Datasheet

bq20z65-R1
www.ti.com SLUS990 –DECEMBER 2009
ELECTRICAL CHARACTERISTICS
Over operating free-air temperature range (unless otherwise noted), T
A
= –40°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 T
A
= 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY CURRENT
I
(NORMAL)
Firmware running 550 µA
I
(SLEEP)
Sleep mode CHG FET on; DSG FET on 124 µA
CHG FET off; DSG FET on 90 µA
CHG FET off; DSG FET off 52 µA
I
(SHUTDOWN)
Shutdown mode 0.1 1 µA
SHUTDOWN WAKE; T
A
= 25°C (unless otherwise noted)
Shutdown exit at V
STARTUP
I
(PACK)
1 µA
threshold
SRx WAKE FROM SLEEP; T
A
= 25°C (unless otherwise noted)
Positive or negative wake
threshold with 1.00 mV, 2.25 mV,
V
(WAKE)
1.25 10 mV
4.5 mV and 9 mV programmable
options
V
(WAKE)
= 1 mV;
-0.7 0.7
I
(WAKE)
= 0, RSNS1 = 0, RSNS0 = 1;
V
(WAKE)
= 2.25 mV;
I
(WAKE
) = 1, RSNS1 = 0, RSNS0 = 1; -0.8 0.8
I
(WAKE)
= 0, RSNS1 = 1, RSNS0 = 0;
V
(WAKE_ACR)
Accuracy of V
(WAKE)
mV
V
(WAKE)
= 4.5 mV;
I
(WAKE)
= 1, RSNS1 = 1, RSNS0 = 1; -1.0 1.0
I
(WAKE)
= 0, RSNS1 = 1, RSNS0 = 0;
V
(WAKE)
= 9 mV;
-1.4 1.4
I
(WAKE)
= 1, RSNS1 = 1, RSNS0 = 1;
Temperature drift of V
(WAKE)
V
(WAKE_TCO)
0.5 %/°C
accuracy
Time from application of current
t
(WAKE)
1 10 ms
and wake of bq20z65-R1
WATCHDOG TIMER
t
WDTINT
Watchdog start up detect time 250 500 1000 ms
t
WDWT
Watchdog detect time 50 100 150 µs
2.5V LDO; I
(REG33OUT)
= 0 mA; T
A
= 25°C (unless otherwise noted)
4.5 < VCC or BAT < 25 V;
V
(REG25)
Regulator output voltage I
(REG25OUT
) ≤ 16 mA; 2.41 2.5 2.59 V
T
A
= –40°C to 100°C
ΔV
(REG25TEM
Regulator output change with I
(REG25OUT)
= 2 mA;
±0.2 %
P)
temperature T
A
= –40°C to 100°C
ΔV
(REG25LINE
5.4 < VCC or BAT < 25 V;
Line regulation 3 10 mV
)
I
(REG25OUT)
= 2 mA
0.2 mA ≤ I
(REG25OUT)
≤ 2 mA 7 25
ΔV
(REG25LOA
Load regulation mV
D)
0.2 mA ≤ I
(REG25OUT)
≤ 16 mA 25 50
drawing current until
I
(REG25MAX)
Current limit 5 40 75 mA
REG25 = 2 V to 0 V
3.3V LDO; I
(REG25OUT)
= 0 mA; T
A
= 25°C (unless otherwise noted)
4.5 < VCC or BAT < 25 V;
V
(REG33)
Regulator output voltage I
(REG33OUT)
≤ 25 mA; 3 3.3 3.6 V
T
A
= –40°C to 100°C
ΔV
(REG33TEM
Regulator output change with I
(REG33OUT)
= 2 mA;
±0.2 %
P)
temperature T
A
= –40°C to 100°C
ΔV
(REG33LINE
5.4 < VCC or BAT < 25 V;
Line regulation 3 10 mV
)
I
(REG33OUT)
= 2 mA
0.2 mA ≤ I
(REG33OUT)
≤ 2 mA 7 17
ΔV
(REG33LOA
Load regulation mV
D)
0.2mA ≤ I
(REG33OUT)
≤ 25 mA 40 100
drawing current until REG33 = 3 V 25 100 145
I
(REG33MAX)
Current limit mA
short REG33 to VSS, REG33 = 0 V 12 65
THERMISTOR DRIVE
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