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TPS65012 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS65012 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 51 page www.ti.com RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS TPS65012 SLVS504A – MARCH 2004 – REVISED JANUARY 2005 MIN NOM MAX UNIT V(AC) Supply voltage from ac adapter 4.5 5.5 V V(USB) Supply voltage from USB 4.4 5.25 V VI(MAIN),VI(CORE),VCC Input voltage range step-down converters 2.5 6.0 V Output voltage range for main step-down VO(MAIN) 2.5 3.3 V convertor VI(LDO1), VI(LDO2) Input voltage range for LDOs 1.8 6.5 V TA Operating ambient temperature range -40 85 °C TJ Operating junction temperature range -40 125 °C V I(MAIN) = VI(CORE) = VCC = VI(LDO1) = VI(LDO2) = 3.6 V, TA = -40°C to 85°C, typical values are at TA = 25°C battery charger specifications are valid in the range 0 °C < T A < 85°C unless otherwise noted PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Control Signals: LOW_PWR, SCLK, SDAT (Input) VIH High level input voltage IIH = 20 µA (1) 2 VCC V VIL Low level input voltage IIL = 10 µA 0 0.8 V IIB Input bias current 0.01 1.0 µA Control Signals: PB_ONOFF, HOT_RESET, BATT_COVER VIH High level input voltage IIH = 20 µA(1) 0.8 VCC 6 V VIL Low level input voltage IIL = 10 µA 0 0.4 V R(pb_onoff) Pulldown resistor at PB_ONOFF 1000 k Ω R(hot_reset) Pullup resistor at HOT_RESET, 1000 k Ω connected to VCC R(batt_cover) Pulldown resistor at BATT_COVER 2000 k Ω t(glitch) De-glitch time at all 3 pins 38 56 77 ms Delay after t(glitch) (PWRFAIL goes low) t(batt_cover) before supplies are disabled when 1.68 2.4 3.2 ms BATT_COVER goes low. CONTROL SIGNALS: MPU_RESET, PWRFAIL, RESPWRON, INT, SDAT (output) VOH High level output voltage 6 V VOL Low level output voltage IIL = 10 mA 0 0.3 V td(mpu_nreset) Duration of low pulse at MPU_RESET 100 µs td(nrespwron) Duration of low pulse at RESPWRON CHGCONFIG<7> = 0 (Default) 800 1000 1200 ms after VLDO1 is in regulation CHGCONFIG<7> = 1 49 69 89 Time between UVLO going active td(uvlo) (PWRFAIL going low) and supplies being 1.68 2.4 3.2 ms disabled Time between chip over-temperature td(overtemp) condition being recognized (PWRFAIL 1.68 2.4 3.2 ms going low) and supplies being disabled SUPPLY PIN: VCC VI = 3.6 V, current into Main + Core + I(Q) Operating quiescent current 58 µA VCC VI = 3.6 V, BATT_COVER = GND, IO(SD) Shutdown supply current 15 25 µA Current into Main + Core + VCC VMAIN STEP-DOWN CONVERTER VI Input voltage range 2.5 6.0 V IO Maximum output current 1000 mA IO(SD) Shutdown supply current BATT_COVER = GND 0.1 1 µA rDS(on) P-channel MOSFET on-resistance VI(MAIN) = VGS = 3.6 V 110 210 m Ω Ilkg(p) P-channel leakage current V(DS) = 6.0 V 1 µA (1) If the input voltage is higher than VCC, an additional input current, limited by an internal 10-kΩ resister, flows. 3 |
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