sense input capacitance 10 pF (1) See the UCD92xx PMBus Command Reference for the description of the AFE_GAIN field of CLA_GAINS command. (2) Can be disabled by setting to '0' 4 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Product Folder Links :UCD9222-EP |
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