TL1454ACPWR

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TL1454ACPWR

IC REG CTRLR MULT TOP 16TSSOP

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Bảo hành 365 ngày

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Thông số kỹ thuật

Part Status Active
Output Type Transistor Driver
Function Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration Positive, Isolation Capable
Topology Buck, Boost, Flyback
Number of Outputs 2
Output Phases 1
Voltage - Supply (Vcc/Vdd) 3.6V ~ 20V
Frequency - Switching 50kHz ~ 2MHz
Duty Cycle (Max) 100%
Synchronous Rectifier Yes
Clock Sync No
Control Features Dead Time Control, Frequency Control
Operating Temperature -20°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 16-TSSOP
Base Product Number TL1454

Tổng quan

Description

The TL1454ACPWR is a part number typically associated with an integrated circuit (IC) produced by Texas Instruments. It is a PWM (Pulse Width Modulation) controller that is often used in power supply circuits and motor control applications. This IC is designed to provide precise control over the pulse width of signals, allowing for efficient power management and regulation.
The "TL1454" denotes the specific series and functionality of the IC, while "ACPWR" refers to the package type and any specific suffixes that describe its physical and electrical characteristics. This particular model might come in a surface-mount or through-hole package suitable for different electronic designs.
In applications, the TL1454ACPWR is valued for its ability to drive high-frequency, high-efficiency power supplies, contributing to longer battery life in portable devices and better energy efficiency in larger systems. Its integration allows for compact designs with reduced component count, benefiting engineers focused on optimizing power solutions. Always refer to the manufacturer’s datasheet for detailed specifications and application guidelines.

Features

The TL1454ACPWR is a dual PWM controller designed for DC-DC converter applications. Key features include:
1. Dual PWM Channels: Supports two independent PWM controllers, allowing for multiple outputs from a single device.
2. Wide Input Voltage Range: Capable of operating over a broad range of input voltages, making it versatile for various applications.
3. High Frequency Operation: Supports high-frequency switching up to several hundred kHz, enabling smaller external components and faster transient response.
4. Low Power Consumption: Features low quiescent current, enhancing efficiency and extending battery life in portable applications.
5. Adjustable Duty Cycle: Allows for fine-tuning of the output voltage regulation through adjustable duty cycles.
6. Protection Features: Includes built-in protection mechanisms like over-current protection and under-voltage lockout to ensure safe operation.
7. Surface-Mount Package: Comes in a compact TSSOP (Thin Shrink Small Outline Package) that is suitable for space-constrained designs.
8. Temperature Range: Supports a wide operating temperature range, making it suitable for various environmental conditions.
These features make the TL1454ACPWR ideal for use in power supply design for consumer electronics, telecommunications, and other applications requiring efficient DC-DC conversion.

Package

The TL1454ACPWR is housed in a PowerPAD™ TSSOP (Thin Shrink Small Outline Package) with 20 pins. This package is designed to offer good thermal performance due to the integrated thermal pad.

Pinout

The TL1454ACPWR is a dual PWM controller designed by Texas Instruments, primarily used for DC-DC converter applications. This device is available in a 20-pin TSSOP (Thin Shrink Small Outline Package) configuration.
The 20 pins include various functions essential for its operation, such as:
1. VCC - Supply Voltage
2. GND - Ground
3. Output A/B - PWM outputs for controlling external power devices.
4. Feedback A/B - Inputs for feedback voltage from the converters.
5. Comp A/B - Compensation network pins for stability and transient response tuning.
6. Sense A/B - Current sense inputs for overcurrent protection.
7. Shutdown A/B - Inputs for shutdown control.
8. Soft Start A/B - Pins for soft-start capacitors to control inrush current.
The TL1454ACPWR is designed to support dual-channel operation, making it suitable for managing multiple power rails in electronic devices. It offers a range of functionalities, including voltage regulation, current limiting, and thermal protection, which are crucial for efficient power management in complex circuits.

Manufacturer

The TL1454ACPWR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and makes analog and embedded processing chips. These technologies play a crucial role in electronics across various sectors, including industrial, automotive, personal electronics, and communications equipment.

Application

The TL1454ACPWR is a dual PWM controller commonly used in power management applications. Its primary application areas include DC-DC converters, power supply regulation, and battery charging systems. It is suitable for use in telecommunications, computing, and industrial equipment where efficient power conversion and management are essential. The device's ability to manage multiple power rails makes it ideal for complex electronic systems requiring precise voltage regulation and power efficiency.

Equivalent

The TL1454ACPWR is a Texas Instruments dual PWM controller. Equivalent products might include PWM controllers with similar specifications from other manufacturers, such as the LTC3722 from Analog Devices, the UC3525 from ON Semiconductor, or the LM3524 from Texas Instruments. It's important to compare specific electrical characteristics and features to ensure compatibility in your application.

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