參數(shù)資料
型號(hào): LTC1759CG
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: Smart Battery Charger
中文描述: 0.2 A BATTERY CHARGE CONTROLLER, 230 kHz SWITCHING FREQ-MAX, PDSO36
封裝: 0.209 INCH, PLASTIC, SSOP-36
文件頁(yè)數(shù): 4/28頁(yè)
文件大?。?/td> 362K
代理商: LTC1759CG
4
LTC1759
ELECTRICAL CHARACTERISTICS
The
G
denotes specifications which apply over the full operating temperature range (T
J
= 0
°
C to 100
°
C), otherwise specifications are
T
A
= 25
°
C. V
CC
= DCIN = 18V, V
BAT1, 2
= 12.6V, V
DD
= 3.3V unless otherwise specified.
PARAMETER
Thermistor Decoder (Note 11)
Combined Input Leakage on RNR and THERM
Thermistor Trip (COLD/OR)
Thermistor Trip (IDEAL/COLD)
Thermistor Trip (HOT/IDEAL)
Thermistor Trip (UR/HOT)
DACs
Charging Current Resolution
Charging Current Granularity
CONDITIONS
MIN
TYP
MAX
UNITS
200
120
33.6
3.36
560
nA
k
k
k
R
WEAK
= 475k
±
1%
R
NR
= 10k
±
1%
R
NR
= 10k
±
1%
R
UR
= 1k
±
1%
G
80
26.4
2.64
440
100
30
3
500
G
G
G
Guaranteed Monotonic Above I
MAX
/16
R
ILIMIT
= 0
R
ILIMIT
= 10k
±
1%
R
ILIMIT
= 33k
±
1%
R
ILIMIT
= Open (or Short to V
DD
)
10
bits
mA
mA
mA
mA
mA
mA
mA
mA
mA
μ
A
bits
mV
mV
mV
mV
mV
1
2
4
8
Wake-Up Charging Current (I
WAKE-UP
) (Note 8)
Charging Current Limit (I
MAX
)
80
1023
2046
4092
8184
25
R
ILIMIT
= 0
R
ILIMIT
= 10k
±
1%
R
ILIMIT
= 33k
±
1%
R
ILIMIT
= Open (or Short to V
DD
)
I
SET
R
DS(ON)
I
SET
I
OFF
Charging Voltage Resolution
Charging Voltage Granularity
V
ISET
= 2.7V
Guaranteed Monotonic (2.5V
V
BAT
21V)
R
VLIMIT
= 0
R
VLIMIT
= 10k
±
1%
R
VLIMIT
= 33k
±
1%
R
VLIMIT
= 100k
±
1%
R
VLIMIT
= Open (or Short to V
DD
)
R
VLIMIT
= 0
R
VLIMIT
= 10k
±
1%
R
VLIMIT
= 33k
±
1%
R
VLIMIT
= 100k
±
1%
R
VLIMIT
= Open (or Short to V
DD
)
(Note 2)
G
1
10
16
16
32
32
32
Charging Voltage Limit
G
G
G
G
8.33
12.50
16.67
20.82
8.432
12.64
16.864
21.056
32.736
8.485
12.72
16.97
21.18
V
V
V
V
V
Logic Levels (Note 12)
SCL/SDA Input Low Voltage (V
IL
)
SCL/SDA Input High Voltage (V
IH
)
SDA Output Low Voltage (V
OL
)
SCL/SDA Input Current (I
IL
)
SCL/SDA Input Current (I
IH
)
INTB Output Low Voltage (V
OL
)
INTB Output Pull-Up Current
CHGEN Output Low Voltage (V
OL
)
CHGEN Output High Voltage (V
OH
)
SDB Shutdown Threshold
SDB Pin Current
Power-On Reset Duration
G
0.6
V
V
V
G
1.4
I
PULLUP
= 350
μ
A
V
SDA
, V
SCL
= V
IL
V
SDA
, V
SCL
= V
IH
I
PULLUP
= 500
μ
A
V
INTB
= V
OL
I
OL
= 200
μ
A
I
OH
= –200
μ
A
G
0.4
1
1
0.4
17.5
0.4
G
μ
A
μ
A
V
μ
A
V
V
V
μ
A
μ
s
G
G
G
3.5
10
G
G
V
DD
– 0.4
G
1
2
8
0V
V
SDB
3V
V
DD
Ramp from 0V to > 3V in < 5
μ
s
100
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