ACS709LLFTR-35BB-T

Name: ACS709LLFTR-35BB-T
Rating: 4.5 (10 reviews)

High Bandwidth Current Sensor IC with Fast Fault Response in Thermally Enhanced Package

4,642 Effective Inventory

ACS709LLFTR-35BB-T

Effective Inventory4,642

High Bandwidth Current Sensor IC with Fast Fault Response in Thermally Enhanced Package

Manufacturer Part # : ACS709LLFTR-35BB-T
Package/Case: QSOP-24
Brand: Allegro Microsystems
Product Categories : Current Sensors

Quality Assurance

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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

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Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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ACS709LLFTR-35BB-T DataSheet

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Details

The ACS709LLFTR-35BB-T is a sophisticated current sensor IC that boasts a low quiescent current of 11mA. This feature helps conserve power while still providing accurate and reliable current measurements. Its wide bandwidth of 120kHz ensures that it can capture rapid changes in current, making it ideal for applications that require dynamic monitoring. The sensor operates in a unipolar mode, simplifying its integration into circuits that require this type of sensor polarization. Housed in a QSOP-24 package, this sensor comes with 24 pins for easy connection and installation. The operating voltage range of 3V to 5.5V allows for flexible power supply options, while the wide temperature range of -40°C to +150°C ensures reliable performance in various operating environments. As a RoHS compliant component, the ACS709LLFTR-35BB-T meets stringent environmental regulations, making it a sustainable choice for your project

Key Features

Fault-tolerant architecture ensures reliable operation
Wide operating frequency range up to 500kHz
Robust electromagnetic immunity and susceptibility

Application

Battery systems
Power converters
Industrial automation

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Board Mount Current Sensors	RoHS	Details
Current Rating !	11 mA	Sensor Type	Current Sense
Type	Linear Hall	Operating Supply Voltage !	5 V
Response Time !	4 us	Output Type	Ratiometric
Series	ACS709	Brand	Allegro MicroSystems
Maximum Operating Temperature !	+ 150 C	Minimum Operating Temperature	- 40 C
Moisture Sensitive	Yes	Package / Case	QSOP-24
Product Type !	Current Sensors	Factory Pack Quantity	2500
Subcategory	Sensors	Supply Voltage - Max	5.5 V
Supply Voltage - Min	3 V

FAQs

What is ACS709LLFTR-35BB-T?

The ACS709LLFTR-35BB-T is a galvanically isolated current sensor IC (integrated circuit) designed by Allegro MicroSystems. It is ideal for applications requiring high isolation voltage, accurate current sensing, and low power consumption, such as motor control, power supplies, and battery management systems.

How Does ACS709LLFTR-35BB-T Work?

The ACS709LLFTR-35BB-T works based on the principle of Hall-effect sensing, where the magnetic field generated by the current flowing through the conductor is measured. The IC provides an electrical isolation barrier between the current-carrying conductor and the sensing circuitry, ensuring safety and reliability in high voltage environments.

How Many Pins does ACS709LLFTR-35BB-T have and What are the Functions of the Pinout Configuration?

The ACS709LLFTR-35BB-T is housed in a small 8-lead surface mount SOIC package. The pinout configuration includes:

VCC1: Primary side power supply pin.
VIOUT1: Primary side current sensing output pin.
GND1: Primary side ground pin.
NC1: No-connect pin on the primary side.
VCC2: Secondary side power supply pin.
VIOUT2: Secondary side isolated output pin.
GND2: Secondary side ground pin.
NC2: No-connect pin on the secondary side.

What are the Pros and Cons of ACS709LLFTR-35BB-T?

Pros:

High Isolation Voltage: Provides galvanic isolation for high-voltage applications.
Accurate Sensing: Offers precise current measurement for accurate system control.
Low Power Consumption: Operates with low power, suitable for energy-efficient designs.
Robust Design: Withstands high-voltage and high-temperature environments.
Space-Efficient Package: The small form factor is suitable for space-constrained applications.

Cons:

External Components: May require external components for filtering and signal conditioning for specific applications.
Cost: Galvanically isolated current sensors may have a higher cost compared to non-isolated alternatives.
Design Considerations: Requires careful consideration of isolation and safety requirements in the system design.

Are There Any Equivalents/Alternatives to ACS709LLFTR-35BB-T for Recommendation?

The ACS714 from Allegro MicroSystems is a similar current sensor IC with different current measurement ranges.
Alternatives to the ACS709LLFTR-35BB-T include the TLI4970 from Infineon and the LEM IT-700-S from LEM.