Mikroelektronika d.o.o.
VCP Monitor 4 Click-Platine
VCP Monitor 4 Click-Platine
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Overview
Der VCP-Monitor 4 Click Board™ ist eine kompakte Zusatzplatine, die ein hochpräzises Leistungsüberwachungssystem darstellt. Diese Platine verfügt über den INA239, einen ultrapräzisen digitalen Leistungsmonitor mit einem 16-Bit-Delta-Sigma-ADC, der speziell für Stromerfassungsanwendungen von Texas Instruments entwickelt wurde. Der INA239 meldet Strom, Busspannung, Temperatur und Leistung und führt dabei die erforderlichen Berechnungen im Hintergrund durch. Der integrierte Temperatursensor ist bei der Messung der Chiptemperatur auf ±1 °C genau und ist auch bei der Überwachung der Umgebungstemperatur des Systems hilfreich. Dieses Click Board™ ist für Anwendungen wie industrielle Messungen, DC/DC-Wandler, Wechselrichter, Telekommunikationsgeräte, Server und vieles mehr geeignet.
Das VCP Monitor 4 Click Board™ wird von einer mikroSDK-kompatiblen Bibliothek unterstützt, die Funktionen enthält, die die Softwareentwicklung vereinfachen. Dieses Click Board™ wird als vollständig getestetes Produkt geliefert und ist bereit für den Einsatz auf einem System, das mit der mikroBUS™-Buchse ausgestattet ist.
| General Information | |
|---|---|
Part Number (SKU) |
MIKROE-4763
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Manufacturer |
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| Physical and Mechanical | |
Weight |
0.02 kg
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| Other | |
Country of Origin |
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HS Code Customs Tariff code
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EAN |
8606027383502
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Warranty |
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How Does The VCP Monitor 4 Click Board™ Work?
The VCP Monitor 4 Click Board™ as its foundation uses the INA239, a digital current sense amplifier with a 4-wire serial digital interface from Texas Instruments. It measures shunt and bus voltage and internal temperature while calculating the power necessary for accurate decision-making in precisely controlled systems. The input stage of the INA239 is designed such that the input common-mode voltage can be higher than the device supply voltage. It operates from mikroBUS™ power rails but can measure voltage and current as high as 85V, making it well suited for high-side and low-side current measurements.
Its integrated 16-bit ADC allows for selectable conversion times from 50μs to 4.12ms and sample averaging from 1x to 1024x, which further helps reduce the noise of the measured data. It also features low offset and gain-drift and low input bias current, which reduces the current consumed in both Active and Shutdown operational states. Another benefit of low bias current is that it allows the use of larger current-sense resistors (in this case, onboard R4 shunt 25MΩ resistor), thus providing accurate, current measurements in the micro-amp range. Besides, it can also measure the temperature through the integrated temperature sensor in a range from -40ºC up to +125ºC.
Its integrated 16-bit ADC allows for selectable conversion times from 50μs to 4.12ms and sample averaging from 1x to 1024x, which further helps reduce the noise of the measured data. It also features low offset and gain-drift and low input bias current, which reduces the current consumed in both Active and Shutdown operational states. Another benefit of low bias current is that it allows the use of larger current-sense resistors (in this case, onboard R4 shunt 25MΩ resistor), thus providing accurate, current measurements in the micro-amp range. Besides, it can also measure the temperature through the integrated temperature sensor in a range from -40ºC up to +125ºC.
The VCP Monitor 4 Click Board™ can operate with both 3.3V and 5V logic voltage levels selected via the VCC SEL jumper. This way, it is allowed for both 3.3V and 5V capable MCUs to use the SPI communication lines properly. However, the Click board™ comes equipped with a library containing easy-to-use functions and an example code that can be used, as a reference, for further development.SPECIFICATIONS
| Type | Measurements |
| Applications | Can be used for applications such as industrial measurements, DC-DC converters, power inverters, telecom equipment, servers, and many more |
| On-board modules | INA239 - ultra-precise digital power monitor with a 16-bit delta-sigma ADC specifically designed for current-sensing applications from Texas Instruments |
| Key Features | Low power consumption, high precision, high-resolution ADC, accuracy, fast alert response, programmable conversion time and averaging, and more |
| Interface | SPI |
| Compatibility | mikroBUS |
| Click board size | M (42.9 x 25.4 mm) |
| Input Voltage | 3.3V or 5V |
PINOUT DIAGRAM
This table shows how the pinout on VCP Monitor 4 Click corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
| Notes | Pin |  |
Pin | Notes | |||
|---|---|---|---|---|---|---|---|
| NC | 1 | AN | PWM | 16 | NC | ||
| NC | 2 | RST | INT | 15 | ALR | Alert | |
| SPI Chip Select | CS | 3 | CS | RX | 14 | NC | |
| SPI Clock | SCK | 4 | SCK | TX | 13 | NC | |
| SPI Data OUT | SDO | 5 | MISO | SCL | 12 | NC | |
| SPI Data IN | SDI | 6 | MOSI | SDA | 11 | NC | |
| Power Supply | 3.3V | 7 | 3.3V | 5V | 10 | 5V | Power Supply |
| Ground | GND | 8 | GND | GND | 9 | GND | Ground |
ONBOARD SETTINGS AND INDICATORS
| Label | Name | Default | Description |
|---|---|---|---|
| LD1 | PWR | - | Power LED Indicator |
| LD2 | ALERT | - | Alert LED Indicator |
| JP1 | VCC SEL | Left | Logic Level Voltage Selection 3V3/5V: Left position 3V3, Right position 5V |
VCP MONITOR 4 CLICK ELECTRICAL SPECIFICATIONS
| Description | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 3.3 | - | 5 | V |
| Common-mode Input Range | 0 | - | 85 | V |
| ADC Resolution | - | 16 | - | bits |
| Operating Temperature Range | -40 | +25 | +125 | °C |
Frequently Asked Questions
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