參數(shù)資料
型號： MAX1879
廠商： Maxim Integrated Products, Inc.
英文描述： Simple, Efficient, 1-Cell Li+ Pulse Charger
中文描述： 簡單、高效率、1節(jié)Li+電池脈沖充電器
文件頁數(shù)： 3/11頁
文件大小： 198K
代理商： MAX1879
M
Simple, Efficient, 1-Cell Li+ Pulse Charger
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
CHG
= +10V, V
BATT
= +4.2V, TSEL = GND, GATE = unconnected, ADJ = unconnected, THERM = 10k
to GND,
T
A
= 0
°
C to
+85
°
C
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
THERM Sense Current (for hot
qualification)
346
352.9
360
μA
THERM Sense Current (for cold
qualification)
47.8
48.8
49.8
μA
THERM Sense Voltage Trip Point
GATE Source Current
GATE Sink Current
1.379
75
19
1.40
100
25
1.421
125
31
V
μA
μA
V
IN
= 10V, V
GATE
= 8V
V
IN
= 10V, V
GATE
= 8V
GATE Drive Current at Battery
Removal
V
BATT
= 5.1V, gate driven high
18
40
60
mA
ELECTRICAL CHARACTERISTICS
(V
IN
= V
CHG
= +10V, V
BATT
= +4.2V, TSEL = GND, GATE = unconnected, ADJ = unconnected, THERM = 10k
to GN
, TA
= -40
°
C to
+85
°
C
, unless otherwise noted.) (Note 5)
PARAMETER
SYMBOL
V
IN
CONDITIONS
MIN
4.6
2.05
MAX
22
2.35
UNITS
V
V
Input Voltage (Note 1)
Undervoltage Lockout Trip Point
External PMOS FET off
BATT rising
Fast-Charge Qualification
Threshold
BATT rising, transition from precharge to
full current
2.35
2.65
V
Fast-Charge Restart Threshold
BATT falling, transition from Done to
Prequalification state (Note 2)
3.88
4.12
V
Precharge Source Current
BATT Regulation Voltage
BATT Regulation Adjust Range
ADJ Source Impedance
ADJ Output Voltage
V
BATT
= 2V
4.5
12
mA
V
V
k
V
4.137
4.263
4.0
9.8
1.383
4.2
10.2
1.417
No load on ADJ
BATT Removal Detection
Threshold
BATT rising
4.85
5.15
V
BATT Input Current (Note 4)
V
IN
≤
V
BATT
- 0.3V
1.5
μA
BATT Input Current, Fast-Charge
State
I
BATT
V
BATT
= 4.0V
1500
μA
BATT Input Current, Done State
I
BATT
V
BATT
= 4.25V, V
IN
present
300
μA
IN Input Current, Fast-Charge
State
I
IN
V
BATT
= 4.0V, V
IN
= 4.0V
600
μA
IN Input Current, Done State
CHG
Output Leakage Current
CHG
Output Sink Current
I
IN
V
BATT
= 4.25V, V
IN
= 22V
V
CHG
= 22V,
CHG
= high
V
CHG
= 1.0V,
CHG
= low
1500
+1
6
μA
μA
mA
-1
4
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MAX1879EUA 功能描述:電池管理 1-Cell Li+ Pulse Charger RoHS:否 制造商:Texas Instruments 電池類型: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
MAX1879EUA+ 功能描述:電池管理 1-Cell Li+ Pulse Charger RoHS:否 制造商:Texas Instruments 電池類型: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
MAX1879EUA+T 功能描述:電池管理 1-Cell Li+ Pulse Charger RoHS:否 制造商:Texas Instruments 電池類型: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
MAX1879EUA-T 功能描述:電池管理 1-Cell Li+ Pulse Charger RoHS:否 制造商:Texas Instruments 電池類型: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
MAX1879EVKIT 制造商:Maxim Integrated Products 功能描述:SMALLEST, SIMPLE 1-CELL LI- PULSE CHARGER WIT - Bulk
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