Datasheet

bq20z75-V180
www.ti.com SLUSA22 –DECEMBER 2009
Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
PARAMETER PIN MIN NOM MAX UNIT
V
SUP
Supply voltage VCC, VBAT 4.5 25 V
V Minimum startup voltage VCC, BAT, PACK 5.5 V
STARTUP
VC(n)–VC(n+1); n = 1,2,3,4 0 5 V
VC1, VC2, VC3, VC4 0 V
SUP
V
V
IN
Input Voltage Range VC5 0 0.5 V
ASRN, ASRP –0.5 0.5 V
PACK, PMS 0 25 V
V
GPOD
Output Voltage Range GPOD 0 25 V
A
GPOD
Drain Current
(1)
GPOD 1 mA
C
REG25
2.5V LDO Capacitor REG25 1 µF
C
REG33
3.3V LDO Capacitor REG33 2.2 µF
C
VCELL+
Cell Voltage Output Capacitor VCELL+ 0.1 µF
C
PACK
PACK input block resistor
(2)
PACK 1 kΩ
(1) Use external resistor to limit current to GPOD to 1mA in high voltage application.
(2) External resistor to limit inrush current PACK pin required.
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
=
14V, C
REG25
= 1µF, C
REG33
= 2.2µF; 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
SHUTDOW
Shutdown Mode 0.1 1 µA
N
SHUTDOWN WAKE; T
A
= 25°C (unless otherwise noted)
I
PACK
Shutdown exit at V
STARTUP
threshold 1 µA
SRx WAKE FROM SLEEP; T
A
= 25°C (unless otherwise noted)
Positive or negative wake threshold with
V
WAKE
1.00 mV, 2.25 mV, 4.5 mV and 9 mV 1.25 10 mV
programmable options
V
WAKE
= 1.0mV;
–0.7 0.7
IWAKE=0, RSNS1=0, RSNS0=1;
V
WAKE
= 2.25mV;
IWAKE =1, RSNS1=0, RSNS0=1; –0.8 0.8
IWAKE =0, RSNS1=1, RSNS0=0;
V
WAKE_A
Accuracy of V
WAKE
mV
CR
V
WAKE
= 4.5mV;
IWAKE =1, RSNS1=1, RSNS0=1; –1.0 1.0
IWAKE =0, RSNS1=1, RSNS0=0;
V
WAKE
= 9mV;
–1.4 1.4
IWAKE =1, RSNS1=1, RSNS0=1;
V
WAKE_T
Temperature drift of V
WAKE
accuracy 0.5 %/°C
CO
Time from application of current and
t
WAKE
1 10 ms
wake of bq20z75-V180
POWER-ON RESET
V
IT–
Negative-going voltage input Voltage at REG25 pin 1.70 1.80 1.90 V
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