JAJSHF0B February 2019 – November 2019 BQ25887
PRODUCTION DATA.
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|---|
QUIESCENT CURRENTS | ||||||
IBAT | Battery discharge current (BAT) | VBAT = 9 V, No VBUS, SCL, SDA = 0 V or 1.8 V, TJ=25C, ADC Disabled | 12 | 14 | µA | |
VBAT = 9 V, No VBUS, SCL, SDA = 0 V or 1.8 V, TJ < 85C, ADC Disabled | 12 | 20 | µA | |||
IVBUS_HIZ | Input supply current (VBUS) in HIZ | VBUS = 5 V, High-Z Mode, no battery, ADC Disabled, 25℃ | 30 | 38 | µA | |
VBUS = 5 V, High-Z Mode, no battery, ADC Disabled, <85℃ | 30 | 48 | µA | |||
IVBUS | Input supply current (VBUS) | VBUS = 5 V, VBAT = 7.6 V, converter not switching | 1.5 | 3 | mA | |
VBUS = 5 V, VBAT = 7.6 V, converter switching | 3 | mA | ||||
VBUS/VBAT POWER UP | ||||||
VVBUS_OP | VBUS operating range | 3.9 | 6.2 | V | ||
VVBUS_UVLO_RISING | VBUS rising for active I2C, no battery | VBUS rising | 3.3 | 3.68 | V | |
VVBUS_OV | VBUS over-voltage rising threshold | VBUS rising | 6.2 | 6.6 | V | |
VBUS over-voltage falling threshold | VBUS falling | 5.9 | 6.4 | V | ||
VBAT_UVLO_RISING | Battery for active I2C | VBAT rising | 3.7 | 4 | 4.42 | V |
VPOORSRC_FALLING | Bad adapter detection threshold | VBUS falling below VPOORSRC_FALLING | 3.7 | V | ||
IPOORSRC | Bad adapter detection current source | 15 | mA | |||
BATTERY CHARGER | ||||||
VCELLREG_RANGE | Typical charge voltage regulation range | 3.4 | 4.6 | V | ||
VCELLREG_STEP | Typical charge voltage step | 5 | mV | |||
VCELLREG_ACC | Charge voltage | VREG = 4.20 V, TJ = 0°C to 85°C, | 4.179 | 4.2 | 4.221 | V |
VCELLREG_ACC | Charge voltage | VREG = 4.35 V, TJ = 0°C to 85°C | 4.328 | 4.35 | 4.372 | V |
ICHG_RANGE | Charge current regulation range | 100 | 2200 | mA | ||
ICHG_STEP | Charge current regulation step | 50 | mA | |||
ICHG_ACC | Fast Charge current regulation accuracy | ICHG = 1000 mA, VBAT = 6.2 V or 7.6 V, TJ = 0°C to 85°C | -7.5 | 7.5 | % | |
ICHG_ACC | Fast Charge current regulation accuracy | ICHG = 500mA, VBAT = 6.2 V or 7.6 V, TJ = 0°C to 85°C | -15 | 15 | % | |
ICHG_ACC | Fast Charge current regulation accuracy | ICHG = 250 mA, VBAT = 6.2 V or 7.6 V, TJ = 0°C to 85°C | -25 | 25 | % | |
IPRECHG_RANGE | Precharge current range | 50 | 800 | mA | ||
IPRECHG_STEP | Typical precharge current step | 50 | mA | |||
IPRECHG_ACC | Precharge current accuracy | VBAT = 5.2 V, IPRECHG = 200 mA, TJ = 25°C | 170 | 237 | mA | |
VBAT = 5.2 V, IPRECHG = 200 mA, TJ = 0°C to 85°C | 150 | 245 | mA | |||
ITERM_RANGE | Termination current range | 50 | 800 | mA | ||
ITERM_STEP | Typical termination current step | 50 | mA | |||
ITERM_ACC | Termination current accuracy | ICHG = 1.5A, ITERM = 150 mA, TJ = 25°C | 143 | 157 | mA | |
ICHG = 1.5A, ITERM = 150 mA, TJ = 0°C to 85°C | 120 | 180 | mA | |||
ICHG = 1.5A, ITERM = 50 mA, TJ = 25°C | 45 | 60 | mA | |||
ICHG = 1.5A, ITERM = 50 mA, TJ = 0°C to 85°C | 22 | 75 | mA | |||
VCELL_SHORT_RISING | Short Battery Voltage rising threshold
to start pre-charging |
VCELL rising | 2.05 | 2.2 | 2.35 | V |
VCELL_SHORT_FALLING | Short Battery Voltage falling
threshold to stop pre-charging |
VCELL falling | 1.85 | 2 | 2.15 | V |
IBAT_SHORT | Low Battery Voltage trickle charging current | VTOPCELL<2.2V, VBOTCELL<VREG-VRCHG; Or VBOTCELL<2.2V, VTOPCELL<VREG-VRCHG | 100 | mA | ||
