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bq27421YZFT-G1A Datasheet(PDF) 5 Page - Texas Instruments |
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bq27421YZFT-G1A Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 20 page  bq27421-G1 www.ti.com SLUSB85 – MAY 2013 DIGITAL INPUT AND OUTPUT DC CHARACTERISTICS TA = –40°C to 85°C, typical values at TA = 30°C and VREGIN = 3.6 V (unless otherwise noted)(Force Note1) (1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIH(OD) Input voltage, high (2) External pullup resistor to VPU VPU * 0.7 V VIH(PP) Input voltage, high (3) 1.4 V VIL Input voltage, low (2) (3) 0.6 V VOL Output voltage, low (2) 0.6 V Output source current, high (2) IOH 0.5 mA (3) IOL(OD) Output sink current, low (2) -3 mA CIN (1) Input capacitance (2) (3) 5 pF Ilkg Input leakage current (I/O pins) 1 μA (2) (3) (1) Specified by design. Not production tested. (2) Open Drain pins: (SCL, SDA, GPOUT ) (3) Push Pull pin: (BIN ) LDO REGULATOR, WAKE-UP AND AUTO-SHUTDOWN DC CHARACTERISTICS TA = –40°C to 85°C, typical values at TA = 30°C and VREGIN = 3.6 V (unless otherwise noted)(Force Note1) (1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VBAT BAT pin regulator input 2.45 4.5 V VDD Regulator output voltage 1.8 V UVLOIT+ VBAT Under Voltage Lock Out 2.0 V LDO Wake-Up Rising Threshold(2) UVLOIT- VBAT Under Voltage Lock Out 1.95 V LDO Auto-Shutdown Falling Threshold(2) VWU+ (1) GPOUT (input) LDO Wake-Up LDO Wake-up from SHUTDOWN 1.2 V rising edge threshold (2) mode (1) Specified by design. Not production tested. (2) If the device is commanded to SHUTDOWN via I2C with VBAT > UVLOIT+ , a wake-up rising edge trigger is required on GPOUT . Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: bq27421-G1 |
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