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參數(shù)資料
| 型號： | MAX8808Y |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 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： | 第1A線性鋰電池充電器采用2mm x 2mm TDFN封裝與集成調(diào)整FET和熱調(diào)節(jié) |
| 文件頁數(shù)： | 7/13頁 |
| 文件大?。?/td> | 236K |
| 代理商： | MAX8808Y |
Thermal Regulation
The thermal-regulation loop limits the MAX8808X/
MAX8808Y/MAX8808Z die temperature to +115°C by
reducing the charge current as necessary. This feature
not only protects the ICs from overheating, but also
allows a higher charge current without risking damage
to the system.
EN
(MAX8808X/MAX8808Z) and EN
(MAX8808Y) Charger Enable Input
The MAX8808X/MAX8808Z contain an active-low logic
input (
EN
) used to enable the charger. Drive
EN
low,
leave floating, or connect to GND to enable the
charge-control circuitry. Drive
EN
high to disable the
charger-control circuitry.
EN
has a 200k
internal pull-
down resistor.
The MAX8808Y contains an active-high enable input
(EN) to enable the charger. Drive EN high to enable the
charge-control circuitry. Drive EN low to disable the
charger-control circuitry. Do not leave EN floating. It
has no internal pullup or pulldown resistor.
ACOK
Output
The open-drain
ACOK
output asserts low when +4.25V
≤
V
IN
≤
+7V and V
IN
- V
BATT
≥
40mV.
ACOK
requires
an external pullup resistor (100k
typ).
ACOK
is high
impedance during shutdown.
M
1A Linear Li+ Battery Chargers with Integrated Pass
FET and Thermal Regulation in 2mm x 2mm TDFN
_______________________________________________________________________________________
7
ASYNCHRONOUS
FROM ANYWHERE
V
IN
> 7V OR
V
BATT
> V
IN
OR
IC DISABLED
SHUTDOWN
CHARGER = OFF
CHG = HIGH
V
I
VAD
V
I
BT
N
I NBE
V
IN
< 7V AND
V
IN
IC ENABLED
BATT
AND
FAST-CHARGE
100% CHARGER CURRENT
CHG = LOW
TOP-OFF
CHG = HIGH
TOP-OFF CONTINUES
TO REGULATE BATT AT
4.2V
I
CHARGE
< 10%
OF I
SET
I
CHARGE
> 20%
OF I
SET
PREQUAL
10% CHARGE CURRENT
CHG = LOW
V
BATT
> 2.5V
V
BATT
< 2.5V
V
BATT
< 2.4V
MAX8808X
MAX8808Y/
MAX8808Z
V
IN
> 7V OR
V
BATT
> V
IN
OR
IC DISABLED
Figure
2. Charge-State Diagram
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX8808Z | 1A Linear Li+ Battery Chargers with Integrated Pass FET and Thermal Regulation in 2mm x 2mm TDFN |
| MAX8808ZETA | Circular Connector; No. of Contacts:13; Series:TVS06; Body Material:Metal; Connecting Termination:Crimp; Connector Shell Size:11; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:11-35 |
| MAX8808XETA | 1A Linear Li+ Battery Chargers with Integrated Pass FET and Thermal Regulation in 2mm x 2mm TDFN |
| MAX881REVKIT | Evaluation Kit for the MAX881R |
| MAX8890EGCBFK | Analog IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX8808YETA | 制造商:Maxim Integrated Products 功能描述:1A LINEAR LI+ BATT CHRGRS W. INTEG - Rail/Tube |
| MAX8808YETA+ | 制造商:Maxim Integrated Products 功能描述:CHRGR LI-ION/LI-POL 1000MA 4.2V 8TDFN EP - Rail/Tube |
| MAX8808YETA+T | 功能描述:電池管理 1A Linear Li+ Batt Chrgrs w. Integ Pass FET & Thermal Reg in 2mmx2mm TDFN 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-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 |
| MAX8808ZETA | 制造商:Maxim Integrated Products 功能描述:1A LINEAR LI+ BATT CHRGRS W. INTEG - Rail/Tube |
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