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L6491D The L6491D is a half-bridge gate driver IC from STMicroelectronics. It features 4A peak output current, 10V-20V supply voltage, and independent channels for driving IGBTs and N-Channel MOSFETs.
Mfr Part #:

L6491D

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The L6491D is a half-bridge gate driver IC from STMicroelectronics. It features 4A peak output current, 10V-20V supply voltage, and independent channels for driving IGBTs and N-Channel MOSFETs.
✓ Total Stock: 5,459 pcs
$ Price Range: $2.01

L6491D Available from 4 distributors

✓ Authorised
✓ Non-Authorised
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L6491D Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Channel Type
Current
Driven Configuration
Gate Type
High Side Voltage
Input Type
Lead Spacing
Lead Style
Logic Voltage
Mounting Type
Number of Drivers
Operating Temperature
Rise
Supplier Device Package
Voltage
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L6491D Description

Short technical summary and product information.

The L6491D is a half-bridge gate driver IC manufactured by STMicroelectronics. It is designed to drive IGBTs and N-Channel MOSFETs in half-bridge configurations. The device provides two independent gate drive channels, each capable of sourcing and sinking 4A peak current. The supply voltage range is 10V to 20V, and the logic voltage thresholds are 1.45V and 2V.

 

The driver operates over a temperature range of -40°C to 125°C, making it suitable for industrial and automotive environments. The independent channel type allows flexible control of high-side and low-side switches. The gate type supported includes both IGBT and N-Channel MOSFET.

 

The L6491D is offered in a 14-SOIC surface mount package with a width of 3.90mm. This compact package is ideal for space-constrained designs. The half-bridge configuration is commonly used in motor drives, power converters, and switch-mode power supplies.

L6491D Quick Information

Product Type: Gate Driver IC
Canonical Name: L6491D Half-Bridge Gate Driver with 4A Output, 10V-20V Supply, 14-SOIC
Subcategory: Half-Bridge Gate Driver

L6491D Compliance

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

L6491D Estimated Pricing

Qty Low High
1+ $2.01 $2.01

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

L6491D Features

  • Half-bridge driven configuration.
  • 4A peak output current per channel.
  • 10V to 20V supply voltage range.
  • Independent channel type.
  • Surface mount 14-SOIC package.

L6491D Applications

  • Drives IGBT and N-Channel MOSFET gates.
  • Suitable for half-bridge power converters.
  • Used in motor control applications.
  • Ideal for switch-mode power supplies.
  • Applicable in industrial power systems.

L6491D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the L6491D?

10V to 20V.

What is the operating temperature range?

-40°C to 125°C.

What package does the L6491D come in?

14-SOIC (0.154", 3.90mm Width) surface mount package.

What is the driven configuration?

Half-Bridge.

What gate types does it support?

IGBT and N-Channel MOSFET.

How many drivers does it have?

2 independent drivers.

What is the output current capability?

4A per channel.

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