A3938SLDTR-T
- Mfr.Part #
- A3938SLDTR-T
- Manufacturer
- Allegro MicroSystems
- Package / Case
- 38-TFSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC MOTOR DRIVER 18V-50V 38TSSOP
- Stock
- 4,691
- In Stock :
- 4,691
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Allegro MicroSystems
- Product Category :
- Motor Drivers, Controllers
- Function :
- Controller - Commutation, Direction Management
- Voltage - Supply :
- 18V~50V
- Output Configuration :
- Pre-Driver - Half Bridge (3)
- Supplier Device Package :
- 38-TSSOP
- Max Operating Temperature :
- 85°C
- Applications :
- GENERAL PURPOSE
- Mount :
- Surface Mount
- Packaging :
- Tape and Reel (TR)
- Min Supply Voltage :
- 10.8V
- Package / Case :
- 38-TFSOP (0.173, 4.40mm Width)
- Radiation Hardening :
- No
- Operating Temperature :
- -20°C~85°C TA
- Factory Lead Time :
- 8 Weeks
- Published :
- 2008
- Number of Pins :
- 38
- Number of Outputs :
- 1
- Interface :
- Parallel, PWM
- Min Operating Temperature :
- -20°C
- Lead Free :
- Lead Free
- Max Supply Voltage :
- 13.2V
- RoHS Status :
- ROHS3 Compliant
- Motor Type - AC, DC :
- Brushless DC (BLDC)
- Base Part Number :
- A3938
- Mounting Type :
- Surface Mount
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Datasheets
- A3938SLDTR-T

Motor Drivers, Controllers Allegro MicroSystems A3938SLDTR-T Overview
The Allegro MicroSystems A3938SLDTR-T motor driver offers a robust solution for precision control of bipolar stepper and brushless DC motors. Designed for automotive and industrial applications, this device integrates a DMOS output stage capable of handling motor supply voltages from 18V to 50V and providing efficient operation. The A3938SLDTR-T ensures reliable performance in a compact 38-TSSOP package, making it ideal for space-constrained environments. With its advanced features and protective mechanisms, the Motor Drivers, Controllers Allegro MicroSystems A3938SLDTR-T facilitates precise motor management and improved operational longevity, making it a prime choice for developers and engineers looking to enhance their motor control systems.
A3938SLDTR-T Features
This motor driver is equipped with a range of features that enhance its functionality and reliability in demanding applications:
- Wide operating voltage range from 18V to 50V, suitable for diverse motor specifications.
- Integrated DMOS output stage, offering high-efficiency driving capabilities.
- Protection against overcurrent, short circuits, and thermal overload, ensuring long-term reliability.
- Compact 38-TSSOP package, perfect for applications with limited space.
- Simple interfacing with microcontrollers for ease of integration and use.
A3938SLDTR-T Applications
- Automotive Applications: Used in fuel pump control, climate control fans, and power window systems, where reliability and efficient power management are critical.
- Industrial Automation: Ideal for driving stepper motors in automated conveyor systems and robotics, offering precise control and robust operation.
- Consumer Electronics: Applied in high-performance computer cooling fans and robotic vacuum cleaners, enhancing the efficiency and functionality of these devices.
- Office Automation: Powers printers and scanners, providing stable and precise control required for smooth operation.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















