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Name: PAC1954T-E/4MX
Brand: Microchip Technology
SKU: PAC1954T-E/4MX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Microchip Technology PAC1954T-E/4MX

Part No.:: PAC1954T-E/4MX

Manufacturer:: Microchip Technology

Package:: 16-VFQFN Exposed Pad

Datasheet:: PAC1954T-E/4MX.pdf

Description:: QUAD HIGH-SIDE CURRENT SENSOR

In Stock:: 3613

Quantity:: Add To Cart

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PAC1954T-E/4MX Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Function:
Current/Voltage Monitor
SensingMethod:
High-Side
Accuracy:
±1%
Voltage-Input:
2.7V ~ 5.5V
Current-Output:
-
OperatingTemperature:
-40°C ~ 125°C (TA)
MountingType:
Surface Mount, Wettable Flank

PAC1954T-E/4MX this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including PAC1954T-E/4MX price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for PAC1954T-E/4MX to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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PAC1954T-E/4MX information

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PAC1954T-E/4MX Typical application Circuitry

PAC1954T-E 4MX

The PAC1954T-E/4MX is a specialized chip, designed for precision power and energy monitoring within a system. It's commonly utilized in scenarios that demand accurate power consumption measurements, such as in embedded systems, IoT devices, power management systems, and industrial controls.

Application Scenario: IoT Device Power Management

In this scenario, we'll explore the integration of the PAC1954T-E/4MX in an IoT device to manage and monitor its power consumption efficiently.

1. Voltage Measurement:One primary function of the PAC1954T-E/4MX is to measure the supply voltage. To achieve this, the voltage input pins (VSENSE pins) of the chip are connected directly to the power supply line of the IoT device. It's crucial to ensure that the voltage levels are within the chip's specified input range to prevent damage.

2. Current Sensing: For current measurement, the PAC1954T-E/4MX requires the insertion of a shunt resistor in series with the power supply line. The voltage drop across this resistor is then measured by the chip, allowing it to calculate the current flowing through the circuit based on Ohm's law. The choice of shunt resistor value is critical; it must be low enough to minimize power loss yet high enough to provide a detectable voltage drop for the chip.

3. Data Communication: The PAC1954T-E/4MX communicates with the main processor or microcontroller of the IoT device via an I2C interface. The chip's SDA (Serial Data) and SCL (Serial Clock) pins must be connected to the matching I2C pins on the microcontroller in order to accomplish this. To guarantee dependable communication, these lines need to have the appropriate pull-up resistors added.

4. Configuration and Calibration: Before the PAC1954T-E/4MX can start monitoring power accurately, it needs to be configured through its I2C interface. This involves setting up the measurement modes, conversion rates, and calibration values. Calibration is essential to account for variances in the shunt resistor value and to adjust for any system-specific inaccuracies.

5. Power Calculation: Once the PAC1954T-E/4MX has the voltage and current data, it can calculate the power consumption of the IoT device by multiplying these values. This information is crucial for energy management and can be used to optimize the device's operation for better battery life or adherence to power budgets.

Design Considerations

When integrating the PAC1954T-E/4MX into a circuit, several factors need to be considered:

- Accuracy Requirements: The precision of voltage and current measurements directly affects the overall system's performance. Choosing the right shunt resistor and ensuring accurate ADC calibration are pivotal.

- Power Supply Stability: For precise measurements, the PAC1954T-E/4MX needs a reliable power supply. Any noise or fluctuations in the supply can impact the accuracy of the power monitoring.

- I2C Bus Configuration: The I2C bus must be carefully configured to prevent communication issues. This includes the correct setting of pull-up resistors and ensuring that the bus speed matches that supported by all devices on the bus.

- Environmental Conditions: The PAC1954T-E/4MX's performance may be impacted by the working environment. Factors such as temperature variations and electromagnetic interference (EMI) should be considered during the design phase to ensure reliable operation.

By addressing these considerations and following the detailed connection and configuration guide, the PAC1954T-E/4MX can be effectively integrated into an IoT device for precise power management and monitoring.

PAC1954T-E/4MX FAQ

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6. What is the process for return or replacement of PAC1954T-E/4MX?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the PAC1954T-E/4MX we delivered, we will accept the replacement or return of the PAC1954T-E/4MX only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PAC1954T-E/4MX.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations