Tl494 module, Designed primarily for power-supply control, this device offers the flexibility to tailor the power-supply control circuitry to a specific application. Download. It is designed to be used within different power supply circuits. Block diagram of TL494 is shown below: It is a fixed frequency and a variable PWM IC. Jul 1, 2024 · The IC TL494 is a versatile PWM control IC, which can be applied in many different ways in electronic circuits. Modulation of output pulses is accomplished by comparing the sawtooth waveform created by the internal oscillator on the timing capacitor (C T) to either of two control signals. This IC provides many features like error amplifiers, output control circuits, and adjustable oscillators. The TL494 device incorporates all the functions required in the construction of a pulse-width-modulation (PWM) control circuit on a single chip. The TL494 contains an error amplifier, an on-chip adjustable oscillator, a dead-time control comparator, pulse-steering control flip-flop, a 5 volt pre. Some of the key features include: The TL494 is a flexible pulse-width modulation (PWM) controller used in automotive, industrial, and consumer electronics. It has all the functions required to design a power supply circuit. TL494 PWM Controller Module is a high-performance integrated circuit (IC) mounted on a compact breakout board, designed to simplify the creation of efficient switching power supplies, DC-DC converters, and motor control circuits. File Size: 143Kbytes. Page: 12 Pages. It can be used in single-end operation as well as in push-pull configuration. Pulse widt Description: SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT. The TL494 is a fixed−frequency pulse width modulation control circuit, incorporating the primary building blocks required for the control of a switching power supply. The device is mainly created for ply control circuitry to one’s application. The TL494 offers a range of features that make it an ideal choice for power supply applications. It also provides variable dead time which provides a maximum range of PWM. The TL494 PWM Controller incorporates all the functions required in the construction of a pulse width modulation (PWM) control circuit on a single chip. Jul 24, 2025 · The TL494 is a PWM (pulse-width modulation) control IC, available in 16-pin TSSOP, PDIP, SOP, and SOIC packages. Features: The output PWM frequency can be adjusted within the range of 300Hz-100KHz, and the duty cycle can be adjusted up to 96% The output driving ability is strong, and the signal is stable The TL494 is a fixed-frequency pulse-width-modulation (PWM) control circuit. Part #: TL494. Manufacturer: Motorola, Inc. This article explores its design, including pin layout, features, internal structure, and real-world applications. In this articles I have explained in detail regarding the main functions of the IC, and also how to use it in practical circuits. May 20, 2024 · In this comprehensive guide, we will cover everything you need to know about the TL494 to help you integrate it into your project successfully. Description: SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT. It is a complete PWM control IC. General Description The IC TL494 is specifically designed for single chip pulse width modulation application circuits. TL494 PWM adjustment module, which can adjust the output frequency and duty cycle, is widely used in switching power supply, PWM drive circuit, etc. Manufacturer: ON Semiconductor.
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