VCELL_LOWV_RISING | VCELL LOWV Rising threshold to start fast-charging | VCELL rising, VBATLOW = 2.8 V | 2.65 | 2.8 | 2.95 | V |
VCELL rising, VBATLOWV = 3.0 V | 2.85 | 3 | 3.15 | V | ||
VCELL_LOWV_FALLING | VCELL LOWV falling threshold to start fast-charging | VCELL falling, VBATLOW = 2.8 V | 2.45 | 2.6 | 2.75 | V |
VCELL falling, VBATLOWV = 3.0 V | 2.65 | 2.8 | 2.95 | V | ||
VCELL_RECHG | Recharge threshold below VCELLREG | VCELL falling, VCELL_RECHG[1:0] = 01 | 100 | mV | ||
RON_QHS (Q2) | High-side switching MOSFET on-resistance between SW and SNS (Q2) | TJ = 25°C | 32 | 35 | mΩ | |
TJ = – 40°C to 125°C | 32 | 47 | mΩ | |||
RON_QLS (Q3) | Low-side switching MOSFET on-resistance between SW and GND (Q3) | TJ = 25°C | 42 | 46 | mΩ | |
TJ = – 40°C to 125°C | 42 | 63 | mΩ | |||
IBAT_DISCHG | BAT Discharge current source | VBAT = 8V, EN_BAT_DISCHG = 1 | 8 | 11.5 | 16 | mA |
INPUT VOLTAGE / CURRENT REGULATION | ||||||
VINDPM_RANGE | Input voltage regulation range | 3.9 | 5.5 | V | ||
VINDPM_STEP | Input voltage regulation step | 100 | mV | |||
VINDPM | Input voltage limit | VINDPM = 3.9 V | 3.783 | 3.9 | 4.017 | V |
VINDPM = 4.4 V | 4.268 | 4.4 | 4.532 | V | ||
IINDPM_RANGE | Input current regulation range | 500 | 3300 | mA | ||
IINDPM_STEP | Input current regulation step | 100 | mA | |||
IINDPM_ACC | Input current regulation limit | IINDPM = 500 mA | 438 | 469 | 500 | mA |
IINDPM = 900 mA | 765 | 832 | 900 | mA | ||
IINDPM = 2500 mA | 2125 | 2312 | 2500 | mA | ||
IINDPM = 3000 mA | 2550 | 2775 | 3000 | mA | ||
KILIM | IINMAX = KILIM/RILIM | Input Current regulation by ILIM pin | 1110 | A x Ω | ||
IINDPM | Input current regulation limit, IINMAX = KILIM/RILIM | Input Current regulation by ILIM pin = 0.5A | 457 | 505 | 553 | mA |
Input Current regulation by ILIM pin = 0.9A | 839 | 909 | 980 | mA | ||
Input Current regulation by ILIM pin = 1.5A | 1413 | 1518 | 1624 | mA | ||
RON_QBLK (Q1) | Blocking MOSFET on-resistance between VBUS and PMID (QBLK) | TJ = 25°C | 33 | 37 | mΩ | |
TJ = – 40°C to 125°C | 33 | 51 | mΩ | |||
THERMAL REGULATION AND THERMAL SHUTDOWN | ||||||
TREG | Junction temperature regulation accuracy | TREG = 120°C | 120 | °C | ||
TSHUT_RISING | Thermal Shutdown Rising threshold | Temperature Increasing | 150 | °C | ||
Thermal Shutdown Falling threshold | Temperature Decreasing | 120 | °C | |||
JEITA THERMISTOR COMPARATOR (BOOST MODE) | ||||||
VT1 | TS pin voltage rising. T1 (0°C) threshold, Charge suspended below this temperature. | As Percentage to REGN | 72.75 | 73.25 | 73.75 | % |
VT1_HYS | TS pin voltage falling. Charge re-enabled to ICHG/2 and VREG above this temperature | As Percentage to REGN | 1.3 | % | ||
VT2 | TS pin voltage rising. T2 (10°C) threshold, charge set to ICHG/2 and VREG below this temperature | As Percentage to REGN | 67.75 | 68.25 | 68.75 | % |
VT2_HYS | TS pin voltage falling. Charge set to ICHG and VREG above this temperature | As Percentage to REGN | 1.2 | % | ||
VT3 | TS pin voltage falling. T3 (45°C) threshold, charge set to ICHG and 8.1 V above this temperature. | As Percentage to REGN | 44.25 | 44.75 | 45.25 | % |
VT3_HYS | TS pin voltage rising. Charge set to ICHG and VREG below this temperature | As Percentage to REGN | 1 | % | ||
