Allegro MicroSystems, LLC A4940KLPTR-T
TSSOP-24-EP Gate Drivers ROHS
Copied!Copied!CM.Part.#:C54670182
Package:TSSOP-24-EP
10 In stock
Delivery within 1 day
Better price for more quantity?| Attribute | Value |
|---|---|
| Mfr.Part.# | A4940KLPTR-T |
| Manufacturer | ALLEGRO |
| Product Category | Gate Drivers |
| RoHS | Yes |
| ECCN | EAR99 |
| Package | TSSOP-24-EP |
| Packaging | Tape & Reel (TR) |
| Standard Package | 4000 |
| Weight | 1 |
Designed for DC brushless motors with integrated commutation logic
Operates within a wide supply voltage range of up to 28V
Built-in current limit function for enhanced motor protection
Low power dissipation for efficient system designs
Compact packaging suitable for space-constrained applications
Automotive HVAC blower motor control
Home appliance motor solutions such as washing machines
Industrial equipment including fans and pumps
Printers and office automation motor systems
Battery-powered power tools and handheld devices
Entertainment systems requiring motorized components
Ensure the supply voltage does not exceed the 28V maximum to prevent damage.
Proper heat dissipation measures like adequate PCB layout and heat sinking should be in place due to the power dissipation of the IC.
Pay attention to the current limiting threshold to avoid unintentional shutdowns in high-load applications.
Signal integrity for the control inputs should be maintained by minimizing noise in the system.
External capacitors must be correctly rated and placed as per datasheet recommendations to stabilize operation.
Q: What is the maximum load current of the A4940KLPTR-T?
A: The maximum load current depends on the thermal and board design but should not exceed the device's power dissipation limits.
Q: Can this IC handle reverse polarity connections?
A: No, the IC does not have reverse polarity protection and external diodes are required.
Q: Is the A4940KLPTR-T designed for high-speed motors?
A: It is suitable for moderate-speed applications and may require external tuning for very high-speed motors.
Q: How does it handle voltage spikes from motor operation?
A: External flyback diodes or capacitors are recommended to suppress voltage transients.
| Shipping | Delivery period | For in-stock parts, orders are estimated to ship out in 2 days. Chipmall.com ships orders once a day at about 5pm except Sunday. Delivery time/day： Southeast Asia 2-3 days USA/Canada 2-4 days Australia 2-4 days Europe 3-6 days South America 4-7 days Middle East 5-8 days Africa 5-8 days |
| Shipping rates | Shipping rates for your order can be found in the shopping cart. | |
| Shipping option | We provide UPS, DHL, FedEx, SF Express. | |
| Shipping tracking | We will notify you by email with tracking number once order is shipped. You can also find the tracking number in order history. | |
| returning/warranty | Returning | Returns are normally accepted when completed within 30 days from date of shipment， please contact customer service for a return authorization. Parts should be unused and in original packaging. Customer has to take charge for the shipping. |
| Warranty | All Chipmall.com purchases come with a 30-day money-back return policy, plus a 365-day Chipmall.com warranty against any manufacturing defects. This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation | |
| Ordering | How to Buy | Chipmall.com accepts online orders. Add to cart > Check out > Submit order > Complete payment >Delivery |
| Payment | PayPal, Credit Card includes Visa, Master, American Express. (Wire Transfer, available for order over 800 USD.) |
1.Shipping
•Delivery period
For in-stock parts, orders are estimated to ship out in 2 days.
Chipmall.com ships orders once a day at about 5pm except Sunday.
Delivery time/day：
Southeast Asia 2-3 days
USA/Canada 2-4 days
Australia 2-4 days
Europe 3-6 days
South America 4-7 days
Middle East 5-8 days
Africa 5-8 days
•Shipping rates
Shipping rates for your order can be found in the shopping cart.
•Shipping option
We provide UPS, DHL, FedEx, SF Express.
•Shipping tracking
We will notify you by email with tracking number once order is shipped.
