Datasheet Gate Driver Providing Galvanic isolation Series Isolation voltage 2500Vrms 1ch Gate Driver Providing Galvanic Isolation BM6108FV-LB General Description Key Specifications This is the product guarantees long time support in Isolation Voltage: 2500Vrms Industrial market. Maximum Gate Drive Voltage: 24V The BM6108FV-LB is a gate driver with isolation voltage I/O Delay Time: 150ns(Max) 2500Vrms, I/O delay time of 150ns, and minimum input Minimum Input Pulse Width: 90ns(Max) pulse width of 90ns, and incorporates the fault signal output functions, undervoltage lockout (UVLO) function, Package W(Typ) x D(Typ) x H(Max) and short current protection (SCP, DESAT) function. SSOP-B20W 6.50mm x 8.10mm x 2.01mm Features Long Time Support Product for Industrial Applications. Providing Galvanic Isolation Active Miller Clamping Fault Signal Output Function (Adjustable Output Holding Time) Undervoltage Lockout Function Short Current Protection Function (Adjustable Reset Time) Soft Turn-Off Function For Short Current Protection (Adjustable Turn-Off Time) Supporting Negative VEE2 Applications Output State Feedback Function Industrial Equipment UL1577 Recognized:File No. E356010 IGBT Gate Driver MOSFET Gate Driver Typical Application Circuits GND1 PROOUT INA + - OSFB Latch S VEE2 Q FB INB OUT1L R + ENA - FLTRLS Timer OUT1H FLT VCC1 VCC2 UVLO Regulator FLT UVLO VREG LOGIC INA OUT2 S ENA GND2 Q LOGIC TEST R VEE2 + - GND1 SCPIN 1pin Figure 1. For using 4-pin IGBT (for using SCP function) GND1 INA PROOUT + - Latch OSFB S VEE2 Q FB INB OUT1L R + ENA - FLTRLS FLT Timer OUT1H VCC1 VCC2 UVLO Regulator FLT UVLO VREG LOGIC INA OUT2 S ENA GND2 Q LOGIC TEST R VEE2 + - GND1 SCPIN 1pin Figure 2. For using 3-pin IGBT (for using DESAT function) Product structureSilicon integrated circuit This product is not designed protection against radioactive rays www.rohm.com TSZ02201-0818ABZ00020-1-2 2014 ROHM Co., Ltd. All rights reserved. 1/35 TSZ2211114001 25. Dec. 2015 Rev.002 BM6108FV-LB Recommended Range Of External Constants Recommended Value Pin Name Symbol Unit Min Typ Max CFLTRLS - 0.01 0.47 F FLTRLS RFLTRLS 50 200 1000 k VREG CVREG 1.0 3.3 10.0 F VCC1 C 0.1 1.0 - F VCC1 VCC2 CVCC2 0.33 - - F Pin Configurations (TOP VIEW) 1 20 GND1 SCPIN 8 2 19 TEST VEE2 8 3 18 ENA GND2 8 4 17 INA OUT2 8 5 16 FLT VREG 8 6 15 VCC1 VCC2 8 7 14 FLTRLS OUT1H 8 8 13 INB OUT1L 8 9 12 OSFB VEE2 8 10 11 GND1 PROOUT 8 Pin Descriptions Pin No. Pin Name Function 1 SCPIN Short current detection pin 2 VEE2 Output-side negative power supply pin 3 GND2 Output-side ground pin 4 OUT2 MOSFET control pin for Miller Clamp 5 VREG Power supply pin for driving MOSFET for Miller Clamp 6 VCC2 Output-side positive power supply pin 7 OUT1H Source side output pin 8 OUT1L Sink side output pin 9 VEE2 Output-side negative power supply pin 10 PROOUT Soft turn-off pin 11 GND1 Input-side ground pin 12 OSFB Output state feedback output pin 13 INB Control input pin B 14 FLTRLS Fault output holding time setting pin 15 VCC1 Input-side power supply pin 16 FLT Fault output pin 17 INA Control input pin A 18 ENA Input enabling signal input pin 19 TEST Mode setting pin 20 GND1 Input-side ground pin www.rohm.com TSZ02201-0818ABZ00020-1-2 2014 ROHM Co., Ltd. All rights reserved. 2/35 25. Dec. 2015 Rev.003 TSZ2211115001