IR2114SSPBF(2009) データシートの表示（PDF） - International Rectifier

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IR2114SSPBF
(Rev.:2009)

HALF-BRIDGE GATE DRIVER IC

International Rectifier 

VCC

HIN

LIN

IR2114/IR2214SSPbF

SCHMITT

TRIGGER

INPUT

SHOOT

THROUGH

PREVENTION

(DT) Deadtime

INPUT

HOLD

LOGIC

OUTPUT

SHUTDOWN

LOGIC

on/off (HS)

LEVEL

SHIFTERS

on/off (LS)

on/off

desat

LATCH

LOCAL DESAT

PROTECTION

SOFT SHUTDOWN

UV_VBS DETECT

on/off

soft

shutdown

di/dt control

Driver

VB

HOP

HON

SSDH

DSH

VS

UV_VCC

DETECT

SY_FLT

FAULT/SD

FLT_CLR

SSD

FAULT

UV_VCC

HOLD

SD

FAULT LOGIC

managemend

(See figure 14)

DesatHS

DesatLS

LOCAL DESAT

PROTECTION

SOFTSHUTDOWN

on/off

soft

shutdown

di/dt control

Driver

VSS

FUNCTIONAL BLOCK DIAGRAM

Start-Up

Sequence

LOP

LON

SSDL

DSL

COM

HO=LO=0

FAULT/SD

FAULT/SD

ShutDown

FAULT

DESAT

EVENT

Soft

ShutDown

UnderVoltage

VCC

HO=LO=0

HO/LO=1

DSH/L

UV_VCC

UV_VBS

FAULT/SD

FAULT/SD

UnderVoltage

VBS

HO=0, LO=LIN

UV_VCC

Freeze

Stable State

− FAULT

− HO=LO=0 (Normal operation)

− HO/LO=1 (Normal operation)

− UNDERVOLTAGE VCC

− SHUTDOWN (SD)

− UNDERVOLTAGE VBS

− FREEZE

STATE DIAGRAM

Temporary State

− SOFT SHUTDOWN

− START UP SEQUENCE

System Variable

− FLT_CLR

− HIN/LIN

− UV_VCC

− UV_VBS

− DSH/L

− SY_FLT

− FAULT/SD

NOTE 1: A change of logic value of the signal labeled on lines (system variable) generates a state transition.

NOTE 2: Exiting from UNDERVOLTAGE VBS state, the HO goes high only if a rising edge event happens in HIN.

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© 2009 International Rectifier

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