ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC MTR DRV MULTI 5.5-50V 28TSSOP
- Series：-
- Mfr：Allegro MicroSystems
- Package：Tape & Reel (TR)
- Motor Type - Stepper：Multiphase
- Motor Type - AC, DC：Brushless DC (BLDC)
- Function：Controller - Commutation, Direction Management
- Output Configuration：Pre-Driver - Half Bridge (3)
- Interface：Parallel
- Technology：Power MOSFET
- Step Resolution：-
- Applications：-
- Current - Output：-
- Voltage - Supply：5.5V ~ 50V
- Voltage - Load：-
- Operating Temperature：-40°C ~ 150°C (TA)
- Mounting Type：Surface Mount
- Package / Case：28-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：28-TSSOP-EP
- Grade：Automotive
- Qualification：-
Download product information
Overview
The A4939KLPTR-3-T is a brushless DC motor gate driver integrated circuit manufactured by Allegro MicroSystems. It features an integrated 3V regulator and is housed in an LP-28 package. The device operates within a supply voltage range of 5.5V to 50V and supports PWM interfaces for precise control. Designed for automotive applications, it includes protection mechanisms such as overcurrent and thermal shutdown. The component is moisture sensitive and supplied in reel packaging.
Feature Summary
- Integrated 3V regulator for auxiliary power supply
- Gate driver architecture optimized for BLDC motor control
- Automotive-grade reliability with comprehensive protection features
Applications
- Brushless DC motor control systems
- Automotive motion control applications
- Industrial motor drive circuits
Procurement Notes
Verify the specific suffix '-3-T' against official datasheets to confirm pinout and electrical characteristics, as variations exist within the A4939 family. Ensure compatibility with your system's voltage requirements and interface signals before integration. Check for current manufacturing status and obsolescence notices from Allegro MicroSystems to avoid supply chain disruptions during production.
Selection Notes
Select this component when designing BLDC motor drivers requiring an integrated logic supply regulator. It is suitable for applications needing robust gate driving capabilities within the specified voltage range. Consider the LP-28 package constraints and thermal management requirements for high-current operations. Verify that the PWM interface aligns with your microcontroller or controller unit outputs.
Part Context
This part belongs to the A4939 series of BLDC gate drivers from Allegro MicroSystems. The series is designed for automotive and industrial motor control applications. The A4939 provides a complete solution for driving three-phase BLDC motors with integrated protections and regulation, simplifying the design process compared to discrete solutions.
Replacement Considerations
Consult Allegro MicroSystems documentation for direct replacements or pin-compatible alternatives within the A49xx series. Verify functional equivalence regarding voltage ratings, current capabilities, and package dimensions before substitution.