VT5 | TS pin voltage falling. T5 (60°C) threshold, charge suspended above this temperature. | As Percentage to REGN | 33.875 | 34.375 | 34.875 | % |
VT5_HYS | TS pin voltage rising. Charge set to ICHG and 8.1 V below this temperature | As Percentage to REGN | 1.35 | % | ||
BOOST MODE CONVERTER | ||||||
FSW | PWM switching frequency | Oscillator frequency | 1.35 | 1.5 | 1.65 | MHz |
CELL BALANCING | ||||||
ICB_MAX | Maximum recommended cell balancing current | VCELL = 4.2V, RCBSET = 9.5Ω, RDSON_QCBX = 1Ω | 400 | mA | ||
RDSON_QCBH | MOSFET on resistance between BAT and MID | Cell balance enabled (REG0x2A[0] = 1); VCELL_HS > 3.7 V, VCELL_HS > VCELL_LS, VBAT - VMID - VMID > 80 mV, ICB ≤ 400 mA | 1 | 1.2 | Ω | |
RDSON_QCBL | MOSFET on resistance between MID and GND | Cell balance enabled (REG0x2A[0] = 1); VCELL_LS > 3.7 V, VCELL_LS > VCELL_HS, VMID - (VBAT - VMID) > 80 mV, ICB ≤ 400 mA | 1 | 1.2 | Ω | |
VCBEN_RISING | Cell balance function qualification threshold | Cell balance enabled rising threshold | 3.65 | 3.7 | 3.75 | V |
VCBEN_HYS | Cell balance function qualification hysteresis | Cell balance enabled falling hysteresis | 200 | mV | ||
VQUAL_TH_RANGE | Cell balance pre-qualification mode to qualification mode threshold range | Cell balance enabled (REG0X2A[0]=1); VCELL_LS or VCELL_HS>3.7V, increase the voltage delta between the two cells | 40 | 180 | mV | |
VQUAL_TH_STEP | Cell balance pre-qualification mode to qualification mode threshold step size | Cell balance enabled (REG0X2A[0]=1); VCELL_LS or VCELL_HS>3.7V, increase the voltage delta between the two cells | 10 | mV | ||
VQUAL_TH | Cell balance pre-qualification mode to qualification mode threshold. | Cell balance enabled (REG0X2A[0]=1); VCELL_LS or VCELL_HS>3.7V, increase the voltage delta between the two cells | 80 | mV | ||
VDIFF_START_RANGE | Balance discharge start cell voltage difference threshold range | Cell balance enabled (REG0x2A[0] = 1); Difference between the two cells to turn on cell balancing MOSFET | 40 | 190 | mV | |
VDIFF_START_STEP | Balance discharge start cell voltage difference threshold step size | Cell balance enabled (REG0x2A[0] = 1); Difference between the two cells to turn on cell balancing MOSFET | 10 | mV | ||
VDIFF_START | Balance discharge start cell voltage difference threshold | Cell balance enabled (REG0x2A[0] = 1); Difference between the two cells to turn on cell balancing MOSFET set to 120mV (REG0x29[3:0] = 1000) | 120 | mV | ||
VDIFF_START | Balance discharge start cell voltage difference threshold | Cell balance enabled (REG0x2A[0] = 1); Difference between the two cells to turn on cell balancing MOSFET set to 80mV (REG0x29[3:0] = 0100) | 80 | mV | ||
VDIFF_END_RANGE | Balance discharge stop cell voltage difference threshold range | Cell balance enabled (REG0x2A[0] = 1); Difference between the two cells to turn off cell balancing MOSFET | 30 | 100 | mV | |
VDIFF_END_STEP | Balance discharge stop cell voltage difference threshold step size | Cell balance enabled (REG0x2A[0] = 1); Difference between the two cells to turn off cell balancing MOSFET | 10 | mV | ||
VDIFF_END | Balance discharge stop cell voltage difference threshold | Cell balance enabled (REG0x2A[0] = 1); Difference between the two cells to turn off cell balancing MOSFET set to (REG0x29[3:0] = 1000, REG0x28[7:5]=010) | 70 | mV | ||
