Infineon Technologies IRSM836-044MATR

Overview

IRSM836-044MATR from Infineon Technologies (formerly International Rectifier) is a 4A, 250V 3-phase integrated power module (IPM) for brushless AC motor drives in small appliances. It integrates six Trench MOSFETs, high- and low-side gate drivers, bootstrap diodes/resistors, under-voltage lockout, over-current protection, fault reporting, and 3.3V Schmitt-trigger logic inputs - all in a 12×12 mm PQFN package with 1500 VRMS isolation. It delivers up to ~150W motor power without heatsink in energy-efficient fans and pumps.

For engineers reviewing the IRSM836-044MATR datasheet, IRSM836-044MATR pinout, IRSM836-044MATR application, or IRSM836-044MATR equivalent, key selection criteria include its 250V blocking voltage, matched 0.7–1.04 Ω R_DS(on), 1.5 µs max propagation delay, 1500 VRMS isolation, and open-source shunt sensing capability for precise current monitoring in compact motor control designs.

Technical Context

This IPM implements a fully integrated 3-phase inverter stage with independent high-side (VB1–VB3) and low-side (VSS/COM) floating supplies, enabling direct connection to 200 V DC bus. Its driver IC features cross-conduction prevention logic, 200 ns input filtering on HIN/LIN, and 330 ns blanking on ITRIP to suppress false fault triggering during switching transients.

The module uses matched propagation delays (<1.5 µs) and optimized dV/dt characteristics to balance switching loss and EMI. Its 3.3V-compatible Schmitt-trigger inputs tolerate 0–5 V logic levels and maintain stable operation across VS offset from COM−5 V to COM+250 V, supporting robust operation in noisy appliance environments.

Key Specifications

Pinout & Package

IRSM836-044MATR is housed in a 36-lead PQFN package (12 × 12 mm, 1.0 mm height) with exposed thermal pad on bottom side for PCB-level heat dissipation. The package provides reinforced isolation between power and logic domains, with dedicated high-side floating supplies (VB1/VB2/VB3) and common source outputs (U/VS1, V/VS2, W/VS3).

Key Features

Applications

Equivalent & Alternatives

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

Compared with FSB50450 and BM63760MUV-LB, IRSM836-044MATR uniquely balances 4 A capability, 12×12 mm size, open-source sensing, and no-heatsink operation - making it optimal for mid-power, space-limited appliance motors where layout simplicity and thermal autonomy are critical.

Availability

IRSM836-044MATR is available at Aetrix Electronics and suitable for energy-efficient ceiling fans, compact HVAC blowers, smart washing machine drain pumps, and IoT air purifier fans requiring stable component supply across multi-year production cycles.

Supply support for IRSM836-044MATR 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 leader specializing in power management, automotive, and industrial control ICs, with deep expertise in high-voltage integration and motor control.

This part belongs to Infineon's CIPOS™ Mini family of compact intelligent power modules, engineered specifically for cost-sensitive, space-constrained BLDC and PMSM motor drives in white goods and consumer appliances.

FAQ

What is the maximum DC bus voltage supported by IRSM836-044MATR?

The absolute maximum blocking voltage is 250 V, and the recommended operating condition specifies a maximum V+ of 200 V DC. This 25% margin accommodates line surges and switching transients typical in universal-input appliance rectifiers. Exceeding 200 V continuously risks accelerated wear-out of the integrated MOSFETs and violates JEDEC qualification limits.

Does IRSM836-044MATR require external bootstrap diodes or capacitors?

No - the module integrates bootstrap diodes and a 200 Ω equivalent resistor internally. Only external bootstrap capacitors (typically 0.1–0.22 µF ceramic) are required per high-side channel (VB1–VB3 to VS1–VS3). This reduces bill-of-materials count and eliminates routing sensitivity associated with discrete bootstrap networks.

How is over-current protection implemented, and what is the response time?

Over-current protection uses the ITRIP pin to monitor shunt voltage across low-side MOSFETs. Upon exceeding 0.37–0.55 V, a 330 ns blanking window prevents false triggering, followed by 600–1000 ns propagation to FAULT assertion and gate shutdown. Total fault-to-turn-off latency is ≤1.3 µs, ensuring safe interruption before destructive energy accumulates.

Can IRSM836-044MATR drive a motor without a microcontroller?

No - it requires externally generated 3-phase PWM signals on HIN1–3 and LIN1–3 inputs. The module contains no internal PWM generator, commutation logic, or position sensing. It functions strictly as a gated power stage; motor control algorithms (e.g., trapezoidal or FOC) must be executed by an external MCU or DSP.