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TD350ID

TD350ID

  • 厂商:

    STMICROELECTRONICS(意法半导体)

  • 封装:

    SOIC14

  • 描述:

    IC GATE DRVR HIGH-SIDE 14SO

  • 数据手册
  • 价格&库存
TD350ID 数据手册
TD350 Advanced IGBT/MOSFET driver Features ■ 1.5 A source/2.3 A sink typ gate drive ■ Active Miller clamp feature ■ Two steps turn-off with adjustable level and delay ■ Desaturation detection ■ Fault status output ■ Negative gate drive ability ■ Input compatible with pulse transformer or optocoupler ■ Separate sink and source outputs for easy gate drive ■ UVLO protection ■ 2 kV ESD protection (HBM) Description Applications ■ 1200 V 3-phase inverter ■ Motor control ■ UPS systems ) (s ct u d o r P e let o s b O Table 1. ) s ( ct r P e TD350 is an advanced gate driver for IGBT and power MOSFET. Control and protection functions are included and allow the design of high reliability systems. t e l o s b O Innovative active Miller clamp function avoids the need of negative gate drive in most applications and allows the use of a simple bootstrap supply for the high side driver TD350 includes a two-level turn-off feature with adjustable level and delay. This function protects against excessive overvoltage at turn-off in case of overcurrent or short-circuit condition. Same delay is applied at turn-on to prevent pulse width distortion. TD350 also includes an IGBT desaturation protection and a FAULT status output. TD350 is compatible with both pulse transformer and optocoupler signals. Device summary Order codes Temperature range Package -40, +125°C SO-14 TD350ID Packaging Tube TD350IDT April 2010 u d o Tape and reel Doc ID 9525 Rev 6 1/17 www.st.com 17 Contents TD350 Contents 1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Absolute maximum ratings 4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 .................................. 5 ) s ( ct u d o 5.1 Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5.2 Voltage reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5.3 Desaturation protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5.4 Active Miller clamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5.5 Two level turn-off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5.6 Minimum ON time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5.7 Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5.8 Fault status output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5.9 Undervoltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 r P e t e l o ) (s s b O t c u d o r 6 Timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 7 Typical performance curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 t e l o bs 8 O P e Application diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 9 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 10 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2/17 Doc ID 9525 Rev 6 TD350 1 Block diagram Block diagram Figure 1. Schematic block diagram Vref UVLO IN Pulse Transformer Vref Optionnal FAULT NC COFF Vref Off delay NC LVOFF VH 16V VH Block VREF Vref OUTH Control VH DESAT Desat VL OUTL u d o GND Off Level ) s ( ct -10V CLAMP r P e TD350 t e l o ) (s s b O t c u d o r P e t e l o s b O Doc ID 9525 Rev 6 3/17 Pin connections 2 TD350 Pin connections Figure 2. Pin connections (top view) IN 1 14 DESAT VREF 2 13 VH FAULT 3 12 OUTH NC 4 11 OUTL COFF 5 10 VL NC 6 9 CLAMP 7 8 GND LVOFF Table 2. Name Pin number Type IN 1 Analog input VREF 2 FAULT 3 NC 4 COFF 5 od O ) Function Input Analog output +5V reference voltage Digital output Fault status output t(s Not connected Timing capacitor Turn off delay Not connected 7 Analog input Turn off level 8 Power supply Signal ground CLAMP 9 Analog output Miller clamp VL 10 Power supply Negative supply OUTL 11 Analog output Gate drive output (sink) OUTH 12 Analog output Gate drive output (source) VH 13 Power supply Positive supply DESAT 14 Analog input Desaturation protection GND e t e l 4/17 u d o 6 Pr LVOFF O t e l o bs uc ) s ( ct r P e Pin description NC o s b TD350 Doc ID 9525 Rev 6 TD350 Absolute maximum ratings 3 Absolute maximum ratings Table 3. Key parameters and their absolute maximum ratings Symbol Parameter Value Unit VHL Maximum supply voltage (VH - VL) 28 V VH Maximum VH voltage vs. GND 28 V VL Minimum VL voltage vs. GND -12 V Vout Voltage on OUTH, OUTL, CLAMP pins VL-0.3 to VH+0.3 V Vdes Voltage on DESAT, FAULT, LVOFF pin -0.3 to VH+0.3 V Vother Voltage on other pins (IN, COFF, VREF) Pd Power dissipation Tstg Storage temperature Tj 500 u d o -55 to 150 Maximum junction temperature Rthja Thermal resistance junction-ambient Rthjc Thermal resistance junction-case ESD Electrostatic discharge (HBM) Table 4. O ) s ( t c Positive supply voltage vs. GND VL Negative supply voltage vs. GND Toper o s b Parameter VH VH-VL e t e l Operating conditions Symbol u d o Maximum total supply voltage Pr Operating free air temperature range e t e ol ) s ( ct -0.3 to 7 Pr V mW °C 150 °C 125 °C/W 22 °C/W 2 kV Value Unit UVLO to 26 V 0 to -10 V 26 V -40 to 125 °C s b O Doc ID 9525 Rev 6 5/17 Electrical characteristics 4 TD350 Electrical characteristics TA = -20 to 125 °C, VH=16 V, VL=-10 V (unless otherwise specified) Table 5. Electrical characteristics Symbol Parameter Test condition Min Typ 0.8 1.0 Max Unit Input Vton IN turn-on threshold voltage Vtoff IN turn-off threshold voltage tonmin 4.0 Minimum pulse width 100 u d o Voltage reference (1) T=25°C Tmin
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