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BQ25302 Datasheet(PDF) 8 Page - Texas Instruments |
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BQ25302 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 38 page  7.5 Electrical Characteristics (continued) VVBUS_UVLOZ < VVBUS < VVBUS_OVP and VVBUS > VBAT + VSLEEP, TJ = -40°C to +125°C, and TJ = 25°C for typical values (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT RDSON_Q2 High-side switching MOSFET on- resistance between PMID and SW (Q2) VREGN = 5V 50 82 mΩ RDSON_Q3 Low-side switching MOSFET on- resistance between SW and GND (Q3) VREGN = 5V 45 72 mΩ BATTERY CHARGER VBATREG Charge voltage regulation VSET pin floating, TJ = -40°C to +85°C 4.078 4.100 4.118 V VSET pin is grounded, TJ = -40°C to +85°C 4.178 4.200 4.218 V Connect VSET pin to 51kΩ resistor, TJ = -40°C to +85°C 4.328 4.350 4.371 V Connect VSET pin to 10kΩ resistor, TJ = -40°C to +85°C 4.376 4.400 4.418 V ICHG Charge current regulation ICHG set at 1.72A with RICHG=23.2kΩ, VBAT = 3.8V, VBUS = 5V 1.55 1.72 1.89 A ICHG set at 1.0A with RICHG=40.2kΩ, VBAT = 3.8V, VBUS = 5V 0.90 1.00 1.10 A ICHG set at 0.5A with RICHG=78.7kΩ, VBAT = 3.8V, VBUS = 5V 0.40 0.517 0.60 A ITERM Termination current ICHG = 1.72A, 10% of ICHG, RICHG=23.2kΩ, BATREG = 4.2V, VBUS = 5V 138 172 206 mA ITERM Termination current ICHG = 1.0A, 10% of ICHG, RICHG=40.2kΩ, BATREG = 4.2V, VBUS = 5V 70 100 130 mA ITERM Termination current ICHG=500mA, ITERM =63mA RICHG=78.7kΩ, BATREG = 4.2V, VBUS = 5V 33 63 93 mA IPRECHG Precharge current ICHG = 1.72A, 10% of ICHG, R ICHG=23.2kΩ, VBATREG = 4.2V, VBAT = 2.5V, VBUS = 5V 115 172 225 mA ICHG = 1.72A, 10% of ICHG, R ICHG=40.2kΩ, VBATREG = 4.2V, VBAT = 2.5V, VBUS = 5V 50 100 150 mA ICHG = 1.72A, 10% of ICHG, R ICHG=78.7kΩ, VBATREG = 4.2V, VBAT = 2.5V, VBUS = 5V 28 63 98 mA VBAT_SHORT_RISE VBAT short rising threshold Short to precharge 2.05 2.20 2.35 V VBAT_SHORT_FALL VBAT short falling threshold Precharge to battery short 1.85 2.00 2.15 V IBAT_SHORT Battery short current VBAT < VBAT_SHORT_FALL, VBUS = 5V 24 30 36 mA VBAT_LOWV_RISE Rising threshold Precharge to fast charge 2.90 3.00 3.10 V VBAT_LOWV_FALL Falling threshold Fast charge to precharge 2.60 2.70 2.80 V VRECHG_HYS Recharge hysteresis below VBATREG VBAT falling 110 160 216 mV INPUT VOLTAGE / CURRENT REGULATION VINDPM_MIN Minimum input voltage regulation VBAT = 3.5V, measured at PMID pin 4.0 4.07 4.2 V VINDPM Input voltage regulation VBAT = 4V, measured at PMID pin, VINDPM = 1.044*VBAT + 0.125V 4.15 4.28 4.41 V IINDPM_2A_5V Input current regulation VVBUS = 5V 2.1 2.25 2.4 A BATTERY OVER-VOLTAGE PROTECTION VBAT_OVP_RISE Battery overvoltage rising threshold VBAT rising, as percentage of VBATREG 101.9 103.5 105 % BQ25302 SLUSCZ3 – OCTOBER 2020 www.ti.com 8 Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated Product Folder Links: BQ25302 |
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