參數(shù)資料
型號(hào): BQ25070DQCR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1 A BATTERY CHARGE CONTROLLER, PDSO10
封裝: 2 X 3 MM, GREEN, PLASTIC, SON-10
文件頁數(shù): 15/21頁
文件大?。?/td> 664K
代理商: BQ25070DQCR
SLUSA66
– JULY 2011
ELECTRICAL CHARACTERISTICS
Over junction temperature range 0
°C ≤ TJ ≤ 125°C and recommended supply voltage (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
INPUT
VUVLO
Under-voltage lock-out
VIN: 0 V → 4 V
3.15
3.30
3.55
V
VHYS-UVLO
Hysteresis on UVLO
VIN: 4 V → 0 V
250
mV
VBATUVLO
Battery UVLO
VBAT rising
1.95
2.05
2.15
V
VHYS-BUVLO
Hysteresis on BAT UVLO
VBAT falling
125
mV
Input power good if VIN > VBAT +
Valid input source threshold VIN-SLP above
VIN-SLP
30
75
150
mV
VBAT
VBAT = 3.6 V, VIN: 3.5 V → 4 V
VHYS-INSLP
Hysteresis on VIN-SLP
VBAT = 3.6 V, VIN: 4 V → 3.5 V
18
32
54
mV
Delay time, input power loss to charger
Time measured from VIN: 5 V → 2.5 V
tDGL(NO-IN)
32
ms
turn-off
1
μs fall-time
VOVP
Input over-voltage protection threshold
VIN: 5 V → 11 V
10.2
10.5
10.8
V
VHYS-OVP
Hysteresis on OVP
VIN: 11 V → 5 V
100
mV
tBLK(OVP)
Input over-voltage blanking time
100
μs
Time measured from VIN: 11 V → 5 V
tREC(OVP)
Input over-voltage recovery time
100
μs
1
μs fall-time to LDO = HI, VBAT = 3.5 V
QUIESCENT CURRENT
VIN = 0 V, VCHG = High, TS Enabled
120
150
μA
IBAT(PDWN)
Battery current into BAT, No input connected
VIN = 0 V, VCHG = Low, TS Disabled,
6
μA
TJ = 85°C
CTRL = HI, VIN = 5.5V
0.25
IIN(STDBY)
Standby current into IN pin
CTRL = HI, VIN ≤ VOVP
0.5
mA
CTRL = HI, VIN > VOVP
2
VIN = 6 V, No load on OUT pin,
ICC
Active supply current, IN pin
3
mA
VBAT> VBAT(REG), IC enabled
BATTERY CHARGER FAST-CHARGE
TA = 0°C to 125°C
3.465
3.5
3.535
VBAT(REG)
Battery float charge voltage
V
TA = 25°C
3.465
3.5
3.529
VBAT(OVCH)
Battery overcharge voltage threshold
3.62
3.7
3.78
V
4 pulses on CTRL
87
93
100
5 pulses on CTRL
174
187
200
6 pulses on CTRL
261
280
300
7 pulses on CTRL
348
374
400
Input Current Limit (selected by CTRL
IIN(LIM)
mA
interface)
8 pulses on CTRL
435
467
500
9 pulses on CTRL
608
654
700
10 pulses on CTRL
739
794
850
11 pulses on CTRL
869
935
1000
VDO(IN-OUT)
VIN – VOUT
VIN = 3.5 V, IOUT = 0.75 A
500
1400
mV
KIMON = IIMON / ICHG, RIMON = 1kΩ,
KIMON
Input current monitor ratio
1
mA / A
Current programmed using CTRL
VIMON(MAX)
Maximum IMON voltage
IMON open
1.2
1.25
V
IIN < 100 mA
–25%
25%
IMON Accuracy
IIN = 100 mA to 1 A
–10%
10%
PRE-CHARGE AND CHARGE DONE
VLOWV
Pre-charge to fast-charge transition threshold
2.4
2.5
2.6
V
Deglitch time on pre-charge to fast-charge
tDGL1(LOWV)
25
ms
transition
Deglitch time on fast-charge to pre-charge
tDGL2(LOWV)
25
ms
transition
Copyright
2011, Texas Instruments Incorporated
3
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