JAJSGI6C September 2011 – January 2020 BQ24725A
PRODUCTION DATA.
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|---|
OPERATING CONDITIONS | ||||||
VVCC_OP | VCC Input voltage operating range | 4.5 | 24 | V | ||
CHARGE VOLTAGE REGULATION | ||||||
VBAT_REG_RNG | Battery voltage range | 1.024 | 19.2 | V | ||
VBAT_REG_ACC | Charge voltage regulation accuracy | ChargeVoltage() = 0x41A0H | 16.716 | 16.8 | 16.884 | V |
-0.5% | 0.5% | |||||
ChargeVoltage() = 0x3130H | 12.529 | 12.592 | 12.655 | V | ||
–0.5% | 0.5% | |||||
ChargeVoltage() = 0x20D0H | 8.350 | 8.4 | 8.45 | V | ||
–0.6% | 0.6% | |||||
ChargeVoltage() = 0x1060H | 4.163 | 4.192 | 4.221 | V | ||
–0.7% | 0.7% | |||||
CHARGE CURRENT REGULATION | ||||||
VIREG_CHG_RNG | Charge current regulation differential voltage range | VIREG_CHG = VSRP - VSRN | 0 | 81.28 | mV | |
ICHRG_REG_ACC | Charge current regulation accuracy 10mΩ current sensing resistor | ChargeCurrent() = 0x1000H | 3973 | 4096 | 4219 | mA |
–3% | 3% | |||||
ChargeCurrent() = 0x0800H | 1946 | 2048 | 2150 | mA | ||
–5% | 5% | |||||
ChargeCurrent() = 0x0200H | 410 | 512 | 614 | mA | ||
–20% | 20% | |||||
ChargeCurrent() = 0x0100H | 172 | 256 | 340 | mA | ||
–33% | 33% | |||||
ChargeCurrent() = 0x0080H | 64 | 128 | 192 | mA | ||
–50% | 50% | |||||
INPUT CURRENT REGULATION | ||||||
VIREG_DPM_RNG | Input current regulation differential voltage range | VIREG_DPM = VACP – VACN | 0 | 80.64 | mV | |
IDPM_REG_ACC | Input current regulation accuracy 10mΩ current sensing resistor | InputCurrent() = 0x1000H | 3973 | 4096 | 4219 | mA |
–3% | 3% | |||||
InputCurrent() = 0x0800H | 1946 | 2048 | 2150 | mA | ||
–5% | 5% | |||||
InputCurrent() = 0x0400H | 870 | 1024 | 1178 | mA | ||
–15% | 15% | |||||
InputCurrent() = 0x0200H | 384 | 512 | 640 | mA | ||
–25% | 25% | |||||
INPUT CURRENT OR CHARGE CURRENT SENSE AMPLIFIER | ||||||
VACP/N_OP | Input common mode range | Voltage on ACP/ACN | 4.5 | 24 | V | |
VSRP/N_OP | Output common mode range | Voltage on SRP/SRN | 0 | 19.2 | V | |
VIOUT | IOUT output voltage range | 0 | 3.3 | V | ||
IIOUT | IOUT output current | 0 | 1 | mA | ||
AIOUT | Current sense amplifier gain | V(ICOUT)/V(SRP-SRN) or V(ACP-ACN) | 20 | V/V | ||
VIOUT_ACC | Current sense output accuracy | V(SRP-SRN) or V(ACP-ACN) = 40.96mV | –2% | 2% | ||
V(SRP-SRN) or V(ACP-ACN) = 20.48mV | –4% | 4% | ||||
V(SRP-SRN) or V(ACP-ACN) = 10.24mV | –15% | 15% | ||||
V(SRP-SRN) or V(ACP-ACN) = 5.12mV | –20% | 20% | ||||
V(SRP-SRN) or V(ACP-ACN) = 2.56mV | –33% | 33% | ||||
V(SRP-SRN) or V(ACP-ACN) = 1.28mV | –50% | 50% | ||||
CIOUT_MAX | Maximum output load capacitance | For stability with 0 to 1mA load | 100 | pF | ||
REGN REGULATOR | ||||||
VREGN_REG | REGN regulator voltage | VVCC > 6.5V, VACDET > 0.6V (0-45mA load) | 5.5 | 6 | 6.5 | V |
IREGN_LIM | REGN current limit | VREGN = 0V, VVCC > UVLO charge enabled and not in TSHUT | 50 | 75 | mA | |
VREGN = 0V, VVCC > UVLO charge disabled or in TSHUT | 7 | 14 | mA | |||
CREGN | REGN output capacitor required for stability | ILOAD = 100µA to 50mA | 1 | µF | ||
INPUT UNDERVOLTAGE LOCKOUT COMPARATOR (UVLO) | ||||||
UVLO | Under voltage rising threshold | VVCC rising | 3.5 | 3.75 | 4 | V |
Under voltage hysteresis, falling | VVCC falling | 340 | mV | |||
