NCEIPM20
NCE NCEIPM20 600V 20A three-phase IPM with integrated gate drivers and protection for motor control applications.
Product Overview
Description
The NCEIPM20 is a 600V 20A three-phase intelligent power module designed for motor control.
Integrates six IGBTs with gate drivers, bootstrap diodes, and comprehensive protection circuits.
Simplifies motor drive design with pre-optimized power stage and built-in protections.
Product Series
NCEIPM
Primary Application
AC motor drives
Key Features
- 600V 20A three-phase IGBT inverter
- Integrated gate drivers with bootstrap diodes
- Built-in overcurrent protection
- Undervoltage lockout protection
- Overtemperature protection
- Isolated control interface
Specifications
Applications
AC motor drives
Motor drive and control systems
Home appliance inverters
Electronic system design
Fan and pump controls
Industrial automation and control
Servo drives
Motor drive and control systems
FAE Expert Insights
"The NCEIPM20 is an excellent choice for small to medium power motor drives. I've used this IPM in numerous air conditioner and washing machine inverter projects. The integrated design saves significant development time - what would take weeks with discrete components can be done in days. The built-in protections work reliably - overcurrent detection responds in microseconds to protect the IGBTs. One 1.5kW air conditioner compressor drive project used this IPM with excellent results. The DIP package is easy to assemble and provides good thermal performance with proper heatsinking. For control, the HIN/LIN interface is compatible with most MCUs. Overall, a very reliable and cost-effective solution for motor control up to 1.5kW."
Integrated solution saves development time and improves reliability
— 赵志强, BeiLuo
Frequently Asked Questions
What control interface does NCEIPM20 use?
NCEIPM20 uses HIN/LIN (High-side Input / Low-side Input) control interface. Each of the six IGBTs has independent high-side and low-side control inputs. The control signals are typically 3.3V or 5V logic level compatible. Dead time control must be implemented in the external controller to prevent shoot-through. The module includes internal bootstrap circuits for high-side gate drive, requiring only a single low-voltage supply.
What protection features are built into NCEIPM20?
NCEIPM20 includes comprehensive protection features: (1) Overcurrent protection - detects overcurrent through external shunt resistor and shuts down all IGBTs. (2) Undervoltage lockout - disables operation if supply voltage drops below threshold. (3) Overtemperature protection - internal temperature sensor shuts down at 125°C. (4) Shoot-through prevention - internal interlock prevents simultaneous high-side and low-side conduction. (5) Fault output - open-drain fault signal indicates protection activation.
How do I design the heatsink for NCEIPM20?
Thermal design for NCEIPM20: (1) Calculate losses - at 20A with 1.7V Vce(sat) and 10kHz switching, total losses are approximately 40-50W. (2) Thermal resistance - module Rth(j-c) is typically 1.5°C/W. (3) Heatsink calculation - for Tj max 125°C and Ta 50°C, required Rth(s-a) = (125-50)/50 - 1.5 = 0°C/W. This requires forced air cooling or large heatsink. (4) Thermal interface - use thermal grease or pad between module and heatsink. (5) Mounting - ensure even pressure distribution across module base.
Can NCEIPM20 be used for servo motor control?
Yes, NCEIPM20 is suitable for servo motor control applications: (1) Current rating - 20A continuous suits most servo motors up to 1.5kW. (2) Switching speed - suitable for 10-20kHz PWM typical in servo drives. (3) Protection - built-in protections ensure reliable operation in dynamic servo applications. (4) Control - HIN/LIN interface compatible with servo control algorithms. (5) Feedback - external current sensing required for servo control loops. The module's reliability and integrated protections make it well-suited for industrial servo applications.
What is the bootstrap circuit in NCEIPM20?
NCEIPM20 includes internal bootstrap circuits for high-side gate drive: (1) Bootstrap diode - internal fast recovery diode charges bootstrap capacitor. (2) Bootstrap capacitor - external capacitor (typically 10-47μF) provides high-side gate drive voltage. (3) Operation - low-side IGBT turn-on charges capacitor; capacitor powers high-side driver when low-side is off. (4) Voltage - bootstrap voltage is typically 15V above VS pin (high-side emitter). (5) Refresh - capacitor must be refreshed by periodic low-side turn-on. Minimum refresh frequency depends on capacitor size and leakage.
How does NCEIPM20 compare to discrete solutions?
NCEIPM20 vs discrete IGBT solution comparison: (1) Development time - IPM reduces development from weeks to days. (2) Component count - IPM integrates 6 IGBTs, 6 gate drivers, 6 bootstrap diodes, and protection circuits vs 20+ discrete components. (3) PCB area - IPM requires significantly less board space. (4) Reliability - factory-tested and optimized design vs discrete design variability. (5) Cost - IPM higher component cost but lower total system cost when including reduced design time and higher reliability. (6) Flexibility - discrete offers more customization; IPM provides proven optimized design.