Preliminary Description of Terminal Symbols and Terminology Fuji Electric Co., Ltd.

Transcription

1 Chapter 2 of Terminal s and Terminology Contents Page 1. of Terminal s of Terminology

2 1. of Terminal s Preliminary Chapter 2 of Terminal s and Terminology Table 21 and 22 show the description of terminal symbols and terminology respectively. Pin No Pin Name VB(U) VB(V) VB(W) IN(HU) IN(HV) IN(HW) V CCH COM IN(LU) IN(LV) IN(LW) V CCL VFO IS COM TEMP N(W) N(V) N(U) W V U P NC Table 21 of Terminal s Pin High side bias voltage for Uphase IGBT driving High side bias voltage for Vphase IGBT driving High side bias voltage for Wphase IGBT driving Signal input for high side Uphase Signal input for high side Vphase Signal input for high side Wphase High side control supply Common supply ground Signal input for low side Uphase Signal input for low side Vphase Signal input for low side Wphase Low side control supply Fault output Over current sensing voltage input Common supply ground Temperature sensor output Negative bus voltage input for Wphase Negative bus voltage input for Vphase Negative bus voltage input for Uphase Motor Wphase output Motor Vphase output Motor Uphase output Positive bus voltage input No Connection 22

3 2. of Terminology Preliminary Chapter 2 of Terminal s and Terminology (1) Inverter Block Zero gate Voltage Collector current Collectoremitter saturation voltage FWD forward voltage drop Turnon time Turnon delay Turnon rise time VCEIC Cross time of turnon Turnoff time Turnoff delay Turnon fall time VCEIC Cross time of turnoff FWD Reverse recovery time (2) Control circuit Block ICES VCE(sat) VF ton td(on) tr tc(on) toff td(off) tf tc(off) trr Table 22 of Terminology Collector current when a specified voltage is applied between the collector and emitter of an IGBT with all input signals L (=0V) Collectoremitter voltage at a specified collector current when the input signal of only the element to be measured is H (= 5V) and the inputs of all other elements are L (=0V) Forward voltage at a specified forward current with all input signals L (=0V) The time from the input signal rising above the threshold value until the collector current becomes 90% of the rating. See Fig. 21. The time from the input signal rising above the threshold value until the collector current decreases to 10% of the rating. See Fig. 21. The time from the collector current becoming 10% at the time of IGBT turnon until the collector current becomes 90%. See Fig. 21. The time from the collector current becoming 10% at the time of IGBT turn on until the VCE voltage of IGBT dropping below 10% of the rating. See Fig. 21. The time from the input signal dropping below the threshold value until the VCE voltage of IGBT becomes 90% of the rating. See Fig. 21. The time from the input signal dropping below the threshold value until the collector current decreases to 90%. See Fig. 21. The time from the collector current becoming 90% at the time of IGBT turnoff until the collector current decreases to 10%. See Fig. 21. The time from the VCE voltage becoming 10% at the time of IGBT turn ff until the collector current dropping below 10% of the rating. See Fig. 21. The time required for the reverse recovery current of the builtin diode to disappear. See Fig. 21. Circuit current of Lowside drive IC Circuit current of Highside drive IC Circuit current of Bootstrap circuit Input Signal threshold voltage Input Signal threshold hysteresis voltage Operational input pulse width Operational input pulse width ICCL ICCH ICCHB Vth(on) Vth(off) Vth(hys) tin(on) tin(off) Current flowing between control power supply V CCL and COM Current flowing between control power supply V CCH and COM Current flowing between upper side IGBT bias voltage supply VB(U) and U,VB(V) and V or VB(W) and W on the Pside (per one unit) Control signal voltage when IGBT changes from OFF to ON Control signal voltage when IGBT changes from ON to OFF The hysteresis voltage between Vth(on) and Vth(off). Control signal pulse width necessary to change IGBT from OFF to ON. Refer Chapter 3 section 4. Control signal pulse width necessary to change IGBT from ON to OFF. Refer Chapter 3 section 4. 23

