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ISO5452

SLLSEQ4A – AUGUST 2015 – REVISED SEPTEMBER 2015

ISO5452 High-CMTI 2.5-A / 5-A Isolated IGBT, MOSFET Gate Driver

with Split Outputs and Active Safety Features

1 Features

3 Description

1

•

50-kV/

μs Minimum and 100-kV/μs Typical

driver for IGBTs and MOSFETs with split outputs,

Common-Mode Transient Immunity (CMTI)

OUTH and OUTL, providing 2.5-A source and 5-A

sink current. The input side operates from a single

•

Split Outputs to provide 2.5-A Peak Source and

2.25-V to 5.5-V supply. The output side allows for a

5-A Peak Sink Currents

supply range from minimum 15-V to maximum

30-V. Two complementary CMOS inputs control the

•

Short Propagation Delay: 76 ns (Typ),

output state of the gate driver. The short propagation

110 ns (Max)

time of 76 ns assures accurate control of the output

•

2-A Active Miller Clamp

stage.

•

Output Short-Circuit Clamp

An internal desaturation (DESAT) fault detection

•

Soft Turn-Off (STO) during Short Circuit

recognizes when the IGBT is in an overcurrent

•

Fault Alarm upon Desaturation Detection is

condition. Upon a DESAT detect, a Mute logic

Signaled on FLT and Reset Through RST

immediately blocks the output of the isolator and

initiates a soft-turn-off procedure which disables,

•

Input and Output Under Voltage Lock-Out (UVLO)

OUTH, and pulls OUTL to low over a time span of

with Ready (RDY) Pin Indication

2

μs. When OUTL reaches 2 V with respect to the

•

Active Output Pull-down and Default Low Outputs

with Low Supply or Floating Inputs

•

2.25-V to 5.5-V Input Supply Voltage

IGBT immediately off.

•

15-V to 30-V Output Driver Supply Voltage

When desaturation is active, a fault signal is sent

across the isolation barrier pulling the FLT output at

•

CMOS Compatible Inputs

the input side low and blocking the isolator input.

•

Rejects Input Pulses and Noise Transients

Mute logic is activated through the soft-turn-off

Shorter Than 20 ns

period. The FLT output condition is latched and can

•

Operating Temperature: –40°C to 125°C Ambient

be reset only after RDY goes high, through a low-

•

active pulse at the RST input.

61000-4-5)

Device Information(1)

•

Safety and Regulatory Certifications:

PART NUMBER

PACKAGE

BODY SIZE (NOM)

–

ISO5452

SOIC (16)

10.30 mm × 7.50 mm

Reinforced Isolation per DIN V VDE V 0884-10

(1) For all available packages, see the orderable addendum at

(VDE V 0884-10):2006-12

the end of the datasheet.

–

–

CSA Component Acceptance Notice 5A, IEC

Functional Block Diagram

60950-1, IEC 60601-1 and IEC 61010-1 End

Equipment Standards

–

CQC Certification per GB4943.1-2011

–

All Certifications are Planned

2 Applications

•

Isolated IGBT and MOSFET Drives in

–

Industrial Motor Control Drives

–

Industrial Power Supplies

–

Solar Inverters

–

HEV and EV Power Modules

–

Induction Heating

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.