Infineon Technologies IM240M6Y1BAKMA1

Overview

IM240M6Y1BAKMA1 from Infineon Technologies is a 600V, 4A 3-phase Intelligent Power Module (IPM) integrating RC-DF IGBTs, half-bridge high-voltage gate drivers, bootstrap circuitry, and UL-certified NTC thermistor. It delivers 2.3V typical V_CE(sat) at 25°C/4A, supports 3.3V logic inputs, and provides open-emitter outputs for shunt-based current sensing in motor inverter stages. Used in energy-efficient appliance motor drives including air-conditioner fans and refrigerator compressors.

For engineers reviewing the IM240M6Y1BAKMA1 datasheet, IM240M6Y1BAKMA1 pinout, IM240M6Y1BAKMA1 application, or IM240M6Y1BAKMA1 equivalent, key selection criteria include its DIP23A package, integrated shoot-through protection with 300ns minimum dead time, -VS immunity, and 1900V_RMS isolation rating for industrial-grade reliability in compact inverter designs.

Technical Context

This IPM implements three independent half-bridge driver channels with floating high-side supplies (VB1–VB3), each driving an RC-DF IGBT with low conduction loss and optimized dV/dt for EMI/loss trade-offs. Input logic uses Schmitt-triggered HIN/LIN pins with internal 800kΩ pull-downs and noise filtering (T_FILIN) to reject sub-threshold pulses.

Undervoltage lockout operates at V_DDUV+ = 11.1V (rising) and V_DDUV− = 10.9V (falling) for all control channels, while high-side supply UVLO thresholds match (V_BSUV+/V_BSUV−). The module features open-emitter outputs (VR1–VR3) referenced to COM for per-phase current sensing and a dedicated VTH pin for analog temperature monitoring via integrated NTC.

Key Specifications

Pinout & Package

IM240M6Y1BAKMA1 is housed in a DIP23A through-hole package with 23 leads, optimized for thermal performance and PCB-level isolation in compact motor drive modules.

Key Features

Applications

Equivalent & Alternatives

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

Compared with FSB50450 and IRSM808-205MH, IM240M6Y1BAKMA1 uniquely combines UL-certified NTC integration, DIP23A through-hole mounting for mechanical robustness, and 300ns hardware dead-time insertion-making it optimal for cost-sensitive, safety-critical, and thermally constrained appliance inverter designs.

Availability

IM240M6Y1BAKMA1 is available at Aetrix Electronics and suitable for air-conditioner fan drives, refrigerator compressor controls, and ventilation blower systems requiring stable component supply across multi-year production cycles.

Supply support for IM240M6Y1BAKMA1 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 is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs, with leadership in IGBT and IPM technology.

The CIPOS™ Micro product line delivers compact, fully-integrated 3-phase inverter modules targeting energy-efficient appliance motor drives, emphasizing thermal reliability, functional safety, and reduced bill-of-materials.

FAQ

What is the maximum DC bus voltage supported by IM240M6Y1BAKMA1?

The absolute maximum blocking voltage is 600V, but the datasheet specifies that the DC bus voltage (V+) must not exceed 450V during normal operation. This 150V margin accommodates transient overvoltages and ripple, ensuring reliable long-term operation in appliance-grade power supplies without requiring additional clamping circuits.

How is the integrated NTC thermistor connected and used?

The UL-certified NTC has one terminal internally connected to COM and the other to the VTH pin. To use it, an external pull-up resistor (typically 10kΩ to VDD or 3.3V) is required. The resulting analog voltage at VTH varies inversely with temperature, enabling direct ADC measurement for real-time die temperature monitoring and thermal protection.

Does IM240M6Y1BAKMA1 require external bootstrap diodes and capacitors?

Yes - although the module integrates bootstrap circuitry, external bootstrap diodes and capacitors must be placed per phase (VB1–COM, VB2–COM, VB3–COM). Recommended values are 1N4148W-type diodes and 0.22μF/50V X7R ceramic capacitors, mounted close to the VB pins to ensure stable high-side gate drive under PWM switching.

Can IM240M6Y1BAKMA1 be used with 5V microcontrollers?

Yes - the HIN/LIN inputs are compatible with 5V LSTTL logic levels, though the device is optimized for 3.3V operation. VIH(min) is 2.0V and VIL(max) is 0.8V, ensuring robust recognition of both 3.3V and 5V logic signals without level translation, provided VDD remains within its 11.1–20V operating range.