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BQ24092DGQR Datasheet(PDF) 11 Page - Texas Instruments |
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BQ24092DGQR Datasheet(HTML) 11 Page - Texas Instruments |
11 / 34 page Viset Vchg V_0.1 _OUT W Vout BatteryDeclared Absent t-time-20ms/div 100mV/div 1V/div 1V/div 5V/div Viset Vchg Vout V_0.1 _OUT W Battery Threshold Reached t-time-500ms/div 1V/div 5V/div 1V/div 100mV/div Viset Vchg Vout V_0.1 _OUT W I ClampedCurrent OUT I ShortDetected andLatchedOff SET t-time-200 s/div m 1V/div 2V/div 500mV/div 100mV/div Vin Viset Vchg V_0.1 _OUT W t-time-1ms/div 2V/div 2V/div 20mV/div 500mV/div Vin Viset Vchg V_0.1 _OUT W ShortDetectedin100mA modeandLatchedOff t-time-5ms/div 2V/div 2V/div 500mV/div 20mV/div bq24090, bq24091 bq24092, bq24093 www.ti.com SLUS968B – JANUARY 2010 – REVISED JUNE 2010 TYPICAL OPERATIONAL CHARACTERISTICS (continued) SETUP: bq2409x typical applications schematic; VIN = 5V, VBAT = 3.6V (unless otherwise indicated) Figure 7. Battery Removal with fixed TS = 0.5V PROTECTION CIRCUITS WAVEFORMS CH4: Iout (1A/Div) Battery voltage swept from 0V to 4.25V to 3.9V. CH4: Iout (1A/Div) Figure 8. Battery Charge Profile Figure 9. ISET Shorted During Normal Operation CH4: Iout (0.2A/Div) CH4: Iout (0.2A/Div) Figure 10. ISET Shorted Prior to USB Power-up Figure 11. DPM – Adaptor Current Limits – Vin Regulated The IC temperature rises to 125°C and enters thermal regulation. Charge current is reduced to regulate the IC at 125°C. VIN is reduced, the IC temperature drops, the charge current returns to the programmed value. Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Link(s): bq24090 bq24091 bq24092 bq24093 |
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