FAST DPM COMPARATOR (FAST_DPM) | ||||||
VFAST_DPM | Fast DPM comparator stop charging rising threshold with respect to input current limit, voltage across input sense resistor rising edge | 103% | 107% | 111% | ||
QUIESCENT CURRENT | ||||||
IBAT_BATFET_OFF | Battery BATFET OFF STATE Current, BATFET off,
ISRP + ISRN + IPHASE + IACP + IACN |
VVBAT = 16.8V, VCC disconnect from battery, BATFET charge pump off, BATFET turns off, TJ = 0 to 85°C | 5 | µA | ||
IBAT_BATFET_ON | Battery BATFET ON STATE Current, BATFET on,
ISRP + ISRN + IPHASE + IVCC + IACP + IACN |
VVBAT = 16.8V, VCC connect from battery, BATFET charge pump on, BATFET turns on, TJ = 0 to 85°C | 25 | µA | ||
ISTANDBY | Standby quiescent current, IVCC + IACP + IACN | VVCC > UVLO, VACDET > 0.6V, charge disabled,
TJ = 0 to 85°C |
0.65 | 0.8 | mA | |
IAC_NOSW | Adapter bias current during charge,
IVCC + IACP + IACN |
VVCC > UVLO, 2.4V < VACDET < 3.15V,
charge enabled, no switching, TJ = 0 to 85°C |
1.5 | 3 | mA | |
IAC_SW | Adapter bias current during charge,
IVCC + IACP + IACN |
VVCC > UVLO, 2.4V < VACDET < 3.15V,
charge enabled, switching, MOSFET Sis412DN |
10 | mA | ||
ACOK COMPARATOR | ||||||
VACOK_RISE | ACOK rising threshold | VVCC > UVLO, VACDET rising | 2.376 | 2.4 | 2.424 | V |
VACOK_FALL_HYS | ACOK falling hysteresis | VVCC> UVLO, VACDET falling | 35 | 55 | 75 | mV |
VACOK_RISE_DEG | ACOK rising deglitch (Specified by design) | VVCC> UVLO, VACDET rising above 2.4V,
First time OR ChargeOption() bit [15] = 0 |
100 | 150 | 200 | ms |
VVCC> UVLO, VACDET rising above 2.4V,
(NOT First time) AND ChargeOption() bit [15] = 1 (Default) |
0.9 | 1.3 | 1.7 | s | ||
VWAKEUP_RISE | WAKEUP detect rising threshold | VVCC> UVLO, VACDET rising | 0.57 | 0.8 | V | |
VWAKEUP_FALL | WAKEUP detect falling threshold | VVCC> UVLO, VACDET falling | 0.3 | 0.51 | V | |
VCC to SRN COMPARATOR (VCC_SRN) | ||||||
VVCC-SRN_FALL | VCC-SRN falling threshold | VVCC falling towards VSRN | 70 | 125 | 200 | mV |
VVCC-SRN _RHYS | VCC-SRN rising hysteresis | VVCC rising above VSRN | 100 | 150 | 200 | mV |
ACN to SRN COMPARATOR (ACN_SRN) | ||||||
VACN-SRN_FALL | ACN to BAT falling threshold | VACN falling towards VSRN | 120 | 200 | 280 | mV |
VACN-SRN_RHYS | ACN to BAT rising hysteresis | VACN rising above VSRN | 40 | 80 | 120 | mV |
HIGH SIDE IFAULT COMPARATOR (IFAULT_HI)(1) | ||||||
VIFAULT_HI_RISE | ACP to PHASE rising threshold | ChargeOption() bit [8] = 1 (Default) | 450 | 750 | 1200 | mV |
ChargeOption() bit [8] = 0 Disable function | ||||||
LOW SIDE IFAULT COMPARATOR (IFAULT_LOW)(1) | ||||||
VIFAULT_LOW_RISE | PHASE to GND rising threshold | ChargeOption() bit [7] = 0 (Default) | 70 | 135 | 220 | mV |
ChargeOption() bit [7] = 1 | 140 | 230 | 340 | |||
INPUT OVER-VOLTAGE COMPARATOR (ACOV) | ||||||
VACOV | ACDET over voltage rising threshold | VACDET rising | 3.05 | 3.15 | 3.25 | V |
VACOV_HYS | ACDET over voltage falling hysteresis | VACDET falling | 50 | 75 | 100 | mV |
INPUT OVER-CURRENT COMPARATOR (ACOC)(1) | ||||||
VACOC | Adapter over current rising threshold with respect to input current limit, voltage across input sense resistor rising edge | ChargeOption() bit [1] = 1 (Default) | 300% | 333% | 366% | |
ChargeOption() bit [1] = 0 Disable function | ||||||
