TPS40170RGYR

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TPS40170RGYR

IC REG CTRLR BUCK 20VQFN

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  • Fr. Teil #TPS40170RGYR
  • Paket VQFN (RGY)-20
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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputType Transistor Driver
Function Step-Down
OutputConfiguration Positive
Topology Buck
NumberofOutputs 1
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 4.5V ~ 60V
Frequency-Switching 100kHz ~ 600kHz
DutyCycle(Max) 95%
SynchronousRectifier Yes
ClockSync Yes
ControlFeatures Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 20-VFQFN Exposed Pad

Übersicht

Description

The TPS40170RGYR is a synchronous buck controller from Texas Instruments, designed for applications requiring high efficiency and compact size. It is suitable for step-down voltage conversion and operates over a wide input voltage range. Key features of the TPS40170 include programmable switching frequency, voltage mode control with input voltage feed-forward, and adaptive dead-time control to optimize efficiency. The device supports a range of output voltages through an external resistor divider and offers various protections such as overcurrent, undervoltage, and thermal shutdown. It is typically used in telecommunications, networking, and other industrial applications where reliable power management is critical. The TPS40170 is housed in a 16-pin VQFN package, making it suitable for compact designs.

Features

The TPS40170RGYR is a high-performance, synchronous buck controller from Texas Instruments designed for use in a wide range of applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 60V, making it suitable for a variety of power sources.
2. High Efficiency: Supports synchronous rectification to improve efficiency, particularly in high-current applications.
3. Adjustable Switching Frequency: Allows for frequency settings from 100 kHz to 600 kHz, providing flexibility in optimizing performance according to specific application needs.
4. Integrated MOSFET Drivers: Reduces the need for external components, simplifying the design and conserving board space.
5. Programmable Soft Start: Helps to minimize inrush currents by allowing controlled ramp-up of output voltage during startup.
6. Voltage Tracking and Sequencing: Facilitates coordinated power-up and power-down sequences in multi-rail systems.
7. Protection Features: Includes over-voltage, under-voltage, over-current, and thermal shutdown protections to enhance reliability and safety.
8. Compact Package: Available in a thermally efficient 16-pin VQFN package, ideal for space-constrained designs.
These features make the TPS40170RGYR a versatile choice for DC/DC conversion in industrial, automotive, and communications equipment.

Package

The TPS40170RGYR is a DC-DC controller from Texas Instruments, offered in a VQFN package with 20 pins. VQFN stands for Very Thin Quad Flat No-lead, which is known for its small size and efficient thermal performance, suitable for compact and high-performance applications.

Pinout

The TPS40170RGYR is a synchronous buck controller from Texas Instruments. It comes in a 20-pin VQFN (RGY) package. The TPS40170RGYR is designed for high-performance, step-down (buck) DC-DC converter applications.
Key features include wide input voltage range support, typically from 4.5 V to 60 V, and it is capable of driving N-channel MOSFETs in a synchronous buck configuration. It provides high efficiency and allows for precise regulation, making it suitable for high-current power conversion applications. The TPS40170 also integrates protection features such as under-voltage lockout (UVLO), overvoltage protection, short-circuit protection, and thermal shutdown.
The 20 pins on the device are used for functions including power input, feedback, compensation, switching nodes, gate drives for the MOSFETs, and other control and monitoring features necessary for the operation and regulation of the output voltage.

Manufacturer

The TPS40170RGYR is manufactured by Texas Instruments (TI), a global technology company. Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits, which are used in a wide range of electronic applications. The company is a leading player in the electronics industry, providing products for markets such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is recognized for its innovation and contributions to the advancement of technology.

Application

The TPS40170RGYR is a synchronous buck controller designed for applications requiring efficient step-down voltage regulation. Key application areas include telecommunications, networking equipment, and industrial power systems. It is particularly useful in scenarios demanding high current, low output voltage, and a wide input voltage range, such as in distributed power systems and server power supplies. Its features make it suitable for designing power management solutions in complex electronic systems.

Equivalent

The TPS40170RGYR is a synchronous buck controller from Texas Instruments. Equivalent products include the LTC3891 from Analog Devices, LM5117 from Texas Instruments, and MAX17504 from Maxim Integrated (now part of Analog Devices). These alternatives offer similar voltage and current capabilities suited for high-efficiency step-down applications. Always verify specific electrical and thermal requirements before choosing a substitute.

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