SLUSBU5V November 2013 – September 2025 BQ2961 , BQ2962
PRODUCTION DATA
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|---|---|
| Voltage Protection Thresholds | |||||||
| VOV | V(PROTECT) Overvoltage Detection | RIN = 1 kΩ | Applicable Voltage: 3.85V to 4.6V in 50mV 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) = 2V to 4.15V, n = 1 to 4, VDD = top Vn voltage (V1 – VSS) > VUVREG , IREG = 0mA, | 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) = 2V to 4.15V, 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) = 3.8V, 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 = 100µA, 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 = 100µA | VDD – 0.3 | V | |||||
| (Vn – Vn-1) and (V1 – VSS) < VOV, VDD = sum of the cell stack voltage, IOL = 100µA 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 = 0V, 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 = 5kΩ 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 500µA load | VDD ≥ 4V,
IREG = 500µA, CREG = 0.47µF | VREG = 3.3V, | 3.234 | 3.300 | 3.366 | V |
| VREG = 3.15V, BQ2962 | 3.087 | 3.150 | 3.213 | ||||
| VREG = 3.0V, BQ2962 | 2.940 | 3.000 | 3.060 | ||||
| VREG = 2.5V, BQ2961 | 2.450 | 2.500 | 2.550 | ||||
| VREG = 1.8V, BQ2961 | 1.764 | 1.800 | 1.836 | ||||
| VREG | REG Supply from 0 to 2mA load | VDD ≥ 4V,
IREG = 0µA to 2mA, CREG = 0.47µF | VREG = 3.3V, BQ2961, BQ2962 | 3.200 | 3.300 | 3.400 | V |
| VREG = 3.15V, BQ2962 | 3.050 | 3.150 | 3.250 | ||||
| VREG = 3.0V, BQ2962 | 2.900 | 3.000 | 3.100 | ||||
| VREG = 2.5V, BQ2961 | 2.425 | 2.500 | 2.575 | ||||
| VREG = 1.8V, BQ2961 | 1.746 | 1.800 | 1.854 | ||||
| IREG | REG Current Output | VDD ≥ 4V, CREG = 0.47µF | 0 | 2 | mA | ||
| IREG_ SC_Limit | REG Output Short Circuit Current Limit | REG = VSS, CREG = 0.47µF | 4 | mA | |||
| RREG_ PD | REG pull-down resistor | REG is disabled. | 20 | 30 | 45 | kΩ | |
| Regulated Supply Undervoltage Self-Disable | |||||||
| VUVREG | Undervoltage detection | Factory Configuration: 2.0V to 3.5V in 50mV 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 | ||||