Product Summary

The MAX471CPA is a complete, bidirectional, highside current-sense amplifier for portable PCs, telephones, and other systems where battery/DC power-line monitoring is critical. High-side power-line monitoring is especially useful in battery-powered systems, since it does not interfere with the ground paths of the battery chargers or monitors often found in smart batteries. The applications of the MAX471CPA include: (1)Portable PCs: Notebooks/Subnotebooks/Palmtops; (2)Smart Battery Packs; (3)Cellular Phones; (4)Portable Phones; (5)Portable Test/Measurement Systems; (6)Battery-Operated Systems; (7)Energy Management Systems.

Parametrics

MAX471CPA absolute maximum ratings: (1)Supply Voltage, RS+, RS-, VCC to GND: -0.3V, +40V; (2)Differential Input Voltage, RG1 to RG2: ±0.3V; (3)Voltage at Any Pin Except SIGN: -0.3V to (VCC + 0.3V); (4)Voltage at SIGN: -0.3V to +40V; (5)Current into SHDN, GND, OUT, RG1, RG2, VCC: ±50mA; (6)Current into SIGN: +10mA, -50mA; (7)Continuous Power Dissipation (TA = +70℃): Plastic DIP (derate 9.09mW/℃ above +70℃): 727mW; (8)SO (derate 5.88mW/℃ above +70℃): 471mW; (9)Operating Temperature Ranges: 0℃ to +70℃; (10)Junction Temperature Range: -60℃ to +150℃; (11)Storage Temperature Range: -60℃ to +160℃; (12)Lead Temperature (soldering, 10sec): +300℃.

Features

MAX471CPA features: (1)Complete High-Side Current Sensing; (2)Precision Internal Sense Resistor (MAX471); (3)2% Accuracy Over Temperature; (4)Monitors Both Charge and Discharge; (5)3A Sense Capability with Internal Sense Resistor; (6)Higher Current-Sense Capability with External Sense Resistor; (7)100μA Max Supply Current; (8)18μA Max Shutdown Mode; (9)3V to 36V Supply Operation; (10)8-Pin DIP/SO Packages.

Diagrams

MAX471CPA block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
MAX471CPA
MAX471CPA
Maxim Integrated Products
Special Purpose Amplifiers
Data Sheet
Negotiable 
MAX471CPA_1281651
MAX471CPA_1281651
Other

Data Sheet
Negotiable