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BQ29312PW Datasheet(PDF) 4 Page - Texas Instruments

Part # BQ29312PW
Description  THREE AND FOUR CELL LITHIUM-LON ORLITHIUM-POLYMER BATTERY PROTECTION AFE
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ29312PW Datasheet(HTML) 4 Page - Texas Instruments

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bq29312
SLUS546D − MARCH 2003 − REVISED SEPTEMBER 2004
www.ti.com
4
ELECTRICAL CHARACTERISTICS
TA = 25°C, C(REG) = 4.7 µF, BAT = 14 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
ICC1
Supply current 1
No load at REG, TOUT, XALERT, SCLK,
and SDATA. ZVCHG = off ,VMEN = on,
60
90
A
ICC1
Supply current 1
and SDATA. ZVCHG = off ,VMEN = on,
WDI no clock, Select VC5 = VC4 = 0 V
TA = −25°C to 85°C
100
µA
ICC2
Supply current 2
(Depends of VM
topology
selected)
No load at REG, TOUT, XALERT, SCLK,
and SDATA. ZVCHG = off, VMEN = off,
WDI no clock
TA = −25°C to 85°C
25
50
µA
I(SLEEP)
Sleep current
No load at REG, TOUT, XALERT, SCLK,
and SDATA.
CHG, DSG and ZVCHG = off, REG = on,
VMEN = off, WDI no clock,
SLEEP = REG or OPEN
TA = −25°C to 85°C
20
40
µA
I(SHIP)
Ship current
REG, CHG, DSG and ZVCHG = off,
REG = off, VMEN = off, WDI no clock,
VPACK= 0 V
TA = −25°C to 85°C
0.1
1.0
µA
3.3 V LDO
8.0 V< BAT or PACK
≤ 25 V, IOUT ≤ 25 mA
−4%
3.3
2%
V
6.5 V< BAT or PACK
≤ 8 V, IOUT ≤ 25 mA
−9%
3.3
2%
V
V(REG)
Regulator output
voltage
5.4 V
≤ BAT or PACK ≤ 6.5 V,
IO ≤ 16 mA
TA =− 25°C to 85°C
−9%
3.3
2%
V
voltage
4.5 V
≤ BAT or PACK ≤ 25 V,
IO ≤ 2 mA
−2%
3.3
2%
V
∆V(EGTEMP)
Regulator output
change with
temperature
5.4 V
≤ BAT ≤ 25 V, IO = 2 mA,
TA =− 25°C to 85°C
±0.2%
∆V(REGLINE) Line regulation
5.4 V
≤ BAT or PACK ≤ 25 V, IO = 2 mA
3
10
mV
∆V(REGLOAD) Load regulation
BAT = 14 V, 0.2 mA
≤ IO ≤ 2 mA
7
15
mV
∆V(REGLOAD) Load regulation
BAT = 14 V, 0.2 mA
≤ IO ≤ 25 mA
40
100
mV
IMAX
Current limit
BAT = 14 V, REG = 3.0 V
25
100
mA
IMAX
Current limit
BAT = 14 V, REG = 0 V
12
50
mA
CELL VOLTAGE MONITOR
V(CELL OUT)
CELL output
V(Cn) – V(Cn + 1) = 0 V, 8.0 V ≤ BAT or PACK ≤ 25 V
0.975
V
V(CELL OUT)
CELL output
V(Cn) – V(Cn + 1) = 4.5 V, 8.0 V ≤ BAT or PACK ≤ 25 V
0.3
V
REF
CELL output
Mode(1), 8.0 V
≤ BAT or PACK ≤ 25 V
−1%
0.975
1%
V
PACK
CELL output
Mode(2)
−5%
PACK
/25
5%
V
K
CELL scale factor
K = {CELL output (VC5 = 0.0 V, VC4 = 4.5 V)
−CELL output (VC5 = VC4 = 0.0 V)/ 4.5
0.147
0.150
0.153
K
CELL scale factor
K = {CELL output (VC2 = 13.5 V, VC1 = 18.0 V)
−CELL output (VC2 = VC1 = 13.5 V)/ 4.5
0.147
0.150
0.153
VICR
CELL output
offset error
CELL output (VC2 = 17.0 V, VC1 = 17.0 V)
CELL output (VC2 = VC1 = 0.0 V)
−1
mV
R(BAL)
Cell balance
internal
resistance
rds(ON) for internal FET switch at VDS = 2.0 V
200
400
800
(1) Register Address =0x04, b2(CAL0) = b3(CAL1) = 1, Register Address = 0x03,b0(VMEN) = 1
(2) Register Address = 0x03, b1(PACKOUT) = 1, b0( VMEN) = 1


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