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TL1451AQPWRG4Q1 The Texas Instruments TL1451AQPWRG4Q1 is a dual-channel PWM controller designed for power supply control. It operates over a wide voltage range and features frequency control.
Mfr Part #:

TL1451AQPWRG4Q1

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TL1451AQPWRG4Q1 is a dual-channel PWM controller designed for power supply control. It operates over a wide voltage range and features frequency control.
✓ Total Stock: 84,226 pcs
$ Price Range: $1.87

TL1451AQPWRG4Q1 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
84,000 pcs
On Request
84000 pcs On Request 1 On Request On Request 1336+ On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
226 pcs
On Request
226 pcs On Request 1 On Request On Request 07+NOPB On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TL1451AQPWRG4Q1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Clock Sync
Control Features
Frequency
Function
Lead Style
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
Package Quantity
Supplier Device Package
Supplier Package
Synchronous Rectifier
Tape & Reel
Topology
Voltage
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TL1451AQPWRG4Q1 Description

Short technical summary and product information.

The Texas Instruments TL1451AQPWRG4Q1 is a dual-channel Pulse-Width Modulation (PWM) control circuit integrated onto a single monolithic chip. Designed primarily for power-supply control applications, this device incorporates essential functions including an on-chip 2.5-V regulator, error amplifiers, an adjustable oscillator, dead-time comparators, and undervoltage lockout circuitry.

 

Key electrical specifications include a wide supply voltage range of 3.6 V to 50 V and an oscillator frequency that can reach up to 500 kHz. The controller supports multiple topologies such as Buck, Boost, and Flyback, with functions for Step-Up, Step-Down, and Step-Up/Step-Down operations. It features frequency control for design flexibility.

 

This component is qualified for automotive applications and operates within a temperature range of -40°C to 125°C. It is housed in a 16-TSSOP package suitable for surface mounting. The TL1451AQPWRG4Q1 offers a robust solution for various power management designs requiring precise PWM control.

TL1451AQPWRG4Q1 Quick Information

Product Type: DC DC Switching Controller
Canonical Name: Texas Instruments TL1451A-Q1 Dual Pulse-Width-Modulation Control Circuit
Subcategory: Power Management ICs

TL1451AQPWRG4Q1 Compliance

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

TL1451AQPWRG4Q1 Estimated Pricing

Qty Low High
1+ $1.87 $1.87

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

TL1451AQPWRG4Q1 Features

  • Dual-channel PWM control circuit.
  • Wide 3.6V to 50V supply voltage range.
  • Oscillator frequency up to 500 kHz.
  • Supports Buck, Boost, and Flyback topologies.
  • Qualified for automotive applications.

TL1451AQPWRG4Q1 Applications

  • Use in dual-output PWM power supplies.
  • Suitable for buck-boost converter designs.
  • Drives external power transistor stages.
  • Supports step-down and step-up regulation.
  • Ideal for flyback converter applications.

TL1451AQPWRG4Q1 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the TL1451AQPWRG4Q1?

3.6 V to 50 V.

What package is the TL1451AQPWRG4Q1 available in?

16-TSSOP surface-mount package.

What is the operating temperature range of the TL1451AQPWRG4Q1?

-40°C to 125°C (junction).

What is the maximum oscillator frequency of the TL1451AQPWRG4Q1?

500 kHz.

What topologies does the TL1451AQPWRG4Q1 support?

Buck, boost, and flyback.

How many outputs does the TL1451AQPWRG4Q1 have?

2 outputs.

What functions does the TL1451AQPWRG4Q1 provide?

Step-up, step-down, and step-up/step-down.

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