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EMC1704

Microchip
Part Number EMC1704
Manufacturer Microchip
Description High-Side Current-Sense and Multiple Temperature Monitor
Published Sep 14, 2016
Detailed Description EMC1704 High-Side Current-Sense and Multiple 1°C Temperature Monitor PRODUCT FEATURES Datasheet General Description ...
Datasheet PDF File EMC1704 PDF File

EMC1704
EMC1704

Overview
EMC1704 High-Side Current-Sense and Multiple 1°C Temperature Monitor PRODUCT FEATURES Datasheet General Description Features The EMC1704 is a combination high-side current sensing device with precision temperature measurement.
It measures the voltage developed across an external sense resistor to represent the high-side current of a battery or voltage regulator.
It also measures the source voltage and uses these measured values to present a proportional power calculation.
The EMC1704 contains additional bidirectional peak detection circuitry to flag instantaneous current spikes with programmable time duration and magnitude threshold.
Finally, the EMC1704 includes up to three (3) external diode channels and an internal temperature sensor for temperature measurement.
The temperature measurement includes advanced features such as Resistance Error Correction (REC), Beta Compensation (to support CPU diodes requiring the BJT/transistor model including 45nm and 65nm processors), and automatic diode type detection.
Both current sensing and temperature monitoring include two tiers of protection: one that can be masked and causes the ALERT pin to be asserted, and the other that cannot be masked and causes the THERM pin to be asserted.
Applications  Notebook and Desktop Computers  Industrial  Power Management Systems  Embedded Applications  High-side current sensor — Bi-directional current measurement — Measures source voltage and indicates power ratio — 1% current measurement accuracy — Integrated over 82ms to 2.
6sec with 11-bit resolution — 3V to 24V bus voltage range  Independent hardware set instantaneous current peak detector (EMC1704-2 only) — Software controls to program time duration and magnitude threshold  Power supply options — Bus or separately powered for low voltage operation  Wide temperature operating range: -40°C to +85°C  Up to three external temperature monitors — 1°C accuracy (20°C < TDIODE < 110°C) with 0.
125°C resolution — Ideality factor ...


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