Allegro MicroSystems ACS37800KMACTR-090B3-I2C
- Part No.:
- ACS37800KMACTR-090B3-I2C
- Manufacturer:
- Allegro MicroSystems
- Category:
- Supervisors
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
ACS37800KMACTR-090B3-I2C.pdf
- Description:
- POWER VOLTAGE AND CURRENT SENSOR
- Quantity:
- Payment:

- Shipping:

Inventory:6,050
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Product details
Overview
ACS37800KMACTR-090B3-I2C from Allegro MicroSystems is a integrated power-monitoring IC for current, voltage, and power measurement in embedded systems. Combining current sensing, voltage measurement, and digital telemetry in a 16-pin SOIC package, it gives the host controller direct visibility into rail behavior without building a separate sensing and reporting chain from discrete parts.
For engineers reviewing the ACS37800KMACTR-090B3-I2C datasheet, ACS37800KMACTR-090B3-I2C pinout, ACS37800KMACTR-090B3-I2C application, or ACS37800KMACTR-090B3-I2C equivalent, this device is widely used in power telemetry nodes, smart power rails, industrial energy monitoring, and embedded systems that need integrated current sensing with digital reporting.
Technical Context
In embedded power-monitoring sections, ACS37800KMACTR-090B3-I2C tracks current, voltage, and calculated power so the system controller can supervise rail loading, subsystem consumption, and fault conditions through a digital interface such as I2C or SPI, depending on the option code. This makes ACS37800KMACTR-090B3-I2C a good fit for smart power rails, industrial energy-monitoring sections, and telemetry-heavy embedded platforms where integrated measurement and reporting are more valuable than a discrete shunt-plus-ADC implementation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Device Type | Integrated current, voltage, and power monitoring IC. |
| Main Role | Measures power-path behavior and reports telemetry digitally. |
| Control Scope | Supports digital interface output such as I2C or SPI by option. |
| Application Positioning | Embedded power telemetry and monitoring. |
| Integration Value | Combines sensing and reporting in one device. |
| Package Option | 16-pin SOIC package with 13-inch reel packing. |
| Operating Range | -40°C to +125°C operating range |
Pinout & Package
The ACS37800KMACTR-090B3-I2C pinout is implemented in the 16-pin SOIC package and combines the monitored-rail pins, control pins, and reset, watchdog, sequencing, or fault outputs required by the device function.
For PCB design, the main consideration is routing the monitored rails, control pins, and fault or sequencing outputs according to the actual device role.
| Pin / Function | PCB Design and Circuit Role |
|---|---|
| Current Path Pins | Carry or monitor the measured power path. |
| Voltage Sense Pins | Track the associated rail voltage. |
| Digital Interface Pins | Report telemetry over I2C or SPI depending on part option. |
| Supply Pins | Power the monitoring core and interface logic. |
| Ground Pins | Provide reference for measurement and communication behavior. |
Key Features
- Integrated telemetry simplifies board-level power measurement.
- Digital output eases host-system monitoring.
- Useful in smart rails and industrial monitoring nodes.
- Reduces discrete sense and interface circuitry.
Applications
| Power Telemetry Rails | Industrial Energy Monitoring |
|---|---|
|
Use Scenario: Systems that need current and power visibility on an active rail. IC Role: Acts as the embedded power monitor. Use Value: Improves observability of the system power path. |
Use Scenario: Boards tracking current and consumption in subsystems. IC Role: Provides measured power data to a controller. Use Value: Supports data-driven protection or logging. |
| Smart Embedded Platforms | Maintenance Replacements |
|
Use Scenario: Electronics that need digital reporting of rail behavior. IC Role: Bridges the power path to a telemetry interface. Use Value: Improves system insight without large external circuitry. |
Use Scenario: Boards that depend on the same monitored-telemetry role. IC Role: Preserves the original measurement function. Use Value: Reduces redesign effort in service work. |
Equivalent & Alternatives
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ACS37800KMACTR-030B3-I2C | Same integrated power-monitor family with a different current range and I2C telemetry option. | Fits similar embedded telemetry roles when the host uses I2C and the monitored range changes. | The decision mainly rests on interface requirement, current range, and system telemetry architecture. |
| ACS37800KMACTR-090B3-I2C | Same monitoring concept with a higher sensing range and I2C output. | Useful when the system stays with the same telemetry topology but monitors a wider power path. | Compare current range, interface, and host integration requirements before substitution. |
Compared with ACS37800KMACTR-030B3-I2C, ACS37800KMACTR-090B3-I2C selection depends on the required current range and whether the system uses SPI or I2C telemetry. Compared with ACS37800KMACTR-090B3-I2C, ACS37800KMACTR-090B3-I2C fits best when the design keeps the same integrated power-monitoring approach but needs a different sensing range or interface.
