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BQ500212A Datasheet(PDF) 4 Page - Texas Instruments |
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BQ500212A Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 28 page  bq500212A SLUSBD6B – JULY 2013 – REVISED NOVEMBER 2013 www.ti.com ELECTRICAL CHARACTERISTICS over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT IV33A V33A = 3.3 V 8 15 IV33D Supply current V33D = 3.3 V 44 55 mA ITOTAL V33D = V33A = 3.3 V 52 60 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 IV33FB Series pass base drive VIN = 12 V; current into V33FB pin 10 mA Beta Series NPN pass device 40 EXTERNALLY SUPPLIED 3.3 V POWER V33D Digital 3.3-V power TA = 25°C 3 3.6 V V33A Analog 3.3-V power TA = 25°C 3 3.6 V33 slew rate between 2.3 V and 2.9 V, V33Slew V33 slew rate 0.25 V/ms V33A = V33D DIGITAL DEMODULATION INPUTS COMM_A+, COMM_A-, COMM_B+, COMM_B- Vbias COMM+ Bias Voltage 1.5 V COMM+, Modulation voltage digital resolution 1 mV COMM- REA Input impedance Ground reference 0.5 1.5 3 M Ω IOFFSET Input offset current 1-k Ω source impedance –5 5 µA ANALOG INPUTS V_SENSE, I_SENSE, T_SENSE, LED_MODE, LOSS_THR, SNOOZE_CAP, PWR_UP VADDR_OPEN Voltage indicating open pin LED_MODE open 2.37 VADDR_SHORT Voltage indicating pin shorted to GND LED_MODE shorted to ground 0.36 V VADC_RANGE Measurement range for voltage monitoring ALL ANALOG INPUTS 0 2.5 INL ADC integral nonlinearity -2.5 2.5 mV RIN Input impedance Ground reference 8 M Ω CIN Input capacitance 10 pF DIGITAL INPUTS/OUTPUTS DGND1 VOL Low-level output voltage IOL = 6 mA , V33D = 3 V + 0.25 V33D VOH High-level output voltage IOH = -6 mA , V33D = 3 V V - 0.6V VIH High-level input voltage V33D = 3V 2.1 3.6 VIL Low-level input voltage V33D = 3.5 V 1.4 IOH(MAX) Output high source current 4 mA IOL(MAX) Output low sink current 4 SYSTEM PERFORMANCE VRESET Voltage where device comes out of reset V33D Pin 2.4 V tRESET Pulse width needed for reset RESET pin 2 µs fSW Switching Frequency 112 205 kHz 4 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Product Folder Links: bq500212A |
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