MIC2185YQS

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MIC2185YQS

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IC REG CTRLR BUCK 16QSOP

  • メーカーマイクロチップ・テクノロジー

  • メーカー品番 #MIC2185YQS

  • データシート MIC2185YQS DataSheet

  • パッケージ QSOP-16

  • 在庫状況4933

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
Package Tube
ProductStatus Active
OutputType Transistor Driver
Function Step-Down
OutputConfiguration Positive
Topology Buck
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 2.9V ~ 14V
Frequency-Switching 400kHz
DutyCycle(Max) 100%
SynchronousRectifier No
ClockSync Yes
ControlFeatures Enable, Frequency Control, Soft Start
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 16-SSOP (0.154, 3.90mm Width)

概要

Description

The MIC2185YQS is a high-performance synchronous buck regulator controller designed for efficient power management in electronic devices. It is utilized in applications requiring precise voltage regulation and high efficiency, such as computers, communication equipment, and industrial systems. The device operates with a wide input voltage range and provides a fixed output voltage, making it versatile for various applications.
Key features of the MIC2185YQS include its ability to deliver high output current with minimal power loss, thanks to its synchronous rectification technology. It offers programmable switching frequency, allowing for optimization in terms of efficiency and size of external components. The controller also includes features like current limit protection, thermal shutdown, and undervoltage lockout to enhance reliability and safety.
Overall, the MIC2185YQS is valued for its ability to improve power supply efficiency, reduce heat generation, and ensure stable operation in complex electronic systems. Its compact design and robust performance make it a popular choice for engineers seeking effective power management solutions.

Equivalent

The MIC2185YQS is a high-efficiency synchronous buck controller. Equivalent products include the LTC1628 from Analog Devices, the TPS40170 from Texas Instruments, and the MAX8731 from Maxim Integrated. These alternatives offer similar functionalities such as high efficiency and synchronous rectification for step-down voltage regulation, though specific features and ratings may vary. Always compare datasheets to ensure compatibility with your application.

Features

The MIC2185YQS is a high-performance synchronous buck controller designed for step-down voltage conversion applications. Its key features include:
1. Voltage Range: Operates from a wide input voltage range, typically from 4.5V to 28V, making it suitable for various power supply designs.
2. Output Voltage: Allows for adjustable output voltage down to 0.8V, providing flexibility for different applications.
3. Efficiency: Offers high efficiency due to its synchronous rectification feature, which reduces power loss.
4. Output Current: Capable of driving high output currents with external MOSFETs, allowing for scalable power solutions.
5. Switching Frequency: Features a programmable switching frequency up to 1MHz, enabling compact design and reduced external component size.
6. Protection Features: Includes over-voltage protection, under-voltage lockout, and thermal shutdown to enhance reliability and protect against faults.
7. Soft-Start: Incorporates a soft-start feature to gradually ramp up output voltage, minimizing inrush current and ensuring smooth operation.
8. Package: Available in a compact SOIC-8 package, facilitating easy integration into PCB designs.
These features make the MIC2185YQS suitable for various applications, including consumer electronics, industrial, and telecommunications equipment.

Pinout

The MIC2185YQS is a high-efficiency PWM buck control IC. It typically comes in a QSOP-16 package, which means it has 16 pins. The primary function of the MIC2185 is to control DC-DC buck converters, providing a regulated output voltage from a higher input voltage.
Key functions and pin roles include:
1. VIN: Input voltage supply.
2. SW (Switch): Drives the external MOSFET.
3. GND: Ground reference.
4. COMP (Compensation): Error amplifier output for loop compensation.
5. FB (Feedback): Receives the output voltage feedback for regulation.
6. VDD: Internal LDO output, powers IC.
7. BOOST: Drives the high-side gate.
8. PGND: Power ground for high-current paths.
9. SD (Shutdown): Enables or disables the device.
10. SYNC: Synchronization input for external clock.
11. Other Pins: Additional pins may be used for soft-start, frequency setting, and other control functions.
Check the specific datasheet for detailed pin descriptions and configuration options.

Manufacturer

The MIC2185YQS is manufactured by Microchip Technology Inc. Microchip is a leading semiconductor company that provides a wide range of microcontroller, analog, mixed-signal, and Flash-IP solutions. The company offers products and services to a variety of markets including industrial, automotive, consumer, aerospace, and communications. Microchip's products are known for their reliability and performance, and they support innovation in embedded control applications.

Application

The MIC2185YQS is a high-efficiency, synchronous buck controller used in various applications. Key areas include powering microprocessors, DSPs, and FPGAs in computing and telecommunications equipment. It's also employed in distributed power systems and point-of-load conversions due to its ability to provide precise voltage regulation and high current output. Additionally, the controller is suitable for use in networking devices, storage equipment, and industrial power solutions, where compact size and efficient power conversion are crucial. Its programmable features and protection mechanisms make it ideal for applications requiring reliable and customizable power management.

Package

The MIC2185YQS comes in a SOIC-16 package, which stands for Small Outline Integrated Circuit with 16 pins.

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