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參數(shù)資料
| 型號： | ISL6298CR4Z-T |
| 廠商： | INTERSIL CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Li-ion/Li-Polymer Battery Charger |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC16 |
| 封裝： | 4 X 4 MM, LEAD FREE, PLASTIC, MO-220-VGGC, QFN-16 |
| 文件頁數(shù)： | 7/17頁 |
| 文件大?。?/td> | 445K |
| 代理商： | ISL6298CR4Z-T |
7
FN9173.3
July 20, 2005
Pin Description
VIN (Pin 1, 15, 16 for 4x4; Pin 1 for 3x3)
VIN is the input power source. Connect to a wall adapter.
Fault (Pin 2)
FAULT is an open-drain output indicating fault status. This
pin is pulled to LOW under any fault conditions.
Status (Pin 3)
STATUS is an open-drain output indicating charging and
inhibit states. The STATUS pin is pulled LOW when the
charger is charging a battery.
Time (Pin 4)
The TIME pin determines the oscillation period by
connecting a timing capacitor between this pin and GND.
The oscillator also provides a time reference for the charger.
GND (Pin 5)
GND is the connection to system ground.
TOEN (Pin 6 for 4x4; N/A for 3x3)
TOEN is the TIMEOUT enable input pin. Pulling this pin to
LOW disables the TIMEOUT function. Leaving this pin HIGH
or floating enables the TIMEOUT limit. For the 3x3 DFN
package, this pin is left floating internally.
EN (Pin 7 for 4x4; Pin 6 for 3x3)
EN is the enable logic input. Connect the EN pin to LOW to
disable the charger or leave it floating to enable the charger.
V2P8 (Pin 8 for 4x4; Pin 7 for 3x3)
This is a 2.8V reference voltage output. This pin outputs a
2.8V voltage source when the input voltage is above POR
threshold and outputs zero otherwise. The V2P8 pin can be
used as an indication for adapter presence.
IREF
(Pin 9 for 4x4; Pin 8 for 3x3)
This is the programming input for the constant charging
current.
IMIN (Pin 10 for 4x4; N/A for 3x3)
IMIN is the programmable input for the end-of-charge
current. For the 3x3 DFN package, this pin is shorted to the
V2P8 pin internally.
TEMP (Pin 11 for 4x4; Pin 9 for 3x3)
TEMP is the input for an external NTC thermistor. The TEMP
pin is also used for battery removal detection.
VBAT (Pin 12, 13, 14 for 4x4; Pin 10 for 3x3)
VBAT is the connection to the battery. Typically a 10
μ
F
Tantalum capacitor is needed for stability when there is no
battery attached. When a battery is attached, only a 1
μ
F
ceramic capacitor is required.
Typical Applications
4x4 QFN Package Options
FIGURE 16. TYPICAL APPLICATION CIRCUIT FOR THE 4x4 QFN PACKAGE OPTIONS
V2P8
TIME
EN
GND
VBAT
IREF
FAULT
VIN
5V Wall
Adapter
Battery
Pack
IMIN
TEMP
STATUS
ISL6298
V2P8
TOEN
T
C
1
F
μ
1
R
1
500
R
2
C
2
1
F
μ
R
T
R
U
F
μ
1
C
3
R
IREF
80
k
C
TIME
nF
15
D
1
D
2
R
IMIN
k
80
500
ISL6298
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| ISL6298EVAL1 | 功能描述:EVALUATION BOARD 1 ISL6298 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
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