Overview
The FNB34060T is an advanced Motion SPM® 3 module produced by onsemi, designed to provide a fully-featured, high-performance inverter output stage. This module is optimized for driving AC Induction, BLDC (Brushless DC), and PMSM (Permanent Magnet Synchronous) motors. It integrates optimized gate drive circuits for the built-in IGBTs, minimizing EMI and losses, and includes multiple on-module protection features such as under-voltage lockouts, over-current shutdown, thermal monitoring, and fault reporting.
Key Specifications
| Parameter | Conditions | Rating | Unit |
|---|---|---|---|
| VPN Supply Voltage | Applied between P - NU, NV, NW | 300 - 400 | V |
| VPN(Surge) Supply Voltage (Surge) | Applied between P - NU, NV, NW | 500 | V |
| VCE Collector - Emitter Voltage | 600 | V | |
| IC Collector Current | TC = 25°C, TJ ≤ 150°C | 40 | A |
| ICP Collector Current (Peak) | TC = 25°C, TJ ≤ 150°C, Under 1 ms Pulse Width | 80 | A |
| TJ Operating Junction Temperature | -40 ~ 150 | °C | |
| VDD Control Supply Voltage | Applied between VDD(H), VDD(L) - COM | 14.0 - 16.5 | V |
| VBS High-Side Control Bias Voltage | Applied between VB(U) - VS(U), VB(V) - VS(V), VB(W) - VS(W) | 13.0 - 18.5 | V |
| VISO Isolation Voltage | 60 Hz, Sinusoidal, AC 1 minute, Connection Pins to Heat Sink Plate | 2500 | Vrms |
| Rth(j-c) Junction to Case Thermal Resistance | Inverter IGBT part (per 1/6 module) | - 1.19 | °C/W |
Key Features
- 600 V - 40 A 3-Phase IGBT Inverter with Integral Gate Drivers and Protection
- Low-Loss, Short-Circuit Rated IGBTs
- Very Low Thermal Resistance using Al2O3 DBC Substrate
- Built-In Bootstrap Diodes and Dedicated Vs Pins Simplify PCB Layout
- Separate Open-Emitter Pins from Low-Side IGBTs for Three-Phase Current Sensing
- Single-Grounded Power Supply
- LVIC Temperature-Sensing Built-In for Temperature Monitoring
- Isolation Rating: 2500 Vrms / 1 min
- Under-Voltage Lock-Out Protection (UVLO) and Short-Circuit Protection (SCP)
- Fault Signaling and Reporting
- Active-HIGH Input Interface, Compatible with 3.3 / 5 V Logic, Schmitt-Trigger Input
Applications
- Motion Control in Home Appliances and Industrial Motor Applications
- AC Induction, BLDC, and PMSM Motor Drives
- Consumer, Industrial, and Automotive Applications
Q & A
- What is the FNB34060T module used for?
The FNB34060T module is used for providing a high-performance inverter output stage for AC Induction, BLDC, and PMSM motors in various applications such as motion control in home appliances and industrial motors.
- What are the key specifications of the FNB34060T module?
The module has a supply voltage range of 300-400 V, collector current of 40 A, and an operating junction temperature of -40 to 150°C. It also features a high-side control bias voltage of 13.0-18.5 V and an isolation voltage of 2500 Vrms.
- What protection features does the FNB34060T module include?
The module includes under-voltage lock-out protection (UVLO), short-circuit protection (SCP), thermal monitoring, and fault reporting.
- How does the FNB34060T module simplify PCB layout?
The module simplifies PCB layout with built-in bootstrap diodes and dedicated Vs pins.
- What is the thermal resistance of the FNB34060T module?
The junction to case thermal resistance for the inverter IGBT part is up to 1.19 °C/W.
- What is the isolation rating of the FNB34060T module?
The isolation rating is 2500 Vrms for 1 minute.
- Can the FNB34060T module be used in automotive applications?
- What type of input interface does the FNB34060T module have?
The module has an active-HIGH input interface compatible with 3.3 / 5 V logic and includes a Schmitt-trigger input.
- How does the FNB34060T module handle short-circuit protection?
The module includes short-circuit current protection, which is functioning only at the low-sides. It detects short-circuit current and interrupts the gate signals to the IGBTs, followed by a fault output signal.
- What is the recommended operating temperature range for the FNB34060T module?
The recommended operating temperature range is -40 to 125°C for the module case and -40 to 150°C for the junction temperature.
