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MAX9938HEUK+ Datasheet(PDF) 8 Page - Maxim Integrated Products |
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MAX9938HEUK+ Datasheet(HTML) 8 Page - Maxim Integrated Products |
8 / 13 page 1µA, 4-Bump UCSP/SOT23, Precision Current-Sense Amplifier 8 _______________________________________________________________________________________ Bidirectional Application Battery-powered systems may require a precise bidi- rectional current-sense amplifier to accurately monitor the battery’s charge and discharge currents. Measurements of the two separate outputs with respect to GND yields an accurate measure of the charge and discharge currents respectively (Figure 1). UCSP Applications Information For the latest application details on UCSP construction, dimensions, tape carrier information, PCB techniques, bump-pad layout, and recommended reflow tempera- ture profile, as well as the latest information on reliability testing results, refer to the Application Note 1891: Understanding the Basics of the Wafer-Level Chip- Scale Package (WL-CSP) available on Maxim’s website at www.maxim-ic.com/ucsp. Chip Information PROCESS: BiCMOS VBATT = 1.6V TO 28V RSENSE R1 ILOAD ROUT R1 GND P MAX9938 R1 ROUT R1 GND P OUT OUT TO WALL-CUBE/ CHARGER MAX9938 RS+ RS- RS- RS+ ADC ADC LOAD μC VDD = 3.3V 10k Ω 10k Ω Figure 1. Bidirectional Application |
Similar Part No. - MAX9938HEUK+ |
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