FAN1100-F085 IC Datasheet

FAN1100-F085 Datasheet, PDF, Equivalent


Part Number

FAN1100-F085

Description

Ignition Gate Driver IC

Manufacture

ON Semiconductor

Total Page 10 Pages
Datasheet
Download FAN1100-F085 Datasheet


FAN1100-F085
FAN1100-F085
Ignition Gate Driver IC
Features
Signal Line Input Buffer
Input spike filter
Operation from Ignition or Battery line
Ground shift tolerance +/- 1.5 V
Programmable maximum dwell time
Programmable Input Pull down current
Control IGBT current limiting through Vsense pin
Soft Shutdown following Max Dwell Time out
Applications
The FAN1100-F085 is an advanced Ignition IGBT
control IC available in a SO8 package or die sales.
This full featured Smart Ignition IGBT Driver is
particularly advantageous in “switch on coil”
applications where size and system performance of
the ignition driver are important.
Description
The FAN1100-F085 is designed to directly drive an
ignition IGBT and control the current and spark event of
the coil. The coil current is controlled via the input pin.
When the input is driven high, the output of the
FAN1100-F085 is enabled to turn on the IGBT and start
charging the coil. The FAN1100-F085 will sink a current
(IIN) into the input pin based on programmed current on
the RA line.
An input spike filter suppresses input signals of less
then 13 µsec in duration. A Max Dwell timer is included
in the FAN1100-F085 which will turn off the IGBT if the
input stays active for longer than the programmed time.
This time interval can be modified through an external
capacitor on the CSSD pin. When the Max Dwell timer
is exceeded, the FAN1100-F085 will enter a Soft-Shut-
Down mode (SSD) slowly dropping the collector current
by lowering the gate drive to the IGBT thereby
discharging the coil such as to inhibit a spark event.
Once the soft shutdown operation has started, any
transitions on the input signal are ignored until after
completion of the soft shutdown function. The FAN1100-
F085 will also limit the collector current of the IGBT to
Ic(lim) during charging. This again is done through the
sense resistor in the emitter leg of the Ignition IGBT
developing a signal input to the Vsense pin of the
FAN1100-F085.
Ordering Information
Part Number
Operating
Temperature Range
FAN1100-F085
-40C to 150C
Package
8-SOIC
Packing Method
Tape & Reel
© 2014 Semiconductor Components Industries, LLC.
Aug-2018, Rev. 3
1
Publication Order Number:
FAN1100-F085/D

FAN1100-F085
Recommended External Components
Table 1. Recommended External Components
Component
Description
RBAT
Limits transient currents
during load dump
CBAT!
CBAT
CIN
RSENSE
Battery or Ignition voltage
filtering
Battery noise transients
Noise immunity
Sense the collector current
Vendor
Parameter Typ. Unit
200
R to
300
C 0.47 µF
C 10 nF
C 10 nF
R 20 m
Typical Application
Cbat
Rbat
Vbatt
Cbat1
Ignition
Coil
Vbat
ECU
RB OUTPUT
IN FAN XXXX
Rin Cin
Vsense
RA CSSD GND
RA
CSSD
Figure 1. Typical Application
Rsense
www.onsemi.com
2


Features FAN1100-F085- Ignition Gate Driver IC F AN1100-F085 Ignition Gate Driver IC Fe atures  Signal Line Input Buffer  Input spike filter  Operation from Ignition or Battery line  Ground shi ft tolerance +/- 1.5 V  Programmable maximum dwell time  Programmable In put Pull down current  Control IGBT current limiting through Vsense pin  Soft Shutdown following Max Dwell Time out Applications  The FAN1100-F085 is an advanced Ignition IGBT control IC available in a SO8 package or die sale s. This full featured Smart Ignition IG BT Driver is particularly advantageous in “switch on coil” applications wh ere size and system performance of the ignition driver are important. Descrip tion The FAN1100-F085 is designed to di rectly drive an ignition IGBT and contr ol the current and spark event of the c oil. The coil current is controlled via the input pin. When the input is drive n high, the output of the FAN1100-F085 is enabled to turn on the IGBT and start charging the coil. The FAN1100-F085 will sin.
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