VACOC_min | Min ACOC threshold clamp voltage | ChargeOption() Bit [1] = 1 (333%),
InputCurrent () = 0x0400H (10.24mV) |
40 | 45 | 50 | mV |
VACOC_max | Max ACOC threshold clamp voltage | ChargeOption() Bit [1] = 1 (333%),
InputCurrent () = 0x1F80H (80.64mV) |
135 | 150 | 165 | mV |
tACOC_DEG | ACOC deglitch time (Specified by design) | Voltage across input sense resistor rising to disable charge | 2.3 | 4.2 | 6.6 | ms |
BAT OVER-VOLTAGE COMPARATOR (BAT_OVP) | ||||||
VOVP_RISE | Over voltage rising threshold as percentage of VBAT_REG | VSRN rising | 103% | 104% | 106% | |
VOVP_FALL | Over voltage falling threshold as percentage of VBAT_REG | VSRN falling | 102% | |||
CHARGE OVER-CURRENT COMPARATOR (CHG_OCP) | ||||||
VOCP_RISE | Charge over current rising threshold, measure voltage drop across current sensing resistor | ChargeCurrent()=0x0xxxH | 54 | 60 | 66 | mV |
ChargeCurrent()=0x1000H – 0x17C0H | 80 | 90 | 100 | mV | ||
ChargeCurrent()=0x1800 H– 0x1FC0H | 110 | 120 | 130 | mV | ||
CHARGE UNDER-CURRENT COMPARATOR (CHG_UCP) | ||||||
VUCP_FALL | Charge under-current falling threshold | VSRP falling towards VSRN | 1 | 5 | 9 | mV |
LIGHT LOAD COMPARATOR (LIGHT_LOAD) | ||||||
VLL_FALL | Light load falling threshold | Measure the voltage drop across current sensing resistor | 1.25 | mV | ||
VLL_RISE_HYST | Light load rising hysteresis | 1.25 | mV | |||
BATTERY DEPLETION COMPARATOR (BAT_DEPL) [1] | ||||||
VBATDEPL_FALL | Battery depletion falling threshold, percentage of voltage regulation limit, VSRN falling | ChargeOption() bit [12:11] = 00 | 55.53% | 59.19% | 63.5% | |
ChargeOption() bit [12:11] = 01 | 58.68% | 62.65% | 67.5% | |||
ChargeOption() bit [12:11] = 10 | 62.17% | 66.55% | 71.5% | |||
ChargeOption() bit [12:11] = 11 (Default) | 66.06% | 70.97% | 77% | |||
VBATDEPL_RHYST | Battery depletion rising hysteresis, VSRN rising | ChargeOption() bit [12:11] = 00 | 225 | 305 | 400 | mV |
ChargeOption() bit [12:11] = 01 | 240 | 325 | 430 | mV | ||
ChargeOption() bit [12:11] = 10 | 255 | 345 | 450 | mV | ||
ChargeOption() bit [12:11] = 11 (Default) | 280 | 370 | 490 | mV | ||
tBATDEPL_RDEG | Battery Depletion Rising Deglitch (Specified by design) | Delay to turn off ACFET and turn on BATFET during LEARN cycle | 600 | ms | ||
BATTERY LOWV COMPARATOR (BAT_LOWV) | ||||||
VBATLV_FALL | Battery LOWV falling threshold | VSRN falling | 2.4 | 2.5 | 2.6 | V |
VBATLV_RHYST | Battery LOWV rising hysteresis | VSRN rising | 200 | mV | ||
IBATLV | Battery LOWV charge current limit | 10 mΩ current sensing resistor | 0.5 | A | ||
THERMAL SHUTDOWN COMPARATOR (TSHUT) | ||||||
TSHUT | Thermal shutdown rising temperature | Temperature rising | 155 | °C | ||
TSHUT_HYS | Thermal shutdown hysteresis, falling | Temperature falling | 20 | °C | ||
ILIM COMPARATOR | ||||||
VILIM_FALL | ILIM as CE falling threshold | VILIM falling | 60 | 75 | 90 | mV |
VILIM_RISE | ILIM as CE rising threshold | VILIM rising | 90 | 105 | 120 | mV |
LOGIC INPUT (SDA, SCL) | ||||||
VIN_ LO | Input low threshold | 0.8 | V | |||
VIN_ HI | Input high threshold | 2.1 | V | |||
IIN_ LEAK | Input bias current | V = 7 V | –1 | 1 | μA | |
LOGIC OUTPUT OPEN DRAIN (ACOK, SDA) | ||||||
VOUT_ LO | Output saturation voltage | 5 mA drain current | 500 | mV | ||
IOUT_ LEAK | Leakage current | V = 7 V | –1 | 1 | μA | |
ANALOG INPUT (ACDET, ILIM) | ||||||
IIN_ LEAK | Input bias current | V = 7 V | –1 | 1 | μA | |
PWM OSCILLATOR | ||||||
FSW | PWM switching frequency | ChargeOption () bit [9] = 0 (Default) | 600 | 750 | 900 | kHz |
FSW+ | PWM increase frequency | ChargeOption() bit [10:9] = 11 | 665 | 885 | 1100 | kHz |
FSW– | PWM decrease frequency | ChargeOption() bit [10:9] = 01 | 465 | 615 | 765 | kHz |
BATFET GATE DRIVER (BATDRV) | ||||||
IBATFET | BATDRV charge pump current limit | 40 | 60 | µA | ||
VBATFET | Gate drive voltage on BATFET | VBATDRV - VSRN when VSRN > UVLO | 5.5 | 6.1 | 6.5 | V |
RBATDRV_LOAD | Minimum load resistance between BATDRV and SRN | 500 | kΩ | |||
RBATDRV_OFF | BATDRV turn-off resistance | I = 30 µA | 5 | 6.2 | 7.4 | kΩ |
ACFET GATE DRIVER (ACDRV) | ||||||
IACFET | ACDRV charge pump current limit | 40 | 60 | μA | ||
VACFET | Gate drive voltage on ACFET | VACDRV–VCMSRC when VVCC> UVLO | 5.5 | 6.1 | 6.5 | V |
RACDRV_LOAD | Minimum load resistance between ACDRV and CMSRC | 500 | kΩ | |||
RACDRV_OFF | ACDRV turn-off resistance | I = 30 µA | 5 | 6.2 | 7.4 | kΩ |
VACFET_LOW | ACDRV Turn-Off when Vgs voltage is low (Specified by design) | 5.9 | V | |||
PWM HIGH SIDE DRIVER (HIDRV) | ||||||
RDS_HI_ON | High side driver turn-on resistance | VBTST – VPH = 5.5 V, I = 10 mA | 6 | 10 | Ω | |
RDS_HI_OFF | High side driver turn-off resistance | VBTST – VPH = 5.5 V, I = 10 mA | 0.65 | 1.3 | Ω | |
VBTST_REFRESH | Bootstrap refresh comparator threshold voltage | VBTST – VPH when low side refresh pulse is requested | 3.85 | 4.3 | 4.7 | V |
PWM LOW SIDE DRIVER (LODRV) | ||||||
RDS_LO_ON | Low side driver turn-on resistance | VREGN = 6 V, I = 10 mA | 7.5 | 12 | Ω | |
RDS_LO_OFF | Low side driver turn-off resistance | VREGN = 6 V, I = 10 mA | 0.9 | 1.4 | Ω | |
PWM DRIVER TIMING | ||||||
tLOW_HIGH | Driver dead time from low side to high side | 20 | ns | |||
tHIGH_LOW | Driver dead time from high side to low side | 20 | ns | |||
INTERNAL SOFT START | ||||||
ISTEP | Soft start current step | In CCM mode 10mΩ current sensing resistor | 64 | mA | ||
tSTEP | Soft start current step time | 240 | μs | |||
SMBus TIMING CHARACTERISTICS | ||||||
tR | SCLK/SDATA rise time | 1 | μs | |||
tF | SCLK/SDATA fall time | 300 | ns | |||
tW(H) | SCLK pulse width high | 4 | 50 | μs | ||
tW(L) | SCLK Pulse Width Low | 4.7 | μs | |||
tSU(STA) | Setup time for START condition | 4.7 | μs | |||
tH(STA) | START condition hold time after which first clock pulse is generated | 4 | μs | |||
tSU(DAT) | Data setup time | 250 | ns | |||
tH(DAT) | Data hold time | 300 | ns | |||
tSU(STOP) | Setup time for STOP condition | 4 | µs | |||
t(BUF) | Bus free time between START and STOP condition | 4.7 | μs | |||
FS(CL) | Clock Frequency | 10 | 100 | kHz | ||
HOST COMMUNICATION FAILURE | ||||||
ttimeout | SMBus bus release timeout(2) | 25 | 35 | ms | ||
tBOOT | Deglitch for watchdog reset signal | 10 | ms | |||
tWDI | Watchdog timeout period, ChargeOption() bit [14:13] = 01(3) | 35 | 44 | 53 | s | |
Watchdog timeout period, ChargeOption() bit [14:13] = 10(3) | 70 | 88 | 105 | s | ||
Watchdog timeout period, ChargeOption() bit [14:13] = 11(3) (Default) | 140 | 175 | 210 | s |