Allicdata Part #: | MIC2164YMM-TR-ND |
Manufacturer Part#: |
MIC2164YMM-TR |
Price: | $ 0.56 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Microchip Technology |
Short Description: | IC REG CTRLR BUCK 10MSOP |
More Detail: | Buck Regulator Positive Output Step-Down DC-DC Co... |
DataSheet: | MIC2164YMM-TR Datasheet/PDF |
Quantity: | 1000 |
2500 +: | $ 0.51263 |
Frequency - Switching: | 300kHz |
Base Part Number: | MIC2164 |
Supplier Device Package: | 10-MSOP |
Package / Case: | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
Operating Temperature: | -40°C ~ 125°C (TJ) |
Control Features: | Enable |
Serial Interfaces: | -- |
Clock Sync: | No |
Synchronous Rectifier: | Yes |
Duty Cycle (Max): | 87% |
Series: | Hyper Speed Control® |
Voltage - Supply (Vcc/Vdd): | 3 V ~ 28 V |
Output Phases: | 1 |
Number of Outputs: | 1 |
Topology: | Buck |
Output Configuration: | Positive |
Function: | Step-Down |
Output Type: | Transistor Driver |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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MIC2164YMM-TR Application Field and Working Principle
As a DC-DC switching controller, the MIC2164YMM-TR is a tiny, low cost, high performance voltage regulator ideal for use in embedded applications, robotics, motor and power control, consumer electronics, and HVAC/R systems. It is manufactured by Micrel Inc, and features an adjustable output current range from -80uA to +2A, an adjustable voltage range from 0.5V to 15V, and a wide operating temperature range from -40°C to +125°C. It also has an adjustable regulation threshold, programmable hysteresis and over-voltage protection.
The main application areas of this device are automotive, consumer, and industrial. In automotive, it is used in applications such as electronic throttle control, immobilizer systems, vehicle diagnostic systems, and HVAC systems. Other applications include portable medical devices, LED lighting, metering systems, and motor control.
Working Principle
The MIC2164YMM-TR is an advanced switching regulator controller. It switches rapidly and accurately between two voltage levels, providing constant voltage and/or current to an output load. The device contains an on-board 500kHz fixed-frequency oscillator that drives an internal MOSFET switch. At each switching cycle, the oscillator changes the switching rate between the two pre-programmed voltage levels, or adjusts automatically to minimize external components and minimize power dissipation. The maximum switching current is limited to 2 A, while the maximum output current is limited to 5.5 A.
The device is equipped with a 20V gate drive voltage, with full current limiting and short circuit protection. It also provides adjustable input over-voltage protection, adjustable output overcurrent protection, and under-voltage lockout. The device enables high current and voltage regulation accuracy with high efficiency through programmable current and voltage limits. The integral hysteretic synchronous intermittent control provides robust, high-performance power switching.
The MIC2164YMM-TR also features an adjustable soft start, which is used to prevent inrush current on startup, as well as overshoot and undershoot. This soft start also helps to reduce EMI. The device also features programmable fault protection, allowing it to detect and recover from overload and over temperature conditions, as well as providing protection from excessive output voltage or current.
To ensure reliable operation, the MIC2164YMM-TR operates at low power dissipation and has high efficiency. Its high performance, cost-effective power switching design makes it an ideal choice for use in a wide range of applications.
The specific data is subject to PDF, and the above content is for reference
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