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參數(shù)資料
| 型號(hào)： | MAX1925 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 數(shù)字信號(hào)處理 |
| 英文描述： | Fixed-Point Digital Signal Processor 548-FCBGA |
| 中文描述： | 開關(guān)模式單節(jié)Li+電池充電器 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 443K |
| 代理商： | MAX1925 |
M
Switch-Mode 1-Cell Li+ Chargers
_______________________________________________________________________________________
5
Note 1:
When the AC adapter is unplugged or if the charger is shut down, BATT drain is less than 10μA.
Note 2:
These specifications guarantee the thermistor interface detects a fault at the correct temperature (0
°
C to +5
°
C cold temper-
ature and 45
°
C to +50
°
C hot temperature) with Philips NTC Thermistor Series 640-6, 2322-640-63103, 10.0K at +25
°
C, ±5%
(or equivalent).
Note 3:
A fault is generated if V
THRM
lower than 1.4V during the cold test or higher than 1.4V during the hot test. Hot and cold tests
occur on alternate CT clock transitions.
Note 4:
Specifications to -40
°
C are guaranteed by design and not production tested.
ELECTRICAL CHARACTERISTICS (continued)
(V
PGND
= V
GND
= 0, V
INP
= V
IN
= V
CHG
= 5V, V
BATT
= V
CS
= V
EN
= 4V, THRM = 10k
to GND, C
CT
= 100nF,
T
A
= -40
°
C to +85
°
C
,
unless otherwise noted. Typical values are at T
A
= +25
°
C.) (Note 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CHG
Output High Leakage
Current
V
CHG
= 12V
1
μA
ACON
High Leakage
ACON
Sink Current
THERMISTOR MONITOR
V
ACON
= 12V
V
ACON
= 0.4V
1
μA
mA
2
THRM Sense Current for Hot
Qualification
342
363
μA
THRM Sense Current for Cold
Qualification
47.3
50.3
μA
THRM Sense-Voltage Trip Point
(Note 3)
1.379
1.421
V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1925ETC | 功能描述:電池管理 Switch-Mode 1-Cell Li+ 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 |
| MAX1925ETC+ | 功能描述:電池管理 Switch-Mode 1-Cell Li+ 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 |
| MAX1925ETC+T | 功能描述:電池管理 Switch-Mode 1-Cell Li+ 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 |
| MAX1925ETC-T | 功能描述:電池管理 Switch-Mode 1-Cell Li+ 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 |
| MAX1926ETC | 功能描述:電池管理 Switch-Mode 1-Cell Li+ 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 |
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