ZHCS477K September 2011 – August 2022 BQ294502 , BQ294504 , BQ294506 , BQ294512 , BQ294522 , BQ294524 , BQ294532 , BQ294533 , BQ294534 , BQ294582 , BQ294592
PRODUCTION DATA
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| VOLTAGE PROTECTION THRESHOLD VCx | ||||||
| VOV | V(PROTECT) – Overvoltage Detection | BQ294502, fixed delay 4 s | 4.35 | V | ||
| BQ294504, fixed delay 6.5 s | 4.35 | |||||
| BQ294506, fixed delay 4 s | 4.38 | |||||
| BQ294512, fixed delay 4 s | 4.4 | |||||
| BQ294522, fixed delay 4 s | 4.45 | |||||
| BQ294524, fixed delay 6.5 s | 4.45 | |||||
| BQ294532, fixed delay 4 s | 4.5 | |||||
| BQ294533, fixed delay 6.5 s | 4.5 | |||||
| BQ294534, fixed delay 4 s | 4.55 | |||||
| BQ294582, fixed delay 4 s | 4.225 | |||||
| BQ294592, fixed delay 4 s | 4.3 | |||||
| VHYS | Overvoltage Detection Hysteresis | VHYS | 250 | 300 | 400 | mV |
| VOA | OV Detection Accuracy | TA = 25°C, BQ2945xy | –10 | 10 | mV | |
| TA = 25°C, BQ294506 only | –7 | 7 | mV | |||
| VOA –DRIFT | OV Detection Accuracy due to Temperature | TA = –40°C TA = 0°C TA = 60°C TA = 110°C |
–40 –20 –24 –54 |
44 20 24 54 |
mV | |
| TA = 10°C to 45°C, BQ294506 only | –15 | 15 | mV | |||
| SUPPLY AND LEAKAGE CURRENT | ||||||
| ICC | Supply Current | (V3–V2) = (V2–V1) = (V1–VSS) = 4 V (See Figure 8-3 for reference.) | 1 | 2 | μA | |
| (V3–V2) = (V2–V1) = (V1–VSS) = 2.8 V with TA = –40°C to 60°C | 1.25 | |||||
| IIN | Input Current at Vx Pins | Measured at V3, V2, and V1 = 4 V (V2–V1) = (V1–VSS) = 4 V TA = 0°C to 60°C (See Figure 8-3 for reference.) |
–0.1 | 0.1 | μA | |
| OUTPUT DRIVE OUT | ||||||
| VOUT | Output Drive Voltage | (V3–V2) or (V2–V1) or (V1–VSS) >
VOV VDD = 7.2 V, IOH = 100 μA, TA = –40°C to +110°C |
6 | V | ||
| Two of the three cells are short circuit
and only one cell is powered (V3–V2) or (V2–V1) or (V1–VSS) > VOV VDD = Vx (Cell voltage), IOH = 100 μA, TA = –40°C to +110°C |
VDD – 0.2 | V | ||||
| (V3–V2), (V2–V1), and
(V1–VSS) < VOV, IOL = 100 μA, TA
= 25°C TA = –40°C to +110°C |
250 |
400 |
mV | |||
| IOUT(Short) | OUT Short Circuit Current | OUT = 0 V (V3–V2) or (V2–V1) or (V1–VSS) > VOV | 4.5 | mA | ||
| tR | Output Rise Time | CL = 1 nF, VOH(OUT) = 0 V to 5 V(1) | 5 | μs | ||
| ZO | Output Impedance | 2 | 5 | k? |
||
| FIXED DELAY TIMER | ||||||
| tDELAY | Fault Detection Delay Time | Fixed Delay, BQ2945xy with delay set to 4s typ | 3.2 | 4 | 4.8 | s |
| Fixed Delay, BQ2945xy with delay set to 6.5 s | 5.2 | 6.5 | 7.8 | |||
| tDELAY_CTM | Fault Detection Delay Time in Test Mode | Fixed Delay (Internal settings) | 15 | ms | ||