VDIFF_END | Balance discharge stop cell voltage difference threshold | Cell balance enabled (REG0x28[7] = 1); Difference between the two cells to turn off cell balancing MOSFET set to 45mV (REG0x29[3:0] = 0100, REG0x28[7:5]=001) | 40 | mV | ||
VCELL_OVP_RISING | Cell over voltage rising threshold | VCELL rising, as percentage of VCELLREG | 102.5 | 104 | 105 | % |
VCELL_OVP_FALLING | Cell over voltage falling threshold | VCELL rising, as percentage of VCELLREG | 100.8 | 102 | 103.3 | % |
IQCBX_OC | Cell Balance MOSFET over-current protection | ICB > 500mA | 400 | 500 | 600 | mA |
IMID_BIAS | MID pin bias current | Voltage difference between the two battery cells ≤ 400mV | 15 | µA | ||
REGN LDO | ||||||
VREGN | REGN LDO output voltage | VVBUS = 5 V, IREGN = 20 mA | 4.7 | 4.8 | 5.15 | V |
IREGN | REGN LDO current limit | VVBUS = 5 V, VREGN = 3.8 V | 50 | mA | ||
Analog-to-Digital Converter (ADC) | ||||||
tADC_CONV | Conversion time, each measurement | ADC_SAMPLE[1:0] = 11 | 24 | ms | ||
ADC_SAMPLE[1:0] = 10 | 12 | ms | ||||
ADC_SAMPLE[1:0] = 01 | 6 | ms | ||||
ADC_SAMPLE[1:0] = 00 | 3 | ms | ||||
ADCRES | Effective resolution | ADC_SAMPLE[1:0] = 11 | 14 | 15 | bits | |
ADC_SAMPLE[1:0] = 10 | 13 | 14 | bits | |||
ADC_SAMPLE[1:0] = 01 | 12 | 13 | bits | |||
ADC_SAMPLE[1:0] = 00 | 10 | 12 | bits | |||
ADC MEASUREMENT RANGES AND LSB | ||||||
IBUS_ADC_RANGE | ADC BUS current range | 0 | 4 | A | ||
IBUS_ADC_LSB | ADC BUS current LSB | 1 | mA | |||
IBAT_ADC_RANGE | ADC BAT current range | 0 | 4 | A | ||
IBAT_ADC_LSB | ADC BAT current LSB | 1 | mA | |||
VBUS_ADC_RANGE | ADC BUS voltage range | 0 | 6.5 | V | ||
VBUS_ADC_LSB | ADC BUS voltage LSB | 1 | mV | |||
VBAT_ADC_RANGE | ADC BAT voltage range | 0 | 10 | V | ||
VBAT_ADC_LSB | ADC BAT voltage LSB | 1 | mV | |||
VCELLTOP_ADC_RANGE | ADC MID voltage range | 0 | 5 | V | ||
VCELLTOP_ADC_LSB | ADC MID voltage LSB | 1 | mV | |||
VCELLBOT_ADC_RANGE | ADC MID voltage range | 0 | 5 | V | ||
VCELLBOT_ADC_LSB | ADC MID voltage LSB | 1 | mV | |||
VTS_ADC_RANGE | ADC TS voltage range | 20 | 80 | % | ||
VTS_ADC_LSB | ADC TS voltage LSB | 0.098 | % | |||
VTDIE_ADC_RANGE | ADC Die temperature range | 0 | 150 | °C | ||
VTDIE_ADC_LSB | ADC Die temperature LSB | 0.5 | °C | |||
I2C INTERFACE (SCL, SDA) | ||||||
VIH | Input high threshold level, SDA and SCL | Pull-up rail 1.8 V | 1.3 | V | ||
VIL | Input low threshold level | Pull-up rail 1.8 V | 0.4 | V | ||
VOL | Output low threshold level | Sink current = 5 mA | 0.4 | V | ||
IBIAS | High level leakage current | Pull-up rail 1.8 V | 1 | uA | ||
LOGIC I/O PIN (CD, PSEL) | ||||||
VIH_CD | Input high threshold level, CD | 1.3 | V | |||
VIL_CD | Input low threshold level, CD | 0.4 | V | |||
IIN_BIAS_CD | High level leakage current, CD | Pull-up rail 1.8 V | 2.5 | uA | ||
VIH_PSEL | Input high threshold level, PSEL | 1.3 | V | |||
VIL_PSEL | Input low threshold level, PSEL | 0.4 | V | |||
IIN_BIAS_PSEL | High level leakage current, PSEL | Pull-up rail 1.8 V | 1 | uA | ||
LOGIC O PIN (/INT, /PG, STAT) | ||||||
VOL | Output low threshold level | Sink current = 5 mA | 0.4 | V | ||
IOUT_BIAS | High level leakage current | Pull-up rail 1.8 V | 1 | µA |