參數(shù)資料
型號： MAX4070ATA+T
廠商： Maxim Integrated Products
文件頁數(shù)： 1/18頁
文件大?。?/td> 0K
描述： IC AMP CURRENT SENSE 8-TDFN
其它有關(guān)文件： Automotive Product Guide
產(chǎn)品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 2,500
放大器類型： 電流檢測
電路數(shù)： 1
-3db帶寬： 100kHz
電流 - 輸入偏壓： 2.4µA
電壓 - 輸入偏移： 80µV
電流 - 電源： 100µA
電壓 - 電源，單路/雙路(±)： 3.6 V ~ 24 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 8-WDFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 8-TDFN-EP（3x3）
包裝： 帶卷 (TR)
AVAILABLE
Functional Diagrams
Pin Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
General Description
The MAX4069–MAX4072 low-cost, bidirectional, high-
side, current-sense amplifiers are ideal for monitoring
battery charge and discharge currents in notebooks,
cell phones, and other portable equipment. They fea-
ture up to 24V input common-mode voltage range, low
100A supply current (which drops to only 10A in
shutdown), and a total output error of less than 1.5%.
The wide 1.35V to 24V input common-mode range is
independent of the supply voltage, ensuring that the
current-sense feedback remains accurate even when
connected to a battery pack in deep discharge.
To achieve maximum flexibility, an external current-sense
resistor is used along with a Gain Select pin to choose
either 50V/V or 100V/V. A single output pin continuously
monitors the transition from charge to discharge and
avoids the need for a separate polarity output. The
MAX4070 contains an internal 2.5V reference. The
charging current is represented by an output voltage
from 2.5V to VCC, while discharge current is given from
2.5V to GND. The MAX4071 is similar, but with a refer-
ence voltage of 1.5V. The MAX4069 has an adjustable
reference voltage, set by two external resistors. The
MAX4072 has an input for an external reference.
The MAX4069/MAX4071/MAX4072 operate from a 2.7V to
24V single supply. The MAX4070 operates from a 3.6V to
24V single supply. All devices are specified over the
automotive operating temperature range, -40°C to
+125°C. The MAX4070/MAX4071/MAX4072 are available
in 8-pin MAX and 8-pin thin QFN packages. The
MAX4069 is available in a 10-pin MAX package.
Applications
Notebook Fuel Gauging
Smart-Battery Packs/Chargers
Motor Control
Power-Management Systems
Cell-Phone Battery-Current Monitoring
Features
Bidirectional, Compact, Current-Sense Solution
Total Output Error Less than 1.5%
Selectable Gain of 50V/V or 100V/V
Wide 1.35V to 24V Common-Mode Range
Independent of Supply Voltage
2.7V to 24V Single-Supply Operation
Internal Precision Reference
Adjustable (MAX4069)
2.50V (MAX4070)
1.50V (MAX4071)
Low 100A Supply Current
10A Supply Current in Shutdown
Available in Space-Saving Packages
8-Pin Thin QFN (MAX4070/MAX4071/MAX4072)
8-Pin MAX (MAX4070/MAX4071MAX4072)
10-Pin MAX (MAX4069)
Bidirectional, High-Side, Current-Sense
Amplifiers with Reference
Ordering Information
MAX4070
VBATT = 1.35V TO 24V
VCC = 3.6V TO 24V
FROM BATTERY
CHARGER
RSENSE
LOAD
TO ADC
2.5V
VCC
GSEL
GND
RS-
RS+
REFOUT
OUT
SHDN
Typical Operating Circuit
PART
TEMP RANGE
PIN-PACKAGE
TOP
MARK
MAX4069
AUB -40°C to +125°C 10 MAX
—
MAX4070
AUA -40°C to +125°C 8 MAX
—
MAX4070ATA
-40°C to +125°C 8 Thin QFN-EP*
ABN
MAX4071
AUA -40°C to +125°C 8 MAX
—
MAX4071ATA
-40°C to +125°C 8 Thin QFN-EP*
ABO
MAX4072
AUA -40°C to +125°C 8 MAX
—
MAX4072ATA
-40°C to +125°C 8 Thin QFN-EP*
ABP
Pin Configurations and Selector Guide appear at end of
data sheet.
*
EP = Exposed pad.
MAX is a registered trademark of Maxim Integrated Products, Inc.
Typical Operating Circuit
19-2423; Rev 3; 11/08
MAX4069–MAX4072
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MAX4070AUA 功能描述:電流靈敏放大器 Bidirectional High Side Crnt-Sense Amp RoHS:否 制造商:Texas Instruments 通道數(shù)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
MAX4070AUA+ 功能描述:電流靈敏放大器 Bidirectional High Side Crnt-Sense Amp RoHS:否 制造商:Texas Instruments 通道數(shù)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
MAX4070AUA+T 功能描述:電流靈敏放大器 Bidirectional High Side Crnt-Sense Amp RoHS:否 制造商:Texas Instruments 通道數(shù)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
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