SLUSG28 August 2025 BQ25176K
PRODUCTION DATA
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| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| QUIESCENT CURRENTS | ||||||
| IQ_OUT | Quiescent output current (OUT) | OUT= 4.05V, IN floating or IN = 0V - 5V, Charge Disabled, TJ = 25 °C | 0.35 | 0.6 | μA | |
| OUT= 4.05V, IN floating or IN = 0V - 5V, Charge Disabled, TJ < 105 °C | 0.35 | 0.8 | μA | |||
| ISD_IN_TS | Shutdown input current (IN) with charge disabled via TS pin | IN = 5V, Charge Disabled (VTS < VTS_ENZ), no battery | 80 | 110 | μA | |
| ISTANDBY_IN | Standby input current (IN) with charge terminated | IN = 5V, Charge Enabled, charge terminated | 190 | μA | ||
| IQ_IN | Quiescent input current (IN) | IN = 5V, OUT = 3.8V, Charge Enabled, ICHG = 0A | 0.45 | 0.6 | mA | |
| INPUT | ||||||
| VIN_OP | IN operating range | 3.0 | 25 | V | ||
| VIN_LOWV | IN voltage to start charging | IN rising | 3.05 | 3.09 | 3.15 | V |
| VIN_LOWV | IN voltage to stop charging | IN falling | 2.80 | 2.95 | 3.10 | V |
| VSLEEPZ | Exit SLEEP mode threshold | IN rising, VIN - VOUT, OUT = 4V | 30 | 55 | 80 | mV |
| VSLEEP | Enter SLEEP mode threshold | IN falling, VIN - VOUT, OUT = 4V | 5 | 30 | 50 | mV |
| VIN_OV | VIN overvoltage rising threshold | IN rising | 26.0 | 26.5 | 27.0 | V |
| VIN_OVZ | VIN overvoltage falling threshold | IN falling | 25.0 | 25.5 | 26.0 | V |
| VIN_DPM | Input voltage DPM threshold | VOUT = 2.9V, VSET = 4.35V, measured at IN pin | 4.17 | 4.3 | 4.43 | V |
| CONFIGURATION PINS SHORT/OPEN PROTECTION | ||||||
| RISET_SHORT | Highest resistor value considered short | RISET below this at startup, charger does not initiate charge, power cycle toggle to reset | 350 | Ω | ||
| RVSET_SHORT | Highest resistor value considered short | RVSET below this at startup, charger does not initiate charge, power cycle or TS toggle to reset | 2.8 | kΩ | ||
| RVSET_OPEN | Lowest resistor value considered open | RVSET below this at startup, charger does not initiate charge, power cycle or TS toggle to reset | 200 | kΩ | ||
| BATTERY CHARGER | ||||||
| VDO | Dropout voltage (VIN - VOUT) | VIN falling, VOUT = 4.35V, IOUT = 500mA | 425 | mV | ||
| VREG_ACC | OUT charge voltage regulation accuracy | TJ = 25℃, all VSET settings | –0.5 | 0.5 | % | |
| TJ = -40℃ to 125℃, all VSET settings | –0.8 | 0.8 | % | |||
| ICHG_RANGE | Typical charge current regulation range | VOUT > VBAT_LOWV | 10 | 800 | mA | |
| KISET | Charge current setting factor, ICHG = KISET / RISET | 10mA < ICHG < 800mA | 270 | 300 | 330 | AΩ |
| ICHG_ACC | Charge current accuracy | RISET = 375Ω, OUT = 3.8V | 720 | 800 | 880 | mA |
| RISET = 600Ω, OUT = 3.8V | 450 | 500 | 550 | mA | ||
| RISET = 3.0kΩ, OUT = 3.8V | 90 | 100 | 110 | mA | ||
| RISET = 30kΩ, OUT = 3.8V | 9 | 10 | 11 | mA | ||
| IPRECHG | Typical pre-charge current, as percentage of ICHG | VOUT < VBAT_LOWV | 20 | % | ||
| IPRECHG_ACC | Precharge current accuracy | RISET = 375Ω, OUT = 2.5V | 144 | 160 | 176 | mA |
| RISET = 600Ω, OUT = 2.5V | 85 | 100 | 110 | mA | ||
| RISET = 3.0kΩ, OUT = 2.5V | 18 | 20 | 22 | mA | ||
| RISET = 30kΩ, OUT = 2.5V | 1.4 | 2 | 2.6 | mA | ||
| ITERM | Typical termination current, as percentage of ICHG | VOUT = VREG | 10 | % | ||
| ITERM_ACC | Termination current accuracy | RISET = 600Ω, OUT = VREG = 4.05V | 45 | 50 | 55 | mA |
| RISET = 3.0kΩ, OUT = VREG = 4.05V | 8.5 | 10 | 11.5 | mA | ||
| RISET = 30kΩ, OUT = VREG = 4.05V | 0.4 | 1 | 1.6 | mA | ||
| VBAT_SHORT | Output (OUT) short circuit voltage rising threshold for Li-Ion chemistry | OUT rising | 2.1 | 2.2 | 2.3 | V |
