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SWCS049D 数据表(PDF) 17 Page - Texas Instruments |
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SWCS049D 数据表(HTML) 17 Page - Texas Instruments |
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17 / 144 page  17 TPS65911 www.ti.com SWCS049S – JUNE 2010 – REVISED AUGUST 2018 Submit Documentation Feedback Product Folder Links: TPS65911 Specifications Copyright © 2010–2018, Texas Instruments Incorporated 5.8 Electrical Characteristics: Power References and Thresholds Over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Output reference voltage (VREF pin) Device in active or low- power mode –1% 0.85 1% V Main battery charged threshold, VMBCH (programmable) Measured on VCCS pin Triggering monitored through NRESPRWON VMBCH_SEL = 11000 to 11111 3.5 V VMBCH_SEL = 10111 3.45 ... ... VMBCH_SEL = 01110 –2% 3 2% ... ... VMBCH_SEL = 00101 2.55 VMBCH_SEL = 00001 to 00100 2.5 VMBCH_SEL = 00000 Bypassed Main battery charged hysteresis threshold, VMBDCH Measured on VCCS pin VMBCH – 100 mV V Main battery discharged threshold, VMBDCH2 (programmable) Measured on VCC7 pin (MTL) Triggering monitored through INT1 VMBDCH2_SEL = 11000 to 11111 3.5 V VMBDCH2_SEL = 10111 3.45 ... ... VMBDCH2_SEL = 01110 –2% 3 2% ... ... VMBDCH2_SEL = 00101 2.55 VMBDCH2_SEL = 00001 to 00100 2.5 VMBDCH2_SEL = 00000 Bypassed Main battery discharged hysteresis threshold, VMBCH2 Measured on VCCS pin VMBDCH2 – 100 mV V Main battery low threshold, VMBLO measured on VCC7 pin (monitored on pin NRESPWRON) 2.5 2.6 2.7 V MB comparator MTL 2.4 2.5 2.6 Main battery high threshold, VMBHI VBACKUP = 0 V, Measured on pin VCC7 (MB comparator) 2.6 2.75 3 V VBACKUP = 3.2 V, Measured on pin VCC7 (trigger monitored though VCCS Idd, UPR comparator) 2.5 2.55 3 Main battery not present threshold, VBNPR Measured on pin VCC7 (Triggering monitored on pin VRTC) 1.9 2.1 2.2 V Ground current (analog references + comparators + backup battery switch) VCCx = VBAT = 3.8 V except VCC6 = 3.6 V Device in OFF state 8 µA Device in ACTIVE or SLEEP state 15 COMP2 consumption when enabled 5 Buffer consumption if COMP1 or COMP2 is active and buffer enabled 8 |
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