Infineon Technologies IM06B15AC1XKMA1

Overview

IM06B15AC1XKMA1 from Infineon is a fully isolated 3-phase inverter IPM integrating six TRENCHSTOP™ IGBT7 switches (650 V, 15 A), SOI gate drivers, bootstrap circuitry, overcurrent protection, undervoltage lockout, and an integrated NTC thermistor. It delivers motor phase outputs (U/V/W), supports open-emitter current sensing via NU/NV/NW pins, and operates with ±450 V DC bus voltage. Used in variable-speed motor drives for air-conditioners and home appliances.

For engineers reviewing the IM06B15AC1XKMA1 datasheet, IM06B15AC1XKMA1 pinout, IM06B15AC1XKMA1 application, or IM06B15AC1XKMA1 equivalent, key selection criteria include its 600 V isolation rating, -11 V allowable negative VS potential at VBS = 15 V, 360 ns minimum deadtime, accessible low-side emitters for shunt-based phase current monitoring, and integrated fault output with latch behavior on ITRIP or UVLO.

Technical Context

The IM06B15AC1XKMA1 implements a 3-phase bridge topology using six discrete IGBT7 devices with anti-parallel diodes, driven by a robust SOI-based gate driver with built-in cross-conduction prevention and 360 ns typical deadtime insertion. Its high-side floating supply (VB/VS) supports up to 600 V offset, and the bootstrap circuit enables self-powered high-side operation without external capacitors per leg.

Control logic uses Schmitt-trigger inputs compatible with 3.3 V/5 V CMOS/LSTTL, with internal 5 kΩ pull-downs and zener clamping to -5.5 V. Fault handling includes latched shutdown on ITRIP (0.525 V threshold) or VDD undervoltage (11.5 V falling threshold), with mandatory input edge reset after ≥100 µs fault-clear time.

Key Specifications

Pinout & Package

Package: Fully isolated dual in-line molded module (DIP 36×21 mm), RoHS-compliant lead-free terminations, designed for direct heatsink mounting with electrical isolation and low EMI.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 3-phase inverter IPM applications.

Compared with FSA600A15A and FSB50650, IM06B15AC1XKMA1 offers superior thermal awareness via monolithic NTC, enhanced noise immunity with -11 V VS tolerance, and tighter hardware-enforced deadtime-making it optimal for compact, safety-critical, and thermally constrained motor drives.

Availability

IM06B15AC1XKMA1 is available at Aetrix Electronics and suitable for air-conditioner compressor drives, washing machine motor inverters, and refrigerator fan control systems requiring stable component supply, long-term lifecycle support, and JEDEC-qualified industrial reliability.

Supply support for IM06B15AC1XKMA1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs, with leadership in IGBT, SiC, and intelligent power modules.

The CIPOS™ Mini IPM product line targets compact, high-reliability 3-phase motor drives for white goods and industrial equipment, integrating power semiconductors, gate drivers, protection, and thermal sensing into a single isolated package.

FAQ

What is the recommended minimum deadtime for IM06B15AC1XKMA1, and how is it enforced?

The IM06B15AC1XKMA1 enforces a typical minimum deadtime of 360 ns via hardware-level gate driver logic, independent of MCU timing. This prevents cross-conduction by inserting fixed delay between complementary high-side and low-side switch transitions. No external deadtime programming is required, though MCU-level deadtime can be added for additional margin in high-noise environments.

Can the VFO pin be used simultaneously for fault indication and NTC thermistor readout?

Yes - VFO serves dual function: as open-drain fault output (active-low during UVLO or ITRIP) and as analog node for NTC thermistor voltage divider. During normal operation, an external pull-up resistor and series NTC form a voltage divider; during fault, VFO is actively pulled low, overriding thermistor reading until fault clear. Design must separate sampling windows or use external multiplexing.

What is the maximum allowed DC bus voltage, and why is it lower than the 650 V IGBT rating?

The absolute maximum DC link voltage is 450 V (with 500 V surge rating), not 650 V, due to system-level constraints including bus capacitor ripple, switching overshoot, and safety margins for industrial applications. The 650 V IGBT VCES rating provides headroom for transient spikes and ensures long-term reliability under worst-case dv/dt and temperature conditions.

How does the NU/NV/NW pin configuration support three-shunt current sensing?

NU, NV, and NW provide individual low-side emitter connections - one per phase leg - allowing each shunt resistor to be placed between emitter and VSS without shared return paths. This eliminates common-mode voltage coupling between phases and enables accurate, simultaneous three-phase current measurement using standard op-amp or delta-sigma ADC front-ends referenced to VSS.