TL594CD The Texas Instruments TL594CD is a pulse-width-modulation (PWM) control circuit designed for power supply applications. It offers versatile control features and a wide operating voltage range.
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TL594CD

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TL594CD is a pulse-width-modulation (PWM) control circuit designed for power supply applications. It offers versatile control features and a wide operating voltage range.
✓ Total Stock: 409 pcs
$ Price Range: $0.45

TL594CD Available from 1 distributor

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✓ Non-Authorised
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TL594CD Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Clock Sync
Control Features
Duty Cycle (Max)
Frequency
Function
Industrial Grade
Medical Grade
Military Grade
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
Supplier Device Package
Synchronous Rectifier
Topology
Voltage

TL594CD Description

Short technical summary and product information.

The TL594CD from Texas Instruments is a complete PWM power-control circuit integrated onto a single chip. It is designed for power supply control, offering systems engineers flexibility in tailoring control circuitry to specific applications. Key features include uncommitted outputs capable of 200-mA sink or source current, and output control that selects between single-ended or push-pull operation.

 

This device incorporates two error amplifiers, an on-chip adjustable oscillator, a dead-time control (DTC) comparator, a pulse-steering control flip-flop, and an undervoltage lockout (UVLO) control circuit. The architecture prevents double pulsing at either output and provides variable dead time for control over the total range. It operates over a voltage range of 7V to 40V and supports frequencies from 1kHz to 300kHz.

 

The TL594CD is available in a 16-SOIC package, suitable for surface mount applications. Its robust design makes it suitable for various power supply applications, including AC/DC supplies with or without PFC, server PSUs, and solar power inverters.

TL594CD Quick Information

Product Type: PWM Controller
Canonical Name: TL594 Pulse-Width-Modulation Control Circuit
Subcategory: DC DC Switching Controllers

TL594CD Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TL594CD Estimated Pricing

Qty Low High
1+ $0.45 $0.45

Estimated market price range - modelled values for guidance only, not live distributor offers.

TL594CD Features

  • Complete PWM power-control circuitry.
  • 200-mA sink or source current outputs.
  • Selectable single-ended or push-pull operation.
  • Variable dead time control feature.
  • Undervoltage lockout protection included.

TL594CD Applications

  • Suitable for AC/DC power supplies.
  • Used in server power supply units.
  • Applicable to solar micro-inverters.
  • Designed for telecom power supplies.

TL594CD FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the TL594CD?

The TL594CD operates from 7V to 40V.

What package is the TL594CD available in?

The TL594CD is available in a 16-SOIC surface-mount package (0.154" width, 3.90mm).

What is the operating temperature range of the TL594CD?

The operating temperature range is 0°C to 70°C (TA).

What topologies does the TL594CD support?

It supports buck, boost, flyback, forward converter, full-bridge, half-bridge, and push-pull topologies.

What is the maximum duty cycle of the TL594CD?

The maximum duty cycle is 97%.

Does the TL594CD have an internal reference?

Yes, it has an internal 5V reference trimmed to 1% accuracy.

What is the output current capability?

Each output can sink or source 200 mA.

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