| VBAT_SHORT | Output (OUT) short circuit voltage rising threshold for LiFePO4 chemistry | OUT rising, VSET configured for LiFePO4 | 1.1 | 1.2 | 1.3 | V |
| VBAT_SHORT_HYS | Output (OUT) short circuit voltage hysteresis | OUT falling | 200 | mV | ||
| IBAT_SHORT | OUT short circuit charging current | VOUT < VBAT_SHORT | 12 | 16 | 20 | mA |
| VBAT_LOWV | Pre-charge to fast-charge transition threshold for Li-Ion chemistry | OUT rising | 2.7 | 2.8 | 3.0 | V |
| VBAT_LOWV | Pre-charge to fast-charge transition threshold for Li-FePO4 chemistry | OUT rising, VSET configured for LiFePO4 | 1.9 | 2.0 | 2.1 | V |
| VBAT_LOWV_HYS | Battery LOWV hysteresis | OUT falling | 100 | mV | ||
| VRECHG | Battery recharge threshold for Li-Ion chemistry | OUT falling, VREG_ACC - VOUT | 75 | 100 | 125 | mV |
| VRECHG | Battery recharge threshold for LiFePO4 chemistry | OUT falling, VSET configured for LiFePO4, VREG_ACC - VOUT | 175 | 200 | 225 | mV |
| RON | Charging path FET on-resistance | IOUT = 400mA, TJ = 25°C | 845 | 1000 | mΩ | |
| IOUT = 400mA, TJ = -40 - 125°C | 845 | 1450 | mΩ | |||
| BATTERY CHARGER PROTECTION | ||||||
| VOUT_OVP | OUT overvoltage rising threshold | VOUT rising, as percentage of VREG | 103 | 104 | 105 | % |
| VOUT_OVP | OUT overvoltage falling threshold | VOUT falling, as percentage of VREG | 101 | 102 | 103 | % |
| IOUT_OCP | Output current limit threshold | IOUT rising | 0.9 | 1 | 1.1 | A |
| TEMPERATURE REGULATION AND TEMPERATURE SHUTDOWN | ||||||
| TREG | Typical junction temperature regulation | 125 | °C | |||
| TSHUT | Thermal shutdown rising threshold | Temperature increasing | 150 | °C | ||
| Thermal shutdown falling threshold | Temperature decreasing | 135 | °C | |||
| BATTERY-PACK NTC MONITOR | ||||||
| ITS_BIAS | TS nominal bias current | 36.5 | 38 | 39.5 | μA | |
| VCOLD | Cold temperature threshold | TS pin voltage rising (approx. 0°C) | 0.99 | 1.04 | 1.09 | V |
| Cold temperature exit threshold | TS pin voltage falling (approx. 4°C) | 0.83 | 0.88 | 0.93 | V | |
| VCOOL | Normal to low temperature charge; Charge current target reduced to 20% x ISET | TS pin voltage rising (approx. 10°C) | 650 | 680 | 710 | mV |
| Low temperature to normal charge; Charge current target returns to ISET | TS pin voltage falling (approx. 13°C) | 580 | 610 | 640 | mV | |
| VWARM | Normal to warm temperature threshold; Charge current target reduced to 50% x ISET; VREG reduced to 4.1V for VSET = 4.58V, 4.53V, 4.35 V, 4.4 V | TS pin voltage falling (approx. 45°C) | 176 | 188 | 200 | mV |
| Warm to normal temperature threshold; Charge current target increased to ISET; VREG increased to VSET for VSET = 4.58V, 4.53V, 4.35 V, 4.4 V | TS pin voltage rising (approx. 40°C) | 208 | 220 | 232 | mV | |
| VHOT | Warm to hot temperature threshold; charge disabled | TS pin voltage falling (approx. 55°C) | 125 | 135 | 145 | mV |
| Hot to warm temperature threshold; Charge current target increased to 50% x ISET; VREG set to 4.1V for VSET = 4.58V, 4.53V, 4.35 V, 4.4 V | TS pin voltage rising (approx. 51°C) | 148 | 158 | 168 | mV | |
| VTS_ENZ | Charge Disable threshold. Crossing this threshold shall shutdown IC | TS pin voltage falling | 40 | 50 | 60 | mV |
| VTS_EN | Charge Enable threshold. Crossing this threshold shall restart IC operation | TS pin voltage rising | 65 | 75 | 85 | mV |
| VTS_CLAMP | TS maximum voltage clamp | TS pin open-circuit (float) | 2.3 | 2.6 | 2.9 | V |
| LOGIC OUTPUT PIN | ||||||
| VOL | Output low threshold level | Sink current = 5mA | 0.4 | V | ||
| IOUT_BIAS | High-level leakage current | Pull up rail 3.3V | 1 | μA | ||