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Name: A6211GLJTR-T
Brand: Allegro MicroSystems
SKU: A6211GLJTR-T
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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Allegro MicroSystems A6211GLJTR-T

Part No.:: A6211GLJTR-T

Manufacturer:: Allegro MicroSystems

Package:: 8-SOIC (0.154, 3.90mm Width) Exposed Pad

Datasheet:: A6211GLJTR-T.pdf

Description:: IC LED DRIVER RGLTR PWM 3A 8SOIC

In Stock:: 2290

Quantity:: Add To Cart

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A6211GLJTR-T this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including A6211GLJTR-T 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 A6211GLJTR-T 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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A6211GLJTR-T Typical application Circuitry

A6211GLJTR-T

The A6211GLJTR-T is a component of the A6211 series from Allegro Microsystems, which is specifically designed as an LED driver integrated circuit (IC) with a constant-current output, making it ideal for a wide range of LED lighting applications. This series is characterized by its high efficiency, integrated MOSFET for LED string driving, and comprehensive protection features. The A6211GLJTR-T is particularly well-suited for high-brightness LED applications, such as backlighting systems, signage, and general illumination, where consistent and reliable LED performance is critical.

1. Power Supply Voltage (VIN Pin): The A6211GLJTR-T operates over a wide input voltage range, typically from 4.5 volts to 40 volts, accommodating various power supply configurations and ensuring versatility across different LED lighting applications. The VIN pin should be connected to the positive side of the power supply, with adequate decoupling capacitors placed close to the pin to minimize voltage spikes and ensure stable operation.

2. Ground Connection (GND Pin): The circuit's ground reference is provided by the GND pin. It is essential to establish a solid connection to the system ground to ensure the stability of the LED driver and the accuracy of the current regulation. A low impedance ground path will help in minimizing potential voltage drops and noise in the circuit.

3. Output to LED String (OUT Pin): The OUT pin is directly connected to the anode of the LED string. The integrated MOSFET within the A6211GLJTR-T controls the current flow through the LED string, ensuring a constant current regardless of variations in input voltage or LED forward voltage. This pin is crucial for maintaining consistent brightness and color uniformity across the LEDs.

4. Current Regulation (ISENSE Pin): The ISENSE pin is used for current sensing and regulation. A sense resistor is connected between this pin and the ground, setting the output current for the LED string. The value of the resistor determines the magnitude of the constant current driven through the LEDs, providing flexibility in adjusting the LED brightness and optimizing power efficiency.

5. Enable and Dimming Control (EN/SD and PWM Pins): The EN/SD (Enable/Shut Down) pin allows for turning the LED driver on or off, providing a simple power-saving feature. The PWM (Pulse Width Modulation) pin enables brightness control of the LED string through PWM dimming. By applying a PWM signal to this pin, the LED current can be modulated, allowing for dynamic brightness control without affecting the color or the life span of the LEDs.

6. Fault Reporting (FAULT Pin): The FAULT pin is an open-drain output that signals the occurrence of fault conditions, such as over-temperature or open-circuit LEDs. This feature is essential for implementing protective measures and maintaining the reliability and safety of the LED application.

The A6211GLJTR-T exemplifies Allegro Microsystems' expertise in developing advanced LED driver solutions, offering not only efficient and precise current regulation but also robust protection features and flexible control options. Implementing this LED driver requires careful consideration of the power supply requirements, accurate selection of the current-sense resistor, and proper management of the PWM dimming and fault detection functionalities. By adhering to these guidelines, designers can harness the full potential of the A6211GLJTR-T to create sophisticated and reliable LED lighting systems.

A6211GLJTR-T information

A6211GLJTR-T Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
DC DC Regulator
Topology:
Step-Down (Buck)
InternalSwitch(s):
Yes
NumberofOutputs:
1
Voltage-Supply(Min):
6V
Voltage-Supply(Max):
48V
Voltage-Output:
-
Current-Output/Channel:
3A
Frequency:
-
Dimming:
PWM
Applications:
Lighting
OperatingTemperature:
-40°C ~ 105°C (TA)
MountingType:
Surface Mount

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6. What is the process for return or replacement of A6211GLJTR-T?

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(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 A6211GLJTR-T.

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

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