參數(shù)資料
型號(hào): BQ24901
英文描述: Fast Recovery Bridge Rectifiers
中文描述: 單細(xì)胞Li-Ion/Li-Pol脫機(jī)應(yīng)用充電器(小方控制)采用TSSOP - 14
文件頁數(shù): 7/16頁
文件大?。?/td> 227K
代理商: BQ24901
SLUS527
DECEMBER 2002
7
www.ti.com
APPLICATION INFORMATION
The bq24901 supports a precision current and voltage regulated li-ion charging system suitable for single-cells.
Figure 1 shows the typical application diagram, Figure 2 shows a typical charge profile, and Figure 3 shows an
operational flow chart.
UDG
02180
COUT
RS
5
11
10
14
13
1
2
3
OPTD
VCC
SCOMP
VCOMP
CC
BAT
TS
VREF
4
ICOMP
9
VSS
bq24901
6
STAT1
7
STAT2
12
SNS
TADJ
8
C1
+
VCC
L1
D1
C3
D2
XMFR
PRIMARY
SIDE
CONTROLLER
OPTO1
N3
N1
N2
BATTERY PACK
Q1
OPTO1
VCC
VCC
Figure 1. Typical Application Diagram
Regulation Voltage
Regulation Current
Minimum Charge Voltage
Pre-Conditioning
and Taper Detect
Fast Charge Timer
Pre-Charge
Timer
Current Regulation Phase
Voltage Regulation Phase
Charge
Voltage
Charge
Current
Figure 2. Typical Charge Profile
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BQ24901PWG4 功能描述:電池管理 1Cell Li-Ion 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
BQ24901PWR 功能描述:電池管理 1Cell Li-Ion 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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