Datasheet > SGM48526

SGM48526

更新时间： 2023-09-03 20:32:55

品牌	Logo	应用领域
圣邦微 - SGMICRO		栅
页数	文件大小	规格书
10页	639K
描述
Dual 5A, High-Speed, Low-Side Gate Driver with Negative Input Voltage Capability

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SGM48526 数据手册

SGM48523/SGM48524A

SGM48525/SGM48526

Dual 5A, High-Speed, Low-Side Gate Drivers

with Negative Input Voltage Capability

GENERAL DESCRIPTION

FEATURES

The SGM48523/4A/5/6 are dual high-speed low-side

gate drivers for MOSFET and IGBT power switches.

They have rail-to-rail driving capability and can sink and

source up to 5A peak current with capacitive loads. The

propagation delays are very short and well matched

between the two channels that make the device very fit

for applications that need accurate dual gate driving

such as synchronous rectifiers. The matched

propagation delays also allow for paralleling the two

channels when higher driving current is required for

example for paralleled switches. The input voltage

thresholds are fixed, independent of supply voltage

(V_DD) and are compatible with low voltage TTL and

CMOS logic. Noise immunity is excellent due to the

wide hysteresis window between the input low and high

thresholds. The devices have internal pull-up/pull-down

resistors on the input pins to ensure low state on the

driver outputs when the inputs are floating.

● Two Independent Gate Drive Channels

● 4.5V to 18V Single Supply Range (V_DD)

● 5A Peak Source/Sink Pulse Current Drive

● Independent Enable Pin for Each Channel

● TTL and CMOS Compatible Logic Threshold

● Logic Levels Independent of Supply Voltage

● Hysteretic Input Logic for High Noise Immunity

● Outputs are Logic Low when Inputs are Floating

● Negative Voltage Handling Capability:

 -8V DC at Inputs

 -2V, 200ns Pulse for Outputs (OUTx)

● Glitch-Free Operation at Power-Up and Power-

Down: Outputs Pulled Low during Supply UVLO

● Fast Propagation Delays: 18ns (TYP)

● Fast Rise Time: 8ns (TYP)

● Fast Fall Time: 8ns (TYP)

● Delay Matching between Two Channels: 1ns (TYP)

● Channels can be Paralleled for Higher Drive Current

● -40℃ to +140℃ Operating Temperature Range

● Packaging:

The SGM48523/4A/5 offer 3 logic options: dual inverting

(SGM48523), dual non-inverting (SGM48524A), and

one inverting and one non-inverting (SGM48525). They

have independent enable pins (ENA and ENB) for each

channel with active-high logic that can be left open for

normal operation because of internal pull-up to VDD.

The SGM48526 offers a flexible dual input design

which can be configured as inverting (-INx) or

non-inverting (+INx) for each channel. Both inputs

(+INx or -INx) can control the output state. Typically,

one input is used for gate pulse and the other one is

used for enable/disable function.

 SGM48523/4A/5 Available in Green SOIC-8,

MSOP-8 (Exposed Pad) and TDFN-3×3-8L

Packages

 SGM48526 Available in a Green TDFN-3×3-8L

Package

APPLICATIONS

Power MOSFETs

IGBT Driving for Power Supplies

DC/DC Converters

Solar Power, Motor Drivers

Gate Drive for Emerging Wide Bandgap Devices

The SGM48523/4A/5 are available in SOIC-8, MSOP-8

(Exposed Pad) and TDFN-3×3-8L packages. The

SGM48526 is available in a Green TDFN-3×3-8L

package. They operate over a temperature range of

-40℃ to +140℃.

SG Micro Corp

JANUARY2022–REV. A

www.sg-micro.com

12 3 4 5 6 7...10

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