4 Chapter 2 of Terminal s and Terminology (2) Control circuit Block (Continued) Input current Input pulldown resistance Fault output voltage Fault output pulse width Over current protection voltage level Over Current Protection Trip delay time Output Voltage of temperature sensor Overheating protection temperature Overheating protection hysteresis Vcc Under voltage trip level of Lowside Vcc Under voltage reset level of Lowside Vcc Under voltage hysteresis of Lowside Vcc Under voltage trip level of Highside Vcc Under voltage reset level of Highside Vcc Under voltage hysteresis of Highside VB Under voltage trip level VB Under voltage reset level VB Under voltage hysteresis IIN RIN VFO(H) VFO(L) tfo VIS(ref) td(is) V(temp) TcOH TcH VCCL(OFF) VCCL(ON) VCCL(hys) VCCH(OFF) VCCH(ON) VCCH(hys) VB(OFF) VB(ON) VB(hys) Table 22 of Terminology Current flowing between signal input IN(HU,HV,HW,LU,LV,LW) and COM. Input resistance of resister in input terminals IN(HU,HV,HW,LU,LV,LW). They are inserted between each input terminal and COM. Output voltage level of VFO terminal under the normal operation (The lower side arm protection function is not actuated.) with pullup resister 10k Output voltage level of VFO terminal after the lower side arm protection function is actuated. Period in which an fault status continues to be output (VFO) from the VFO terminal after the lower side arm protection function is actuated. Refer chapter 3 section 6. Threshold voltage of IS terminal at the over current protection. Refer chapter 3 section 5. The time from the Over current protection triggered until the collector current becomes 50% of the rating. Refer chapter 3 section 5. The output voltage of temp. It is applied to the temperature sensor output model. Refer chapter 3 section 7. Tripping temperature of over heating. The temperature is observed by LVIC. All low side IGBTs are shut down when the LVIC temperature exceeds overheating threshold. See Fig.22 and refer chapter 3 section 8. Hysteresis temperature required for output stop resetting after protection operation. See Fig.22 and refer chapter 3 section 8. TcOH and TcH are applied to the overheating protection model. Tripping voltage in under voltage of the Lowside control IC power supply. All low side IGBTs are shut down when the voltage of VCCL drops below this threshold. Refer chapter 3 section 1. Resetting threshold voltage from under voltage trip status of VCCL. Refer chapter 3 section 1. Hysteresis voltage between VCCL(OFF) and VCCL(ON). Tripping voltage in under voltage of Highside control IC power supply. The IGBTs of highside are shut down when the voltage of VCCH drops below this threshold. Refer chapter 3 section 1. Resetting threshold voltage from under voltage trip status of VCCH. See Fig.33 Resetting voltage at which the IGBT performs shutdown when the Highside control power supply voltage VCCH drops. Refer chapter 3 section 1. Hysteresis voltage between VCCH(OFF) and VCCH(ON). Tripping voltage in under voltage of VB(*). The IGBTs of highside are shut down when the voltage of VB(*) drops below this threshold. Refer chapter 3 section 2. Resetting voltage at which the IGBT performs shutdown when the upper side arm IGBT bias voltage VB(*) drops. Refer chapter 3 section 2. Hysteresis voltage between VB(OFF) and VB(ON). 24

5 Chapter 2 of Terminal s and Terminology (3) BSD Block Forward voltage of Bootstrap diode VF(BSD) Table 22 of Terminology BSD Forward voltage at a specified forward current. (4) Thermal Characteristics Junction to Case Thermal Resistance (per single IGBT) Junction to Case Thermal Resistance (per single FWD) Case to Heat sink Thermal Resistance Rth(jc)_IGBT Rth(jc)_FWD Rth (cf) Chipcase thermal resistance of a single IGBT. Chipcase thermal resistance of a single FWD. Thermal resistance between the case and heat sink, when mounted on a heat sink at the recommended torque using the thermal compound (5) Mechanical Characteristics Tighten torque Heatsink side flatness torque when mounting the element to the heat sink with the specified screw. Flatness of a heat sink side. See Fig.23. Fig.21 Switching waveforms 25

6 Chapter 2 of Terminal s and Terminology Temperature sensor position for Temp. sensor output or TcOH function. 7.0 Heat sink side SIDE VIEW Tc measurement position TOP VIEW Fig.22 The measurement position of temperature sensor and Tc. Measurement position + + Fig.23 The measurement position of heatsink side flatness. 26