參數資料
型號: MAX4377HAUA
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 電源管理
英文描述: Single/Dual/Quad High-Side Current-Sense Amplifiers with Internal Gain
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: MICRO MAX PACKAGE-8
文件頁數: 8/9頁
文件大小: 223K
代理商: MAX4377HAUA
M
Single/Dual/Quad High-Side Current-Sense
Amplifiers with Internal Gain
8
_______________________________________________________________________________________
monitor. This is useful for implementing either smart
battery packs or fuel gauges.
Current Source Circuit
Figure 3 shows a block diagram using the MAX4376
with a switching regulator to make a current source.
R
SENSE
V
SOURCE
0 TO +28V
+3V TO +28V
RGD
V
OUT
I
RG1
I
RGD
I
LOAD
R
G1
R
G2
RS-
RS+
OUT
GND
TO LOAD BATTERY
V
CC
CURRENT
MIRROR
A1
MAX4376
A
= 2, 5,
OR 10
OUT
Figure 1. Functional Diagram
R
SENSE
+3V TO +28V
V
CC
BATTERY
MAX4377
SYSTEM
AND
CHARGER
OUT2
RS1+
RS1-
OUT1
RS2-
RS2+
Figure 2. Bidirectional Current Monitor
FULL-SCALE LOAD
CURRENT, I
LOAD
(A)
CURRENT-SENSE
RESISTOR, R
SENSE
(m
)
GAIN (+V/V)
FULL-SCALE OUTPUT VOLTAGE
(FULL-SCALE V
SENSE
= 100 mV),
V
OUT
(V)
0.1
1000
20
50
100
20
50
100
20
50
100
20
50
100
2.0
5.0
10.0
2.0
5.0
10.0
2.0
5.0
10.0
2.0
5.0
10.0
1
100
5
20
10
10
Table 1. Recommended Component Values
相關PDF資料
PDF描述
MAX4377TASA Single/Dual/Quad High-Side Current-Sense Amplifiers with Internal Gain
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相關代理商/技術參數
參數描述
MAX4377HAUA+ 功能描述:電流靈敏放大器 High-Side Current-Sense Amp RoHS:否 制造商:Texas Instruments 通道數量: 共模抑制比(最小值):110 dB 輸入補償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel
MAX4377HAUA+T 功能描述:電流靈敏放大器 High-Side Current-Sense Amp RoHS:否 制造商:Texas Instruments 通道數量: 共模抑制比(最小值):110 dB 輸入補償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel
MAX4377HAUA-T 功能描述:特殊用途放大器 RoHS:否 制造商:Texas Instruments 通道數量:Single 共模抑制比(最小值): 輸入補償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel
MAX4377HEUA 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX4377TASA 功能描述:特殊用途放大器 RoHS:否 制造商:Texas Instruments 通道數量:Single 共模抑制比(最小值): 輸入補償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel