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A7987TR

Name: A7987TR
Rating: 4.7 (12 reviews)

61 V 3A ASYNCHRONOUS STEP-DOWN S

メーカー
Mfr。パート #A7987TR
パッケージ HTSSOP-16
データシート A7987TR DataSheet
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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
Series	Automotive, AEC-Q100
ProductStatus	Active
OutputType	Transistor Driver
Function	Step-Down
OutputConfiguration	Positive
Topology	Buck-Boost
NumberofOutputs	1
OutputPhases	1
Voltage-Supply(Vcc/Vdd)	4.5V ~ 61V
Frequency-Switching	250kHz ~ 1.5MHz
DutyCycle(Max)	100%
SynchronousRectifier	Yes
ClockSync	Yes
ControlFeatures	Current Limit, Enable, Frequency Control, Power Good, Soft Start
OperatingTemperature	-40°C ~ 150°C (TJ)
MountingType	Surface Mount
Package/Case	16-PowerTSSOP (0.173, 4.40mm Width)

概要

Description

The A7987TR is not a widely recognized term or product as of my last update. It may refer to a specific model number, SKU, or part used in a niche industry, such as electronics, automotive, or manufacturing. In such contexts, it might denote a component like a microchip, sensor, or other technical parts. If you are looking for specific information about this item, it's best to consult the manufacturer's resources or industry-specific documentation. For the most accurate and up-to-date information, checking directly with the company or supplier that provides this product would be ideal. If this pertains to a recent development or release after my last update, please refer to the latest available resources or announcements from relevant organizations.

Package

The A7987TR is an integrated step-down switching regulator, typically offered in an SOIC-8 package with exposed pad. This package type is designed to provide efficient thermal dissipation and is commonly used in power management applications.

Pinout

The A7987TR is a step-down switching regulator IC from STMicroelectronics. It is typically housed in a small-outline package, such as an HTSSOP. The exact pin count and function may vary slightly depending on the specific package type used, but common configurations include 8 or 16 pins.
Generally, the pins on such a regulator IC will include:
- VIN: Input voltage supply pin.
- GND: Ground connection.
- SW: Switch output, connected to the inductor.
- FB: Feedback input for voltage regulation.
- COMP: Compensation pin for loop stability.
- EN: Enable input to turn the regulator on or off.
- VOUT/SENSE: Output voltage sensing or output pin.
For precise pin configuration, you should refer to the specific datasheet provided by the manufacturer, which will detail the package outline, pin assignment, and functional description.

Manufacturer

The A7987TR is manufactured by Allegro MicroSystems. Allegro MicroSystems is a company that specializes in designing and manufacturing high-performance power and sensing semiconductor solutions. Their technologies are widely used in automotive, industrial, and consumer applications, focusing on innovations that improve motion control, energy efficiency, and system safety.

Application

The A7987TR is a part of Allegro Microsystems' family of motor driver ICs. It is typically used in automotive and industrial applications, including electric power steering, transmission actuators, and industrial automation systems. Its features, such as high-current capability and robust protection mechanisms, make it suitable for driving brushless DC and stepper motors.

Equivalent

The A7987TR is a step-down switching regulator by STMicroelectronics. Equivalent products could include the LM2596 by Texas Instruments, the MC34063 by ON Semiconductor, and the MP2315 by MPS (Monolithic Power Systems). Always compare specifications such as input voltage range, output current, and switching frequency to ensure compatibility with your application.