參數(shù)資料
型號： LTC4052EMS8E-4.2
廠商： Linear Integrated Systems
英文描述： Lithium-Ion Battery Pulse Charger with Overcurrent Protection
中文描述： 鋰離子電池脈沖充電器與過流保護
文件頁數(shù)： 2/8頁
文件大?。?/td> 166K
代理商： LTC4052EMS8E-4.2
LTC4052-4.2
2
405242i
Input Supply Voltage (V
IN
)....................................... 12V
BAT Voltage...............................................–0.3V to 12V
GATE (Note 2) .............................................–0.3V to 8V
SENSE, TIMER..................................–0.3V to V
IN
+0.3V
CHRG, ACPR .............................................–0.3V to 12V
SENSE, BAT Peak Current ...................................... 1.5A
Operating Temperature Range (Note 3).. –40
°
C to 85
°
C
Junction Temperature (Note 4).............................125
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
MS8 PART MARKING
LTYY
T
= 125
°
C,
θ
= 35
°
C/W
EXPOSED PAD IS GROUND.
(MUST BE SOLDERED TO PCB).
ABSOLUTEW
(Note 1)
W
W
U
PACKAGE/ORDER IU
U
W
SYMBOL
V
IN
I
IN
V
BAT
PARAMETER
Supply Voltage
Supply Current
Battery Float Voltage
CONDITIONS
Wall Adapter Open Circuit Voltage
Fast Charge Mode
0
°
C
≤
T
A
≤
85
°
C
MIN
4.5
TYP
MAX
10
1.4
4.242
4.242
4.110
4.110
225
120
34
2.55
0.7
0.5
UNITS
G
V
G
0.7
4.200
4.200
4.050
4.050
150
105
24
2.45
0.45
0.35
6.5
10.5
mA
4.158
4.137
3.990
3.969
75
90
14
2.35
V
V
V
V
G
V
RECHRG
Recharge Battery Voltage Threshold
Battery Voltage Falling 0
°
C
≤
T
A
≤
85
°
C
G
V
MARGIN
V
IMAX
I
TRICKL
V
TRICKL
R
DS(ON)
V
BAT
– V
RECHRG
Margin
Overcurrent Trip Voltage
Trickle Charge Current
Trickle Charge Trip Threshold
Internal Switch On-Resistance
G
mV
mV
mA
G
V
BAT
= 2V
V
BAT
Rising
V
BAT
= 2.6V
V
BAT
= 4V
V
BAT
= 2.6V
V
BAT
= 4V
C
TIMER
= 0.1
μ
F, Fast Charge Mode
V
BAT
= 4V, V
IN
= 0V
(V
IN
– V
BAT
) Low to High
(V
IN
– V
BAT
) High to Low
I
ACPR
= 3mA
V
IN
= 0, V
ACPR
= 6V
I
CHRG
= 3mA, Charging,
C
/10 Not Reached
V
IN
= 0, V
CHRG
= 6V
V
CHRG
= 1V, Charging,
C
/10 Reached
G
G
V
V
V
%
μ
A
mV
mV
V
GATE
GATE Pin Voltage
T
TIMER
I
LEAK
V
SLEEP
TIMER Period Accuracy
Battery Leakage Through Charger
Sleep Threshold
±
10
1
70
G
20
0
45
15
0.5
V
ACPR
I
LEAKACPR
V
CHRG
I
LEAKCHRG
I
CHRG
T
SHDN
T
SHDN
ACPR Pin Output Low Voltage
ACPR Pin Leakage Current
CHRG Pin Output Low Voltage
CHRG Pin Leakage Current
CHRG Pin Pull-Down Current
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
G
0.8
1
0.8
1
70
V
G
μ
A
V
μ
A
μ
A
°
C
°
C
G
0.5
G
20
40
140
5
ORDER PART
NUMBER
LTC4052EMS8E-4.2
1
2
3
4
8
7
6
5
TOP VIEW
MSE EXPOSED PAD PACKAGE
8-LEAD PLASTIC MSOP
BAT
GATE
CHRG
TIMER
SENSE
ACPR
V
IN
GND
Consult LTC Marketing for parts specified with wider operating temperature ranges.
DC ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
IN
= 6V unless otherwise noted.
The
G
denotes the specifications which apply over the full operating
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LTC4053EDD-4.2#PBF 功能描述:IC CHARGER BATTERY USB 10-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標準包裝:61 系列:- 功能:電源管理 電池化學:鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:4.35 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:22-WFDFN 裸露焊盤 供應商設備封裝:22-DFN（6x3）裸露焊盤 包裝:管件
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