EMC1704-2-AP-TR IC Sensors by Microchip Technology
High-Side current sensor with I2C, 24V, power calculation, 4 temperature sensors, bi-directional, peak detection, alert
| Status: | Active |
|---|---|
| Series: | EMC1704-2 |
| RoHS: | Compliant |
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 bus 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.
Where to Buy
Prices starting from US$1.36
| Distributor | Stock | ||
|---|---|---|---|
|
Microchip Technology
from US$1.36
|
25,000
in stock
|
Buy Now |
|
ECOM
from US$2.22
|
5
in stock
|
Buy Now |
|
Newark Electronics
from US$1.46
|
0
in stock
|
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|
TME
from US$1.61
|
0
in stock
|
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|
Farnell
from US$1.53
|
0
in stock
|
Buy Now |
|
EBV Elektronik
-
|
0
in stock
|
Buy Now |
|
Avnet Silica
-
|
0
in stock
|
Buy Now |
| Buy Now |
Features
| Bi-directional current measurement |
| Measures bus voltage |
| 1% current measurement accuracy |
| Integrated over 82ms to 2.6sec with 11-bit resolution |
| 3V to 24V voltage bus voltage range |
| Calculates proportional power |
| Software controls to program time duration and magnitude threshold |
| Bus or separately powered for low voltage operation |
| Wide temperature operating range: -40°C to +85°C |
| 1°C accuracy (20°C < TDIODE < 110°C) with 0.125°C resolution |
| Ideality factor setting |
| Support for 45nm and 65nm CPU diodes requiring the BJT/transistor model with beta compensation |
| Determines external diode type and optimal settings |
| Resistance Error Correction |
| Anti-parallel diode support for additional diode options |
| ±1°C accuracy (-5°C < TA < 85°C) |
| ALERT# and THERM# outputs for temperature, voltage, and out-of-current limit reporting |
| Pin-selectable SMBus Address |
| Block Read and Write |
| General Purpose I/O |
| Available in a RoHS Compliant Package: 14-pin SOIC (EMC1704-1) or 16-pin 4mm x 4mm QFN (EMC1704-2) |
| Notebook and Desktop Computers |
| Industrial |
| Power Management Systems |
| Embedded Applications |
Specifications
| Description | Current/DC Power Sensor with Temperature Monitoring |
|---|---|
| Vsense min FSR (mV) | -10, -20, -40, -80 |
| Vsense max FSR (mV) | 10, 20, 40, 80 |
| Vsense accuracy (% FSR, max) | 0.9 |
| Vbus Range min (V) | 3 |
| Vbus Range max (V) | 24 |
| Vbus accuracy (% FSR, max) | 0.05 |
| Sampling Interval min (msec) | 2.5 |
| Sampling Interval max (msec) | 2600 |
| Remote Temperature Monitors | 3 |
| # Ambient Temperature Monitors | 1 |
| Temperature Accuracy Typical (°) | 0.25 |
| Temperature Accuracy Max (°) | 1 |
| Alert/Therm | 2 |
| Peak Detection | Hardware |
| Accumulator? | No |
| Interface | SMBus/I2C |
| Address Select | 15 |
| # Current Channel | 1 |
| ADC Resolution (bit) | 11 |
| Pins | Packaging | 16 | QFN |
| Temp Range | -40C to +85C |
| Packing Media | Tape and reel (5000) |
Last 6 months Inventory & Pricing History
Resources
Data Sheets |
|---|
| EMC1704 Data Sheet |
| EMC1704 High-Side Current-Sense and Multiple 1C Temperature Monitor Data Brief - EMC1704 High-Side Current-Sense and Multiple 1C Temperature Monitor Data Brief |
Brochures |
|---|
| Temperature Sensor Design Guide |
Environmental Information
| JEDEC Indicator | e3 |
|---|---|
| ROHS | Compliant |
| China EFUP | Compliant |
| Device Weight (g) | 0.0417 |
| Shipping Weight (kg) | 0.212121 |
| Lead Count | 16 |
| Package Type | QFN |
| Package Width or Size | 4x4x0.9mm |
| Soldering Composition | Matte Tin |
Alternative Descriptions
| High-Side Current-Sense and Multiple 10C Temperature Monitor | Microchip Technology |
| Temperature and current sensor, +-1°C at -5+85°C, SMB | ECOM |
| Single High-Side Current Sensor, I2C/Smbus, 24V With 4 Temp Sensors 16 Qfn 4X4X0.9Mm T/R Rohs Compliant: Yes |Microchip Technology EMC1704-2-AP-TR | Newark Electronics |
| IC: electric energy meter | TME |
| CURRENT SENSOR, HIGH SIDE, QFN-16 | Farnell |
| Current-Sense and Multiple 1�C Temperature Monitor 16-Pin QFN T/R | EBV Elektronik |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a EMC1704-2-AP-TR?
Additional datasheets, footprints and schematics for EMC1704-2-AP-TR are listed on our Part Details page. You can also find images and similar parts to EMC1704-2-AP-TR on this page.
What pricing and inventory information can I view?
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What category does EMC1704-2-AP-TR fall under?
The EMC1704-2-AP-TR is listed under Semiconductors - ICs > IC Sensors > Current Sensors.
Can I view similar or alternative parts?
You can view similar parts to EMC1704-2-AP-TR when available in the Current Sensors range under the specifications section at the bottom of the details page.
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Is the EMC1704-2-AP-TR RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Microchip Technology.
Which authorised distributors for EMC1704-2-AP-TR have stock available?
Authorised distributors including Microchip Technology, ECOM, Newark Electronics, TME and Farnell have stock available or on a lead time for EMC1704-2-AP-TR.
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