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参数资料
| 型号： | MC33341D |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 电源管理 |
| 英文描述： | POWER SUPPLY BATTERY CHARGER REGULATION CONTROL CIRCUIT |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | PLASTIC, SOIC-8 |
| 文件页数： | 13/20页 |
| 文件大小： | 369K |
| 代理商： | MC33341D |
MC33341
13
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 low–side current sensing allowing common paths for both power and
ground, between the source and load. The Noninverting input paths, Pins 1 and 4, 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 negative substratecurrent to less than
20 mA. Excessively large values for R3 will degrade the current sensing accuracy.
Vreg
Vth(V)
R2
R1
1
1.2
R2
R1
1
Ireg
Vth(I LS
)
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 19. Load Low–Side Current Sensing with
Internally Fixed Current and Voltage Thresholds
相关PDF资料 |
PDF描述 |
|---|---|
| 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 |
| MC33348D-1 | LITHIUM BATTERY PROTECTION CIRCUIT FOR ONE CELL SMART BATTERY PACKS |
| MC33348D-2 | LITHIUM BATTERY PROTECTION CIRCUIT FOR ONE CELL SMART BATTERY PACKS |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MC33341DG | 功能描述:电池管理 2.3-15V Power Supply Charger w/Regulation RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MC33341DR2 | 功能描述:电池管理 2.3-15V Power Supply RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MC33341DR2G | 功能描述:电池管理 2.3-15V Power Supply Charger w/Regulation RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MC33341P | 功能描述:电池管理 2.3-15V Power Supply RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MC33341PG | 功能描述:电池管理 2.3-15V Power Supply Charger w/Regulation RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
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