FAN1100-F085

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Should Buyer purchase or use onsemi products for any such unintended or unauthorized application, Buyer shall indemnify and hold onsemi and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that onsemi was negligent regarding the design or manufacture of the part. onsemi is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. Other names and brands may be claimed as the property of others. Features 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. 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. 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-ShutDown 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 FAN1100F085 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 Package Packing Method FAN1100-F085 -40C to 150C 8-SOIC Tape & Reel © 2014 Semiconductor Components Industries, LLC. Aug-2018, Rev. 3 1 Publication Order Number: FAN1100-F085/D FAN1100-F085- Ignition Gate Driver IC FAN1100-F085 Ignition Gate Driver IC Table 1. Recommended External Components Component Description RBAT Vendor Parameter Typ. Unit Limits transient currents during load dump R 200 to 300 Ω CBAT! Battery or Ignition voltage filtering C 0.47 µF CBAT Battery noise transients C 10 nF CIN Noise immunity C 10 nF RSENSE Sense the collector current R 20 mΩ Typical Application Vbatt Rbat Cbat Ignition Coil Cbat1 Vbat RB ECU OUTPUT IN Rin FAN XXXX Vsense Cin RA CSSD GND Rsense RA Figure 1. CSSD Typical Application www.onsemi.com 2 FAN1100- F085 - Ignition Gate Driver IC Recommended External Components FAN1100- F085 - Ignition Gate Driver IC Block Diagram www.onsemi.com 3 FAN1100- F085 - Ignition Gate Driver IC Package Outline Figure 2. Pin Assignment (Top View) Pin Descriptions Name Type Description Pin1 GND Ground Reference of the Control IC Pin2 Input Signal input Pin3 NC Pin4 CSSD Maximum dwell time and Soft-Shut-Down current output (to external capacitor) Pin5 RA Input reference current output (to external resistor) Pin6 Output Gate Drive to the IGBT Pin7 Vsense Sense Input used for Ilim function Pin 8 Vbat Supply voltage www.onsemi.com 4 Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol Parameter Min. Max. Unit Vbat Voltage at Vbat pin (excl. EMC transients) -0.3 28 V VIN Voltage at Input pin with external Rin -2 16 V VRA, VCSSD Voltage at RA & CSSD and Output pins VOUTPUT Voltage at Gate Output -0.3 6.5 V Vsense Voltage on Vsense pin 0 400 mV TJ , TSTG Operating and Storage Temperature Range -40 150 °C Pmax Maximum power dissipation (continuous) at TC = 25 °C 0.625 W RΘJA Thermal Resistance junction–case (typical) VESD (pin to pin) Electrostatic Discharge Voltage (Human Body Model) according to MIL STD 883D, method 3015.7 and EOS/ESD Assn. standard S5.1 - 1993 - 0.3 V 5 200 °C /W 2 kV Recommended Operating Conditions (Reference load characteristics) The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance. Fairchild does not recommend exceeding them or designing to Absolute Maximum Ratings. Symbol Characteristic Ictyp Collector (Coil) Operating Current Min. Typ. Max. Units 12 A Lp Coil Primary Inductance 1.5 mH Rp Coil Primary Resistance (25 °C) 0.4 Ω Rload Load Resistance (for delay time measurements) 2 Ω www.onsemi.com 5 FAN1100- F085 - Ignition Gate Driver IC Absolute Maximum Ratings FAN1100- F085 - Ignition Gate Driver IC Electrical Characteristics Symbol Parameter Power Supply Conditions Conditions Min. Typ. Max. Unit Vbat = 6 to 28 V ; TJ= -40 °C to 150 °C (unless otherwise specified) Vbat1 Operating voltage Coil switching function 4 28 V Vbat2 Operating voltage All functions 6 28 V Ibat Supply current TJ=150 °C, Vbat = 28 V, RA open, Input = 5 V 5 mA Vclamp Vbattery clamp Ibatt = 10 mA 50 V Sense Pin Conditions 35 Vbat = 6 to 28 V ; TJ= -40 °C to 150 °C (unless otherwise specified) Vlimit Sense Voltage at current limit TJ = -40 °C to 150 °C (Vbat>8V) 185 Vlimit Sense Voltage at current limit TJ = -40 °C to 150 °C (6V