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參數(shù)資料
| 型號： | MAX8808XETA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1A Linear Li+ Battery Chargers with Integrated Pass FET and Thermal Regulation in 2mm x 2mm TDFN |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO8 |
| 封裝： | 2 X 2 MM, 0.80 HEIGHT, MO-229, TDFN-8 |
| 文件頁數(shù)： | 5/13頁 |
| 文件大?。?/td> | 236K |
| 代理商： | MAX8808XETA |
M
1A Linear Li+ Battery Chargers with Integrated Pass
FET and Thermal Regulation in 2mm x 2mm TDFN
_______________________________________________________________________________________
5
Pin Description
PIN
NAME
FUNCTION
1
IN
Input Supply Voltage. Bypass IN to GND with a 1μF or larger ceramic capacitor to improve line
noise and input transient rejection.
2
VL
Internally Generated Logic Supply for IC. Bypass VL to GND with a 0.47μF ceramic capacitor.
3
GND
Ground. Connect GND and exposed pad to a large copper ground plane for maximum power
dissipation. Connect GND to the exposed paddle directly under the IC.
4
ISET
Charge-Current Program and Fast-Charge Current Monitor. Output current from ISET is 1.08mA
per amp of battery charging current. Set the charging current by connecting a resistor from ISET
to GND. Fast-charge current = 1302V / R
ISET
.
5
CHG
Charging Indicator.
CHG
is an open-drain output that goes low (LED capable) when charging
begins.
CHG
is high impedance when the battery current drops below 10% of the fast-charging
current, or when the IC is disabled. Connect a pullup resistor to the μP’s I/O voltage when
interfacing with a μP logic input.
EN
(MAX8808X/
MAX8808Z)
Logic-Level Enable Input. Drive
EN
high to disable charger. Pull
EN
low or leave unconnected for
normal operation.
EN
has an internal 200k
pulldown resistor.
6
EN
(MAX8808Y)
Logic-Level Enable Input. Drive EN low to disable charger. Pull EN high for normal operation. EN
has no internal pullup or pulldown resistor.
7
ACOK
Input Status Indicator.
ACOK
is an open-drain output that asserts low when V
IN
< +7V and (V
IN
–
V
BATT
)
≥
40mV.
ACOK
requires an external 100k
pullup resistor.
ACOK
is high impedance
during shutdown.
8
BATT
Li+ Battery Connection. Bypass BATT to GND with a ceramic capacitor of at least 2.2μF per
ampere of charge current.
—
EP
Exposed Paddle. Connect the exposed paddle to a large ground plane for maximum power
dissipation. Connect GND to the exposed paddle directly under the IC.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX8808XETA+ | 制造商:Maxim Integrated Products 功能描述:CHRGR LI-ION/LI-POL 1000MA 4.2V 8TDFN EP - Rail/Tube |
| MAX8808XETA+T | 功能描述:電池管理 1A Linear Li+ Battery 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 |
| MAX8808XETA+TG104 | 功能描述:電池管理 1A Linear Li+ Battery 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 |
| MAX8808XETA-T | 功能描述:電池管理 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 |
| MAX8808YETA | 制造商:Maxim Integrated Products 功能描述:1A LINEAR LI+ BATT CHRGRS W. INTEG - Rail/Tube |
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