You can also find the tracking number in order history.
2.returning/warranty
•Returning
Returns are normally accepted when completed within 30 days from date of shipment， please contact customer service for a return authorization.
Parts should be unused and in original packaging.
Customer has to take charge for the shipping.
•Warranty
All Chipmall.com purchases come with a 30-day money-back return policy, plus a 365-day Chipmall.com warranty against any manufacturing defects.
This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation
3.Ordering
•How to Buy
Chipmall.com accepts online orders.
Add to cart > Check out > Submit order > Complete payment >Delivery
•Payment
PayPal, Credit Card includes Visa, Master, American Express.
(Wire Transfer, available for order over 800 USD.)
Q: How to order the A4940KLPTR-T?
A: To order the , search for the product on our site. Once you find it in the search results, click "Add to Cart." Go to your cart and click on the "Check Out" button. During this process, you can enter your Delivery Address and Billing Address information, choose the Shipping Method and carrier, confirm your order, and finally select your Payment Method to complete the purchase.
Q: What is the warranty period for the A4940KLPTR-T?
A: We offer a 1-year warranty for the . This warranty covers any material and workmanship defects under normal usage. If a defect is found within the warranty period, we will repair or replace the product at no charge. For more details, please refer to our
Q: How does Chipmall.com ensure the quality reliability of the Analog Devices, Inc A4940KLPTR-T?
A: Chipmall.com has a professional procurement team that rigorously tests and verifies the sources of our products. All suppliers must pass a qualification review before their products can be listed on our platform. We emphasize sourcing only from reliable channels and authorized distributors to ensure product quality standards.
Q: Is the price and stock information for the A4940KLPTR-T on Chipmall.com accurate?
A: Yes, the stock and price information for the displayed on our website is real-time and accurate, so you can confidently place orders online.
Q: Can I place an offline order for the A4940KLPTR-T through Chipmall.com?
A: Yes, we accept offline consultation orders. You can inquire via our online Senden Sie uns eine Nachricht or by sending an email to [email protected]
Q: What payment methods does Chipmall.com accept?
A: Chipmall.com accepts various payment methods, including Wire Transfer, PayPal, Credit/Debit Card, WeChat Pay, and Alipay.
Q: What is Chipmall.com’s shipping policy?
A: Our free shipping policy applies to orders weighing up to 2KG with a total order value exceeding US$199. If your package exceeds 2KG, we will charge you additional shipping fees for the excess weight.
Q: How is shipping arranged, and how can I track my package?
A: We will ship according to the logistics option chosen by the customer, such as DHL, FedEx, UPS, or SF Express. Once your order is processed and shipped, you will receive an email notification containing the commercial invoice, shipping status, and tracking number.
Q: What is the return or exchange process at Chipmall.com?
A: Chipmall.com conducts Pre-Shipment Inspection (PSI) on all orders to ensure quality before shipping. If there are issues such as quantity discrepancies, incorrect items, or visible defects (e.g., damage or oxidation) that we have confirmed, we will accept returns or exchanges under the following conditions: 1.Defects must be reported within 365 days of delivery. 2.Products must be unused and in their original, unopened packaging. 3.Authorization for the return or exchange must be obtained.
Q: How can I contact Chipmall.com for support, including obtaining the datasheet or pinout for the A4940KLPTR-T?
A: For any after-sales support or technical inquiries, including requests for datasheets or pinouts, please contact us via email at [email protected]
Q: Can you provide information about Chipmall.com’s quality assurance practices?
A: Chipmall.com recognizes the prevalence of counterfeit parts in the global electronic supply chain, which can lead to serious issues and negative consequences for customers. Therefore, we firmly believe that sourcing only from authorized suppliers who undergo rigorous quality testing is the safest and most reliable approach. We are certified by the quality system registration bodies for ISO 14001, ISO 9001, IATF 16949, ISO 13485, and DUNS standards. These certifications indicate that our operational systems meet strict international quality management standards.
