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  • The L6494 is a high-voltage device manufactured with the BCD6 “offline” technology. It is a single chip half-bridge gate driver for N-channel power MOSFETs or IGBTs.

    The high-side (floating) section is designed to stand a DC voltage rail up to 500 V, with 600 V transient withstand voltage. The logic inputs are CMOS/TTL compatible down to 3.3 V for easy interfacing control units such as microcontrollers or DSP.
    The device is a single input gate driver with programmable deadtime, and also features an active-low shutdown pin.
    Both device outputs can sink 2.5 A and source 2 A, making the L6494 particularly suited for medium and high capacity power MOSFETs\IGBTs.
    The independent UVLO protection circuits present on both the lower and upper driving sections prevent the power switches from being operated in low efficiency or dangerous conditions.
    The integrated bootstrap diode as well as all of the integrated features of this driver make the application PCB design simpler and more compact, and help reducing the overall bill of material.

    Key Features

    • Transient withstand voltage 600 V
    • dV/dt immunity ± 50 V/ns in full temperature range
    • Driver current capability:
      • 2 A source typ. at 25 °C
      • 2.5 A sink typ. at 25 °C
    • Short propagation delay: 85 ns
    • Switching times 25 ns rise/fall with 1 nF load
    • Integrated bootstrap diode
    • Single input and shutdown pin
    • Adjustable deadtime
    • 3.3 V, 5 V TTL/CMOS inputs with hysteresis
    • UVLO on both high-side and low-side sections
    • Compact and simplified layout
    • Bill of material reduction
    • Flexible, easy and fast design

Circuit Diagram

L6494_block_diagram

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Related Applications

Home and Professional Appliances

Industrial Power and Tools

Lighting and Controls

Evaluation Tools

    • Part Number

      Demonstration board for L6494L gate driver

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS12020
      High voltage high and low-side 2 A gate driver
      2.0
      447.25 KB
      PDF
      DS12020

      High voltage high and low-side 2 A gate driver

Publications and Collaterals

    • Description Version Size Action
      Electric vehicle (EV) ecosystem 1.1
      1.28 MB
      PDF

      Electric vehicle (EV) ecosystem

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L6494LD
Active
SO-14 Industrial Ecopack2
L6494LDTR
Active
SO-14 Industrial Ecopack2

L6494LD

Package:

SO-14

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-14

Grade

Industrial

RoHS Compliance Grade

Ecopack2

L6494LDTR

Package:

SO-14

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-14

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Package
Packing Type
Temperature (°C) Marketing Status
ECCN (US)
Country of Origin
Budgetary Price (US$)*/Qty
min
max
L6494LD Available at 2 distributors

Distributor availability ofL6494LD

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 687 1 Order Now
MOUSER WORLDWIDE 850 1 Order Now

Distributor reported inventory date: 2020-07-03

Distributor Name

DIGIKEY

Stock

687

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

850

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-03

Buy now SO-14 Tube -40 125
Active
EAR99 THAILAND 0.642 / 1k
L6494LDTR Available at 2 distributors

Distributor availability ofL6494LDTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2758 1 Order Now
MOUSER WORLDWIDE 2424 1 Order Now

Distributor reported inventory date: 2020-07-03

Distributor Name

DIGIKEY

Stock

2758

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

2424

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-03

Buy now SO-14 Tape And Reel -40 125
Active
EAR99 THAILAND 0.642 / 1k

L6494LD

Package

SO-14

Packing Type

Tube

Budgetary Price (US$)*/Qty

0.642 / 1k

Distributor availability ofL6494LD

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 687 1 Order Now
MOUSER WORLDWIDE 850 1 Order Now

Distributor reported inventory date: 2020-07-03

Distributor Name

DIGIKEY

Stock

687

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

850

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-03

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.642 / 1k

ECCN (US)

EAR99

Country of Origin

THAILAND

L6494LDTR

Package

SO-14

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

0.642 / 1k

Distributor availability ofL6494LDTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2758 1 Order Now
MOUSER WORLDWIDE 2424 1 Order Now

Distributor reported inventory date: 2020-07-03

Distributor Name

DIGIKEY

Stock

2758

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

2424

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-03

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.642 / 1k

ECCN (US)

EAR99

Country of Origin

THAILAND

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors