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參數(shù)資料
| 型號(hào)： | MCP73828 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | Single Cell Lithium-Ion Charge Management Controller with Charge Complete Indicator and Temperature Monitor |
| 中文描述： | 單節(jié)鋰離子電池充電管理控制器，充電完畢指示燈和溫度監(jiān)測器 |
| 文件頁數(shù)： | 8/24頁 |
| 文件大?。?/td> | 499K |
| 代理商： | MCP73828 |
MCP73828
DS21706A-page 8
2002 Microchip Technology Inc.
3.0
PIN DESCRIPTION
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1:
Pin Function Table.
3.1
Logic Shutdown (SHDN)
Input to force charge termination, initiate charge, or ini-
tiate recharge.
3.2
Battery Management 0V Reference
(GND)
Connect to negative terminal of battery.
3.3
Cell Temperature Monitor (THERM)
Charging is inhibited when the input is outside the
upper and lower threshold limits. Connection of a
10 k
resistor between THERM and GND disables the
function when cell temperature monitoring is not
required.
3.4
Charge Complete Output (CD10)
Open-drain drive for connection to an LED for charge
complete indication. Alternatively, a pull-up resistor can
be applied for interfacing to a microcontroller. A low
impedance state indicates charging. A high impedance
indicates that the charge current has diminished below
10% of the peak charge current.
3.5
Cell Voltage Monitor Input (V
BAT
)
Voltage sense input. Connect to positive terminal of
battery. Bypass to GND with a minimum of 10 μF to
ensure loop stability when the battery is disconnected.
A precision internal resistor divider regulates the final
voltage on this pin to V
REG
.
3.6
Drive Output (V
DRV
)
Direct output drive of an external P-channel MOSFET
pass transistor for current and voltage regulation.
3.7
Charge Current Sense Input V
SNS
)
Charge current is sensed via the voltage developed
across an external precision sense resistor. The sense
resistor must be placed between the supply voltage
(V
IN
) and the source of the external pass transistor. A
50 m
sense resistor produces a fast charge current of
1 A, typically.
3.8
Battery Management Input Supply
(V
IN
)
A supply voltage of 4.5V to 5.5V is recommended.
Bypass to GND with a minimum of 10 μF.
Pin
Name
Description
1
SHDN
Logic Shutdown
2
GND
Battery Management
0V Reference
3
THERM
Cell Temperature Monitor
4
CD10
Charge Complete Output
5
V
BAT
Cell Voltage Monitor Input
6
V
DRV
Drive Output
7
V
SNS
Charge Current Sense Input
8
V
IN
Battery Management
Input Supply
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCP73828-4.1VUA | 功能描述:電池管理 W/ Charge Comp Mon 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 |
| MCP73828-4.1VUATR | 功能描述:電池管理 W/ Charge Comp Mon 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 |
| MCP73828-4.2VUA | 功能描述:電池管理 W/ Charge Comp Mon 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 |
| MCP73828-4.2VUATR | 功能描述:電池管理 W/ Charge Comp Mon 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 |
| MCP7382XEV | 功能描述:電源管理IC開發(fā)工具 MCP7382X Li-Ion Batt Charger RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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