Quality
ACS37800KMACTR-090B3-I2C should be sourced through traceable channels with attention to package identity, orderable suffix, and whether the replacement still matches the intended device role.
Production validation should include startup behavior, threshold accuracy, fault response, and the sequencing or monitoring performance that matters for the real end application.
Availability
ACS37800KMACTR-090B3-I2C is available at Aetrix Electronics and is suitable for maintenance, new design qualification, and repeatable production support in systems that depend on this exact device role.
Sample and NPI supply support, as well as urgent in-stock supply support, can also be arranged for prototype builds, pilot runs, and time-critical production needs.
For production builds, confirming lifecycle position, package option, operating range, and sourcing continuity helps reduce replacement risk.
Manufacturer
Allegro MicroSystems is a semiconductor manufacturer whose portfolio includes sensor, driver, interface, and power-management devices used across automotive, industrial, and embedded electronics.
The ACS37800 line is used in embedded power-monitoring applications where current, voltage, and power telemetry must be reported digitally in one integrated sensing path.
FAQ
What is ACS37800KMACTR-090B3-I2C used for?
It is used as a power-monitoring IC that measures current and power with a digital interface option.
Where can I find the ACS37800KMACTR-090B3-I2C datasheet download?
The ACS37800KMACTR-090B3-I2C datasheet can be accessed from the confirmed manufacturer source used for this family.
What should be considered in ACS37800KMACTR-090B3-I2C pinout design?
Designers should review the 16-pin SOIC package, control-interface routing, monitoring or sequencing pins, and the actual supply-path layout used by the target board.
Is ACS37800KMACTR-090B3-I2C a generic regulator?
Only if the device family is actually a regulator. Otherwise it should be treated according to its real monitoring, supervisory, or sequencing role.
What are common ACS37800KMACTR-090B3-I2C equivalent solutions?
Common candidates depend on package fit, operating range, sequencing or supervisory behavior, and whether the replacement stays with the same electrical job on the board.
ACS37800KMACTR-090B3-I2C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Allegro MicroSystems
- Series:
- -
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Power Monitoring
- Number of Voltages Monitored:
- -
- Voltage - Threshold:
- -
- Output:
- I2C
- Reset:
- -
- Reset Timeout:
- -
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
ACS37800KMACTR-090B3-I2C FAQ
1.How can I place an order for ACS37800KMACTR-090B3-I2C through Aetrix?
Please submit a Request for Quotation (RFQ) for ACS37800KMACTR-090B3-I2C on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ACS37800KMACTR-090B3-I2C reliable?
The price and inventory of ACS37800KMACTR-090B3-I2C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ACS37800KMACTR-090B3-I2C is usually 5 days.
3.What payment methods are accepted for ACS37800KMACTR-090B3-I2C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ACS37800KMACTR-090B3-I2C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ACS37800KMACTR-090B3-I2C?
ACS37800KMACTR-090B3-I2C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ACS37800KMACTR-090B3-I2C order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ACS37800KMACTR-090B3-I2C?
For technical support, including ACS37800KMACTR-090B3-I2C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ACS37800KMACTR-090B3-I2C requirements.
6.How does Aetrix verify that ACS37800KMACTR-090B3-I2C is sourced from the original manufacturer or authorized distributors?
All ACS37800KMACTR-090B3-I2C products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ACS37800KMACTR-090B3-I2C meets industry standards.
7.What is the process for return or replacement of ACS37800KMACTR-090B3-I2C?
All ACS37800KMACTR-090B3-I2C units undergo pre-shipment inspection (PSI). If there is an issue with ACS37800KMACTR-090B3-I2C, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ACS37800KMACTR-090B3-I2C part is unused and in its original packaging.
Return procedure for ACS37800KMACTR-090B3-I2C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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