JAJSHO8T November 2013 – August 2022 BQ2961 , BQ2962
PRODMIX
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
---|---|---|---|---|---|---|---|
Voltage Protection Thresholds | |||||||
VOV | V(PROTECT) Overvoltage Detection | RIN = 1 kΩ | Applicable Voltage: 3.85 V to 4.6 V in 50-mV steps | V | |||
VHYS | OV Detection Hysteresis | 250 | 300 | 400 | mV | ||
VOA | OV Detection Accuracy | TA = 25°C | –10 | 10 | mV | ||
VOADRIFT | OV Detection Accuracy Across Temperature | TA = –40°C | –40 | 40 | mV | ||
TA = 0°C | –20 | 20 | mV | ||||
TA = 60°C | –24 | 24 | mV | ||||
TA = 110°C | –54 | 54 | mV | ||||
TA = 110°C | –54 | 54 | mV | ||||
Supply and Leakage Current | |||||||
IDD | Supply Current with REG on | (Vn – Vn-1) = 2 V to 4.15 V, n = 1 to 4, VDD = top Vn voltage (V1 – VSS) > VUVREG , IREG = 0 mA, | TA = 0°C to 60°C | 4 | 6 | µA | |
TA = –40°C to 110°C | 8 | µA | |||||
IDD | Supply Current with REG off | (Vn – Vn-1) = 2 V to 4.15 V, n = 1 to 4, VDD = top Vn voltage (V1 – VSS) < VUVREG | TA = 0°C to 60°C | 1 | 2 | µA | |
TA = –40°C to 110°C | 4 | µA | |||||
IIN | Input Current at Vx Pins | (Vn – Vn-1) = (V1 – VSS) = 3.8 V, VDD = top Vn voltage, TA = 25°C | –0.1 | 0.1 | µA | ||
Output Drive OUT, CMOS Active High | |||||||
VOUT | Output Drive Voltage, Active High | (Vn – Vn-1) or (V1 – VSS) > VOV, IOH = 100 µA, VDD = top Vn voltage | 6 | 7 | 8 | V | |
If three of four cells are short circuited, only one cell remains powered and > VOV, VDD = Vn (the remaining cell voltage), IOH = 100 µA | VDD – 0.3 | V | |||||
(Vn – Vn-1) and (V1 – VSS) < VOV, VDD = sum of the cell stack voltage, IOL = 100 µA measured into OUT pin | 250 | 400 | mV | ||||
IOUTH | OUT Source Current (during OV) | (Vn – Vn-1), (V3 – V2), or (V1 – VSS) > VOV, VDD = top Vn voltage, forced OUT = 0 V, measured out of OUT pin | 4.5 | mA | |||
IOUTL | OUT Sink Current (no OV) | (Vn – Vn-1) and (V1 – VSS) < VOV, VDD = top Vn voltage, forced OUT = VDD, measured into OUT pin. Pull-up resistor RPU = 5 kΩ to VDD | 0.5 | 14 | mA | ||
Internal Fixed Delay Timer | |||||||
tDELAY | OV Delay Time(1) | Internal Fixed Delay, 3-s delay option | 2.4 | 3 | 3.6 | s | |
Internal Fixed Delay, 4-s delay option | 3.2 | 4 | 4.8 | s | |||
Internal Fixed Delay, 5.5-s delay option | 4.4 | 5.5 | 6.6 | s | |||
Internal Fixed Delay, 6.5-s delay option | 5.2 | 6.5 | 7.8 | s | |||
tDELAY_CTM | Fault Detection Delay Time in Test Mode OV Delay Time | Internal Fixed Delay | 15 | ms | |||
tDELAY_RESET | OV delay timer count reset time; tDELAY resets when the cell voltage falls below VOV for tDELAY_RESET.(1) | Internal Fixed Delay | 0.6 | ms | |||
Regulated Supply Output, REG | |||||||
VREG | REG Supply at 500 µA load | VDD ≥ 4 V, IREG = 500 µA, CREG = 0.47 µF | VREG = 3.3 V, | 3.234 | 3.300 | 3.366 | V |
VREG = 3.15 V, BQ2962 | 3.087 | 3.150 | 3.213 | ||||
VREG = 3.0 V, BQ2962 | 2.940 | 3.000 | 3.060 | ||||
VREG = 2.5 V, BQ2961 | 2.450 | 2.500 | 2.550 | ||||
VREG = 1.8 V, BQ2961 | 1.764 | 1.800 | 1.836 | ||||
VREG | REG Supply from 0 to 2 mA load | VDD ≥ 4 V, IREG = 0 µA to 2 mA, CREG = 0.47 µF | VREG = 3.3 V, BQ2961, BQ2962 | 3.200 | 3.300 | 3.400 | V |
VREG = 3.15 V, BQ2962 | 3.050 | 3.150 | 3.250 | ||||
VREG = 3.0 V, BQ2962 | 2.900 | 3.000 | 3.100 | ||||
VREG = 2.5 V, BQ2961 | 2.425 | 2.500 | 2.575 | ||||
VREG = 1.8 V, BQ2961 | 1.746 | 1.800 | 1.854 | ||||
IREG | REG Current Output | VDD ≥ 4 V, CREG = 0.47 µF | 0 | 2 | mA | ||
IREG_ SC_Limit | REG Output Short Circuit Current Limit | REG = VSS, CREG = 0.47 µF | 4 | mA | |||
RREG_ PD | REG pull-down resistor | REG is disabled. | 20 | 30 | 45 | kΩ | |
Regulated Supply Output Enable, REG_EN | |||||||
VIH | High-level Input | 1.6 | V | ||||
VIL | Low-level Input | 0.4 | V | ||||
ILKG | Input Leakage Current | VIH < 6 V | 0.1 | µA | |||
Regulated Supply Undervoltage Self-Disable | |||||||
VUVREG | Undervoltage detection | Factory Configuration: 2.0 V to 3.5 V in 50 mV steps, TA = 25°C | –50 | 50 | mV | ||
VUVHYS | Undervoltage Detection Hysteresis | 250 | 300 | 400 | mV | ||
tUVDELAY | Undervoltage Detection Delay | 4.5 | 6 | 7.5 | s | ||
VUVQUAL | Cell voltage to qualify for UV detection | 0.5 | V |