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Datasheet MAX4210, MAX4211 (Maxim)

ПроизводительMaxim
ОписаниеHigh-Side Power and Current Monitors
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EVALUATION KITS. AVAILABLE. High-Side Power and. Current Monitors. MAX4210/MAX4211. General Description. Features

Datasheet MAX4210, MAX4211 Maxim

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19-3285; Rev 1; 5/05
EVALUATION KITS AVAILABLE High-Side Power and Current Monitors MAX4210/MAX4211 General Description Features
The MAX4210/MAX4211 low-cost, low-power, high-side ♦
Real-Time Current and Power Monitoring
power/current monitors provide an analog output volt- ♦
±1.5% (max) Current-Sense Accuracy
age proportional to the power consumed by a load by multiplying load current and source voltage. The ♦
±1.5% (max) Power-Sense Accuracy
MAX4210/MAX4211 measure load current by using a ♦
Two Uncommitted Comparators (MAX4211)
high-side current-sense amplifier, making them espe- ♦
1.21V Reference Output (MAX4211)
cially useful in battery-powered systems by not interfer- ♦
Three Current/Power Gain Options
ing with the ground path of the load. ♦
100mV/150mV Current-Sense Full-Scale Voltage
The MAX4210 is a small, simple 6-pin power monitor intended for limited board space applications. The ♦
+4V to +28V Input Source Voltage Range
MAX4210A/B/C integrate an internal 25:1 resistor-divider ♦
+2.7V to +5.5V Power-Supply Voltage Range
network to reduce component count. The MAX4210D/E/F ♦
Low Supply Current: 380µA (MAX4210)
use an external resistor-divider network for greater design ♦
220kHz Bandwidth
flexibility. ♦
Small 6-Pin TDFN and 8-Pin µMAX Packages
The MAX4211 is a full-featured current and power mon- itor. The device combines a high-side current-sense
(MAX4210)
amplifier, 1.21V bandgap reference, and two compara-
Ordering Information
tors with open-drain outputs to make detector circuits for overpower, overcurrent, and/or overvoltage condi-
TOP
tions. The open-drain outputs can be connected to
PART TEMP RANGE PIN-PACKAGE MARK
potentials as high as 28V, suitable for driving high-side 6 TDFN-6-EP* switches for circuit-breaker applications.
MAX4210
AETT-T -40°C to +85°C AHF (3mm x 3mm) Both the MAX4210/MAX4211 feature three different cur- MAX4210AEUA -40°C to +85°C 8 µMAX — rent-sense amplifier gain options: 16.67V/V, 25.00V/V, and 40.96V/V. The MAX4210 is available in 3mm x 3mm, 6-pin *EP = Exposed paddle. TDFN and 8-pin µMAX® packages and the MAX4211 is
Ordering Information continued at end of data sheet.
available in 4mm x 4mm, 16-pin thin QFN and 16-pin TSSOP packages. Both parts are specified for the -40°C
Functional Diagrams
to +85°C extended operating temperature range. + VSENSE -
Applications
RSENSE 4V TO + LOAD 28V - Overpower Circuit Breakers RS+ RS- VCC Smart Battery Packs/Chargers 2.7V TO + 5.5V - Smart Peripheral Control IOUT Short-Circuit Protection 25:1 POUT Power-Supply Displays Measurement Instrumentation 1.21V REF REFERENCE Baseband Analog Multipliers INHIBIT CIN1+ VGA Circuits COUT1 CIN1- Power-Level Detectors LE CIN2+ COUT2 µMAX is a registered trademark of Maxim Integrated Products, Inc. CIN2- MAX4211A MAX4211B MAX4211C GND
Pin Configurations and Selector Guide appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
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