參數(shù)資料
型號(hào)： MC33341
廠商： Motorola, Inc.
英文描述： Power Supply Battery Charger Regulation Control Circuit(應(yīng)用于電源和電池充電器的穩(wěn)壓控制電路)
中文描述： 電源電池充電器規(guī)控制電路（應(yīng)用于電源和電池充電器的穩(wěn)壓控制電路）
文件頁(yè)數(shù)： 11/20頁(yè)
文件大?。?/td> 369K
代理商： MC33341
MC33341
11
MOTOROLA ANALOG IC DEVICE DATA
R3
Load
R1
Battery or
Resistive
Load
Source
Return
Source
R2
RS
Comp
The above figure shows the MC33341 configured for load high–side current sensing allowing common paths for both power
and ground, between the source and load. The Differential Amplifier inputs, Pins 1 and 6, are used to sense the load induced
voltage drop that appears across resistor RS. The internal voltage and current regulation thresholds are selected by the
respective external connections of Pins 2 and 6. Resistor R3 is required in applications where high peak levels of load current
are possible from the battery or load bypass capacitor. The resistor value should be chosen to limit the input current of the
internal VCC clamp diode to less than 20 mA. Excessively large values for R3 ill degrade the current sensing accuracy.
Vreg
Vth(V)
R2
R1
1
1.2
R2
R1
1
Ireg
Vth(I HS)
RS
0.2
RS
R3
IpkRS
– 0.6
0.02
V
I
Load
8
7
6
5
1
2
3
4
R
R
R
R
R
VCC
VCC
VCC
VCC
VCC
VCC
0.4 V
1.2 V
R
0.2 V
VCC
0.2 V
0.4 V 1.2 V
VCC
1.2 V
VCC
Inverting Amp
Transconductance
Amp
Differential Amp
Disable Logic
Differential Amp
Opto
Isolator
Vsen
Vth
Isen
Ith
Reference
Figure 17. Load High–Side Current Sensing with
Internally Fixed Current and Voltage Thresholds
相關(guān)PDF資料
PDF描述
MC33341 POWER SUPPLY BATTERY CHARGER REGULATION CONTROL CIRCUIT
MC33341D POWER SUPPLY BATTERY CHARGER REGULATION CONTROL CIRCUIT
MC33341P POWER SUPPLY BATTERY CHARGER REGULATION CONTROL CIRCUIT
MC33348D-1 LITHIUM BATTERY PROTECTION CIRCUIT FOR ONE CELL SMART BATTERY PACKS
MC33348 LITHIUM BATTERY PROTECTION CIRCUIT FOR ONE CELL SMART BATTERY PACKS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC33341D 功能描述:電池管理 2.3-15V Power Supply 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
MC33341DG 功能描述:電池管理 2.3-15V Power Supply Charger w/Regulation 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
MC33341DR2 功能描述:電池管理 2.3-15V Power Supply 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
MC33341DR2G 功能描述:電池管理 2.3-15V Power Supply Charger w/Regulation 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
MC33341P 功能描述:電池管理 2.3-15V Power Supply 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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