A4935KJPTR-T

Name: A4935KJPTR-T
Brand: Allegro MicroSystems
Rating: 4.5 (10 reviews)
Author: Lisleapex

Motor / Motion / Ignition Controllers & Drivers AUTOMOTIVE 3 PHASE GATE DRIVER

6,595 Effective Inventory

A4935KJPTR-T

Effective Inventory6,595

Motor / Motion / Ignition Controllers & Drivers AUTOMOTIVE 3 PHASE GATE DRIVER

Manufacturer Part # : A4935KJPTR-T
Package/Case: LQFP-48
Part Status : ACTIVE
Brand: Allegro MicroSystems
Product Categories : Motor Drivers, Controllers
Series : A4935
RoHS:

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A4935KJPTR-T DataSheet

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A4935KJPTR-T Details

The A4935KJPTR-T is a dual H-Bridge motor driver IC from Allegro Microsystems, designed for driving DC motors and other inductive loads in various automotive and industrial applications. This IC features dual full-bridge outputs with integrated protection diodes, making it suitable for controlling bidirectional motor movement. It offers high efficiency and reliability, along with overcurrent and overtemperature protection.

Pinout

1 (OUT1A): Output 1A
2 (OUT1B): Output 1B
3 (VBB1): Motor Supply Voltage 1
4 (VS): Logic Supply Voltage
5 (OUT2A): Output 2A
6 (OUT2B): Output 2B
7 (VBB2): Motor Supply Voltage 2

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Dual H-Bridge Configuration: Provides independent control of two loads.
Integrated Protection Diodes: Ensures safe operation and protects against inductive kickback.
High Efficiency: Optimized for low power dissipation and energy savings.
Overcurrent Protection: Safeguards the IC and connected loads during fault conditions.
Overtemperature Shutdown: Automatically shuts down the driver in case of excessive temperature.

Application

DC Motor Control: Ideal for driving DC motors in automotive and industrial systems.
Robotics: Used in robotics applications for motor control and movement.
Automotive Systems: Suitable for automotive actuator and motor control applications.

Where to Use

The A4935KJPTR-T is suitable for applications requiring precise control of DC motors and inductive loads. It is commonly used in automotive systems, robotics, and industrial automation for reliable and efficient motor control operations.

How to Use

Connect the A4935KJPTR-T to your DC motor by wiring the outputs to the motor terminals and providing the necessary supply voltages. Ensure proper logic supply voltage and motor supply voltage connections. Implement appropriate protection measures for overcurrent and overtemperature conditions. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the A4935KJPTR-T illustrates how to connect the H-Bridge motor driver to a DC motor for bidirectional control. It includes connections for motor supply voltages, logic supply voltage, and motor outputs, ensuring proper motor operation and protection.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

L298N: A similar dual H-Bridge motor driver with integrated protection features.
TB6612FNG: An alternative H-Bridge driver IC suitable for small DC motor applications.

Complementary

The A4935KJPTR-T can be complemented by the A3936SLJTR-T, which offers enhanced current handling capability and additional protection features, suitable for more demanding motor control applications.

When selecting complementary motor drivers, ensure compatibility with your load requirements and system specifications for optimal performance.

Frequently Asked Questions

Q: What is the maximum current rating of each H-Bridge output in the A4935KJPTR-T?

A: The A4935KJPTR-T can handle a maximum current of XXA per output. Refer to the datasheet for detailed current ratings and operational limits.

Q: Can the A4935KJPTR-T be used in automotive HVAC systems?

A: Yes, the A4935KJPTR-T is suitable for automotive HVAC applications, offering reliable motor control and protection features for various actuator systems.

Specifications

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

Product Category !	Motor / Motion / Ignition Controllers & Drivers	RoHS	Details
Product	Brushless DC Motor Controllers	Type	3 Phase
Operating Supply Voltage !	5.5 V to 50 V	Output Current !	150 mA
Operating Supply Current	10 mA	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature !	+ 150 C	Mounting Style	SMD/SMT
Package / Case	LQFP-48	Brand	Allegro MicroSystems
Load Voltage Rating	50 V	Moisture Sensitive	Yes
Number of Outputs	3 Output	Output Voltage	13 V
Product Type !	Motor / Motion / Ignition Controllers & Drivers	Rds On - Drain-Source Resistance	16 Ohms
Series	A4935	Factory Pack Quantity	1500
Subcategory	PMIC - Power Management ICs

FAQs

What is A4935KJPTR-T?

The A4935KJPTR-T is a three-phase, sensorless sinusoidal brushless DC motor driver IC designed by Allegro MicroSystems. It is specifically tailored for automotive applications, offering high efficiency and precision motor control.

How Does A4935KJPTR-T Work?

The A4935KJPTR-T operates by utilizing a sensorless sinusoidal control algorithm to drive three-phase brushless DC motors efficiently. It incorporates protection features such as overcurrent protection, over-temperature protection, and stall detection to ensure safe and reliable motor operation in automotive environments.

How Many Pins does A4935KJPTR-T have and What are the Functions of the Pinout Configuration?

The A4935KJPTR-T is housed in a 32-pin QFN (Quad Flat No-Lead) package. The pinout configuration includes:

GVCC, VREG: Internal voltage supply pins.
VCP1, VCP2, VCP3: Charge pump capacitor pins.
PWMx: Three sets of pulse-width modulation input pins.
DCx: Three sets of digital current control input pins.
BIx: Three sets of bi-directional current sense input pins.
SPI: Serial peripheral interface pins for configuration and communication.
THCx: Three sets of thermal warning output pins.

What are the Pros and Cons of A4935KJPTR-T?

Pros:

Automotive Grade: Designed for automotive applications with robust performance and reliability.
Efficiency: Provides efficient sinusoidal control for three-phase motors, optimizing energy consumption.
Protection Features: Includes various protection mechanisms for safe motor operation in challenging conditions.
Compact Package: The 32-pin QFN package offers a space-efficient solution for automotive systems.
Integration: Offers integrated driver and control functions for simplified motor control designs.

Cons:

Complexity: May require expertise in motor control algorithms for optimal performance.
Cost: Automotive-grade components like the A4935KJPTR-T may have higher associated costs.
External Components: Additional external components may be needed for specific motor control requirements.

Are There Any Equivalents/Alternatives to A4935KJPTR-T for Recommendation?

The TB9051FTG from Toshiba is a comparable automotive motor driver IC with similar features.
Alternatives to the A4935KJPTR-T include the STSPIN32F0 from STMicroelectronics and the DRV8305 from Texas Instruments.