參數(shù)資料
型號(hào)： MAX1898EUB41
廠(chǎng)商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 電源管理
英文描述： Linear Charger for Single-Cell Li Battery
中文描述： 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
封裝： MICRO MAX PACKAGE-10
文件頁(yè)數(shù)： 3/12頁(yè)
文件大?。?/td> 210K
代理商： MAX1898EUB41
M
Linear Charger for Single-Cell Li+ Battery
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 8V, V
BATT
= 4V, EN/OK = open, RSET = 2.8k
, RSTRT = GND,
T
A
= 0
°
C to +85
°
C
, unless otherwise noted. Typical values are
at T
A
= +25
°
C.)
PARAMETER
CONDITIONS
MIN
3.5
TYP
MAX
7
UNITS
V
Maximum Voltage (V
IN
- V
DRV
)
V
BATT
= 3.5V
V
BATT
Restart Threshold (As a
Percentage of Voltage-Loop Set
Point)
RSTRT = GND
92
95.25
98
%
RSTRT Internal Resistance
CURRENT LOOP
Internal Current-Sense Resistance
RMS Charge Current
Current-Sense Amplifier Gain, I
SET
to I
IN
Fast Charge
Current-Sense Amplifier Gain, I
SET
to I
IN
Prequal
100
k
IN to CS pin-to-pin resistance
50
105
200
1.4
m
A
I
CS
= 500mA, V
SET
= 1.4V
0.95
1
1.05
mA/A
I
CS
= 50mA, V
ISET
= 0.14V,
V
BATT
= 2V
RSET = 2.8k
, V
BATT
= 3.5V, closed-loop
performance
V
DRV
/
V
ISET
I
LOAD
falling, RSET = 2.8k
I
LOAD
rising, RSET = 2.8k
0.73
1
1.30
mA/A
Current-Loop Regulation Set Point
450
500
550
mA
Current-Loop Gain
26
20
22
dB
15
17
25
27
CHG
Trip Threshold (As a
Percentage of Full Load Current)
%
TIMER FUNCTION
Timer Source/Sink Current
Timer Accuracy
CHG
Output Low Current
CHG
Output High Leakage
CHG
Blink Rate
V
CT
= 0.9V
C
CT
= 100nF for 2 hours, 54 minutes nominal
V
CHG
= 1V
V
CHG
= 12V
Fault state (50% duty cycle), CT = 100nF
5
μA
%
mA
μA
Hz
-10
4
+10
6
1
2
5
1
1.5
ELECTRICAL CHARACTERISTICS
(V
IN
= 8V, V
BATT
= 4V, EN/OK = open, RSET = 2.8k
, RSTRT = GND,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.)
PARAMETER
CONDITIONS
MIN
4.5
MAX
12
UNITS
V
Supply Voltage Range
Input OK Trip Point, IN Rising
(V
IN
- V
BATT
)
Input OK Trip Point, IN Falling
(V
IN
- V
BATT
)
V
IN
Input OK Trip Point, IN Rising
V
IN
Input OK Trip Point, IN Falling
EN/OK Sink Current (When Input
Power Not OK)
EN/OK Source Current (When Input
Power OK)
EN/OK Logic Input High
EN/OK Logic Input Low
45
100
mV
30
85
mV
4.0
3.9
4.5
4.4
V
V
V
IN
= 3.9V, V
BATT
= 4V, V
EN/OK
= 0.8V
100
μA
V
EN/OK
= 2V
5
20
μA
4.5V
≤
V
IN
≤
12V
4.5V
≤
V
IN
≤
12V
2
V
V
0.6
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1898EUB41+ 功能描述:電池管理 Linear Charger for 1-Cell Li+ Battery RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX1898EUB41+T 功能描述:電池管理 Linear Charger for 1-Cell Li+ Battery RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX1898EUB41-T 功能描述:電池管理 Linear Charger for 1-Cell Li+ Battery RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX1898EUB42 功能描述:電池管理 Linear Charger for 1-Cell Li+ Battery RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX1898EUB42+ 功能描述:電池管理 Linear Charger for 1-Cell Li+ Battery RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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