 English |
|
|
|
|
|
|
|
| BQ20Z655 Datasheet, PDF (7/23 Pages) Texas Instruments – SBS 1.1-COMPLIANT GAS GAUGE AND PROTECTION ENABLED WITH IMPEDANCE TRACK | |||
| |||
| ◁ |
bq20z655
www.ti.com
RECOMMENDED OPERATING CONDITIONS (continued)
Over operating free-air temperature range (unless otherwise noted)
PIN
VC(n)-VC(n+1); n = 1,2,3,4
VC1, VC2, VC3, VC4
VIN
Input voltage range
VC5
ASRN, ASRP
PACK, PMS
V(GPOD)
I(GPOD)
C(REG25)
C(REG33)
C(VCELL+)
R(PACK)
Output voltage range
Drain current(1)
2.5V LDO capacitor
3.3V LDO capacitor
Cell voltage output capacitor
PACK input block resistor(2)
GPOD
GPOD
REG25
REG33
VCELL+
PACK
(1) Use an external resistor to limit the current to GPOD to 1 mA in high voltage application.
(2) Use an external resistor to limit the inrush current PACK pin required.
SLUSAH8 â APRIL 2011
MIN
0
0
0
â0.5
0
0
1
2.2
0.1
1
NOM
MAX
5
VSS
0.5
0.5
25
25
1
UNIT
V
V
V
V
V
V
mA
µF
µF
µF
kâ¦
ELECTRICAL CHARACTERISTICS
Over operating free-air temperature range (unless otherwise noted), TA = â40°C to 85°C, V(REG25) = 2.41 V to 2.59 V,
V(BAT) = 14 V, C(REG25) = 1 µF, C(REG33) = 2.2 µF; typical values at TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
SUPPLY CURRENT
I(NORMAL)
Firmware running
550
I(SLEEP)
Sleep mode
CHG FET on; DSG FET on
124
CHG FET off; DSG FET on
90
CHG FET off; DSG FET off
52
I(SHUTDOWN)
Shutdown mode
SHUTDOWN WAKE; TA = 25°C (unless otherwise noted)
I(PACK)
Shutdown exit at VSTARTUP
threshold
0.1
1
1
SRx WAKE FROM SLEEP; TA = 25°C (unless otherwise noted)
V(WAKE)
Positive or negative wake
threshold with 1.00 mV, 2.25
mV, 4.5 mV and 9 mV
programmable options
1.25
10
V(WAKE_ACR)
V(WAKE_TCO)
Accuracy of V(WAKE)
Temperature drift of V(WAKE)
accuracy
V (WAKE) = 1 mV;
I(WAKE)= 0, RSNS1 = 0, RSNS0 = 1;
V(WAKE) = 2.25 mV;
I(WAKE) = 1, RSNS1 = 0, RSNS0 = 1;
I(WAKE) = 0, RSNS1 = 1, RSNS0 = 0;
V(WAKE) = 4.5 mV;
I(WAKE) = 1, RSNS1 = 1, RSNS0 = 1;
I(WAKE) = 0, RSNS1 = 1, RSNS0 = 0;
V(WAKE) = 9 mV;
I(WAKE) = 1, RSNS1 = 1, RSNS0 = 1;
-0.7
0.7
-0.8
0.8
-1.0
1.0
-1.4
1.4
0.5
t(WAKE)
Time from application of
current and wake of
bq20z655
1
10
WATCHDOG TIMER
tWDTINT
Watchdog start up detect time
tWDWT
Watchdog detect time
2.5V LDO; I(REG33OUT) = 0 mA; TA = 25°C (unless otherwise noted)
V(REG25)
Regulator output voltage
4.5 < VCC or BAT < 25 V;
I(REG25OUT) ⤠16 mA;
TA = â40°C to 100°C
250
500
50
100
2.41
2.5
1000
150
2.59
UNIT
µA
µA
µA
µA
µA
µA
mV
mV
%/°C
ms
ms
µs
V
Copyright © 2011, Texas Instruments Incorporated
Product Folder Link(s): bq20z655
Submit Documentation Feedback
7
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese