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參數(shù)資料
| 型號(hào)： | MAX1879 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Simple, Efficient, 1-Cell Li+ Pulse Charger |
| 中文描述： | 簡(jiǎn)單、高效率、1節(jié)Li+電池脈沖充電器 |
| 文件頁(yè)數(shù)： | 2/11頁(yè) |
| 文件大?。?/td> | 198K |
| 代理商： | MAX1879 |
IN,
CHG
, GATE to GND..........................................-0.3V to +26V
BATT, TSEL, THERM, ADJ to GND...........................-0.3V to +6V
GATE to IN................................................................-6V to +0.3V
THERM, ADJ to BATT...............................................-6V to +0.3V
GATE Continuous Current ................................................ -10mA
Continuous Power Dissipation (TA= +70°C)
8-Pin μMAX (derate 4.1mW/°C above +70°C)............ 330mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range............................ -65°C to +150°C
Lead Temperature (soldering, 10s)................................ +300°C
M
Simple, Efficient, 1-Cell Li+ Pulse Charger
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(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.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
PARAMETER
SYMBOL
V
IN
CONDITIONS
MIN
4.4
2.1
TYP
MAX
22
2.3
UNITS
V
V
Input Voltage (Note 1)
Undervoltage Lockout Trip Point
External PMOS FET off
BATT rising
2.2
Undervoltage Lockout Trip-Point
Hysteresis
BATT falling
60
mV
Fast-Charge Qualification
Threshold
BATT rising, transition from precharge to
full current
2.425
2.5
2.575
V
Fast-Charge Restart Threshold
BATT falling, transition from Done to
Prequalification state (Note 2)
3.92
4.00
4.08
V
Fast-Charge Reset Threshold
Delay
(Note 3)
1
ms
Precharge Source Current
BATT Regulation Voltage
BATT Regulation Adjust Range
ADJ Source Impedance
ADJ Output Voltage
V
BATT
= 2V
5
8
12
mA
V
V
k
V
4.1685
4.0
9.8
1.393
4.2000
4.2315
4.2
10.2
1.407
10
No load on ADJ
1.400
BATT Removal Detection
Threshold
BATT rising
4.875
5
5.125
V
BATT Removal Detection
Threshold Hysteresis
BATT falling
125
mV
BATT Input Current (Note 4)
V
IN
≤
V
BATT
- 0.3V
0.1
1.5
μA
BATT Input Current, Fast-Charge
State
I
BATT
V
BATT
= 4.0V
900
1500
μA
BATT Input Current, Done State
I
BATT
V
BATT
= 4.25V, V
IN
present
85
200
μA
IN Input Current, Fast-Charge
State
I
IN
V
BATT
= 4.0V, V
IN
= 4.0V
50
500
μA
IN Input Current, Done State
Timer Accuracy
CHG
Output Leakage Current
CHG
Output Sink Current
I
IN
V
BATT
= 4.25V, V
IN
= 22V
700
1200
+10
+1
6
μA
%
μA
mA
-10
-1
4
V
CHG
= 22V,
CHG
= high
V
CHG
= 1.0V,
CHG
= low
5
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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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