High voltage high and low-side 2 A gate driver

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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.

    主要特性

    • 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

电路原理图

L6494_block_diagram

样片和购买

型号
Package
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Temperature (°C) Marketing Status
Budgetary Price (US$)*
Quantity
ECCN (US)
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min
max
L6494LD SO-14 Tube -40 125
Active
0.642 1000 EAR99
MORE INFO

Country of Origin:

CHINA

Check Availability

Distributor availability ofL6494LD

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DIGIKEY WORLDWIDE 951 1 Order Now
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MOUSER WORLDWIDE 936 1 Order Now

代理商库存报告日期: 2019-06-24

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951

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库存

936

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1

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代理商库存报告日期: 2019-06-24

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L6494LDTR SO-14 Tape And Reel -40 125
Active
0.642 1000 EAR99
MORE INFO

Country of Origin:

CHINA

Check Availability

Distributor availability ofL6494LDTR

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 2460 1 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
MOUSER WORLDWIDE 2484 1 Order Now
Farnell Element14 EUROPE 184 1 Order Now

代理商库存报告日期: 2019-06-24

代理商名称

DIGIKEY

库存

2460

Min.Order

1

地区

WORLDWIDE Order Now

FUTURE

库存

2500

Min.Order

2500

地区

WORLDWIDE Order Now

MOUSER

库存

2484

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

184

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-06-24

Buy now

L6494LD

Package

SO-14

Packing Type

Tube

Unit Price (US$)

0.642*

Distributor availability ofL6494LD

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 951 1 Order Now
AVNET AMERICA 1000 0 Order Now
MOUSER WORLDWIDE 936 1 Order Now

代理商库存报告日期: 2019-06-24

代理商名称

DIGIKEY

库存

951

Min.Order

1

地区

WORLDWIDE Order Now

AVNET

库存

1000

Min.Order

0

地区

AMERICA Order Now

MOUSER

库存

936

Min.Order

1

地区

WORLDWIDE Order Now

代理商库存报告日期: 2019-06-24

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.642

Quantity

1000

ECCN (US)

EAR99

Country of Origin

CHINA

L6494LDTR

Package

SO-14

Packing Type

Tape And Reel

Unit Price (US$)

0.642*

Distributor availability ofL6494LDTR

代理商名称
地区 库存 最小订购量 Third party link
DIGIKEY WORLDWIDE 2460 1 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
MOUSER WORLDWIDE 2484 1 Order Now
Farnell Element14 EUROPE 184 1 Order Now

代理商库存报告日期: 2019-06-24

代理商名称

DIGIKEY

库存

2460

Min.Order

1

地区

WORLDWIDE Order Now

FUTURE

库存

2500

Min.Order

2500

地区

WORLDWIDE Order Now

MOUSER

库存

2484

Min.Order

1

地区

WORLDWIDE Order Now

Farnell Element14

库存

184

Min.Order

1

地区

EUROPE Order Now

代理商库存报告日期: 2019-06-24

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

0.642

Quantity

1000

ECCN (US)

EAR99

Country of Origin

CHINA

(*) 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

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技术文档

    • 描述 版本 文档大小 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

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型号 Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L6494LD
Active
SO-14 工业 Ecopack2
L6494LDTR
Active
SO-14 工业 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.