BMS/PCM/PCB with Fuel/Gas Gauge for 7S(25.9V)~13S(48.1V) Li-ion and Li-Polymer battery pack (0.8Ah-32Ah) with I2C,HDQ Interface Communication
Features and Benefits
Smart Battery Systems (SBS) with Gas/Fuel Gauge support for
7S(25.9V)~13S(48.1V) Li-ion and Li-Polymer battery pack (0.8Ah-32Ah)
with I2C,HDQ Interface Communication.
DC-DC 3.3V
* For Battery Type: Li-ion/Li-Polymer;
* For 7~13 battery cells in series;
* Battery Capacity should be 0.8Ah~32Ah;
* With I2C and HDQ interface communication;
* Can read the battery pack information via connecting a LCD or LED board(details check as below);
Specifications
HDQ COMMUNICATION TIMING CHARACTERISTICS
TA = –40°C to 85°C, CREG = 0.47 μF, 2.45 V < VREGIN = VBAT < 5.5 V; typical values at TA = 25°C and VREGIN = VBAT = 3.6 V (unless otherwise noted)
|
|
PARAMETER |
TEST CONDITIONS |
MIN |
TYP |
MAX |
UNIT |
|
t(CYCH) |
Cycle time, host to bq34z100 |
|
190 |
|
|
μs |
|
t(CYCD) |
Cycle time, bq34z100 to host |
|
190 |
205 |
250 |
μs |
|
t(HW1) |
Host sends 1 to bq34z100 |
|
0.5 |
|
50 |
μs |
|
t(DW1) |
bq34z100 sends 1 to host |
|
32 |
|
50 |
μs |
|
t(HW0) |
Host sends 0 to bq34z100 |
|
86 |
|
145 |
μs |
|
t(DW0) |
bq34z100 sends 0 to host |
|
80 |
|
145 |
μs |
|
t(RSPS) |
Response time, bq34z100 to host |
|
190 |
|
950 |
μs |
|
t(B) |
Break time |
|
190 |
|
|
μs |
|
t(BR) |
Break recovery time |
|
40 |
|
|
μs |
|
t(RISE) |
HDQ line rising time to logic 1 (1.2 V) |
|
|
|
950 |
ns |
|
t(RST) |
HDQ Reset |
|
1.8 |
|
2.2 |
s |
I2C-COMPATIBLE INTERFACE TIMING CHARACTERISTICS
TA = –40°C to 85°C, CREG = 0.47 μF, 2.45 V < VREGIN = VBAT < 5.5 V; typical values at TA = 25°C and VREGIN = VBAT = 3.6 V (unless otherwise noted)
|
|
PARAMETER |
TEST CONDITIONS |
MIN TYP |
MAX |
UNIT |
|
tr |
SCL/SDA rise time |
|
|
300 |
ns |
|
tf |
SCL/SDA fall time |
|
|
300 |
ns |
|
tw(H) |
SCL pulse width (high) |
|
600 |
|
ns |
|
tw(L) |
SCL pulse width (low) |
|
1.3 |
|
μs |
|
tsu(STA) |
Setup for repeated start |
|
600 |
|
ns |
|
td(STA) |
Start to first falling edge of SCL |
|
600 |
|
ns |
|
tsu(DAT) |
Data setup time |
|
100 |
|
ns |
|
th(DAT) |
Data hold time |
|
0 |
|
ns |
|
tsu(STOP) |
Setup time for stop |
|
600 |
|
ns |
|
tBUF |
Bus free time between stop and start |
|
66 |
|
μs |
|
fSCL |
Clock frequency |
|
|
400 |
kHz |
Specification:
|
Item |
Contents |
Criteria (Adjustable) |
|
|
1 |
Model |
HCX-D203 |
7S to 13S -20A working current |
|
2 |
Voltage |
Charging voltage |
29.4V~54.6V |
|
3 |
Battery Information |
Battery Type |
Li-ion or Li-Polymer |
|
4 |
Communication |
Communication Mode |
I2C,HDQ |
|
5 |
Current |
Maximal continuous charging current |
20A |
|
Maximal continuous discharging current |
20A |
||
|
Current consumption |
≤20μA |
||
|
6 |
Overcharge Protection |
Over charge detection voltage |
4.20±0.025V |
|
Over charge detection delay time |
0.5S—2S |
||
|
Over charge release voltage |
4.10±0.05V |
||
|
7 |
Over Discharge Protection |
Over discharge detection voltage |
2.80±0.062V |
|
Over discharge detection delay time |
0.5S—2S |
||
|
Over discharge release voltage |
2.8.00±0.1V |
||
|
8 |
Over Current Protection |
Over current detection voltage |
0.15±0.015V |
|
Over current detection current |
120±20A |
||
|
Detection delay time |
5ms—50ms |
||
|
Release condition |
Cut load,automatically recover |
||
|
9 |
Short Circuit Protection |
Detection condition |
Exterior shot circuit |
|
Detection delay time |
200-500us |
||
|
Release condition |
Cut load,automatically recover |
||
|
10 |
Balance |
Balance voltage for single cell |
4.18±0.025V |
|
Balance current for single cell |
84±10mA |
||
|
11 |
Resistance |
Inner resistance |
≤20mΩ |
|
12 |
Temperature |
Operating temperature range |
-40 ~ +75°C |
|
Storage temperature range |
-20~ +125°C |
||
|
13 |
Size (L*W*T) |
L292mm*W63mm*T9mm |
|
Connection Diagram
The Battery Pack's information in general as below:
The program tool EV 2300 for the inferface communication as below:
