Infineon Technologies IPB530N15N3GATMA1

Overview

IPB530N15N3GATMA1 from Infineon Technologies is an N-channel enhancement-mode power MOSFET designed for high-frequency switching and synchronous rectification in DC-DC converters and motor drives. It features 150 V V_DS, 53 mΩ R_DS(on) (max) at V_GS = 10 V, 21 A continuous drain current at T_C = 25 °C, and 175 °C maximum junction temperature - enabling robust operation in industrial power supplies.

For engineers reviewing the IPB530N15N3GATMA1 datasheet, IPB530N15N3GATMA1 pinout, IPB530N15N3GATMA1 application, or IPB530N15N3GATMA1 equivalent, key selection criteria include its low gate charge × R_DS(on) figure-of-merit (FOM), 84 A pulsed drain capability, integrated body diode with 80 ns t_rr, and PG-TO263-3 surface-mount package for thermal performance in compact power stages.

Technical Context

This MOSFET employs a trench-based OptiMOSTM3 process optimized for low conduction and switching losses. Its gate threshold voltage (2–4 V) ensures reliable turn-on with standard 5 V or 10 V logic-level drivers, while the 3.8 nC Q_gs and 1.5 nC Q_gd support fast, controlled switching transitions in hard-switched topologies.

Thermal design is supported by a 2.2 K/W R_thJC and JEDEC-qualified 175 °C operation. The integrated body diode exhibits 1.2 V V_SD at 21 A and 229 nC Q_rr, making it suitable for synchronous rectification where reverse recovery behavior directly impacts efficiency.

Key Specifications

Pinout & Package

IPB530N15N3GATMA1 uses the PG-TO263-3 (D²PAK) thermally enhanced surface-mount package with exposed drain pad for low thermal resistance. Pin 1 = Gate, Pin 2 = Drain (tab), Pin 3 = Source.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel power MOSFET applications.

Compared with IPB180N15N5, IPB530N15N3GATMA1 offers lower gate drive burden and better high-frequency efficiency; compared with IPP530N15N3G, it delivers superior thermal performance in space-constrained SMT layouts without sacrificing electrical specs.

Availability

IPB530N15N3GATMA1 is available at Aetrix Electronics and suitable for server VRMs, industrial BLDC inverters, telecom DC-DC bricks, and EV onboard charger PFC stages requiring stable component supply and long-term industrial lifecycle support.

Supply support for IPB530N15N3GATMA1 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 and discrete devices, with global manufacturing and qualification infrastructure.

This part belongs to the OptiMOSTM3 family - engineered for high-efficiency, high-frequency power conversion in industrial and computing applications where low R_DS(on) and fast switching are jointly critical.

FAQ

Is IPB530N15N3GATMA1 suitable for 48 V battery-powered motor drives?

Yes. With 150 V V_DS, 21 A continuous current, and 175 °C T_j rating, it supports 48 V nominal systems experiencing up to 80 V transients during regenerative braking. Its 53 mΩ R_DS(on) limits conduction loss to <2.4 W at 21 A, and the integrated body diode enables efficient freewheeling in H-bridge configurations without external Schottky diodes.

What is the recommended gate resistor value for 500 kHz operation?

A 4.7 Ω to 10 Ω gate resistor is recommended for 500 kHz hard-switched buck operation. This range balances switching speed (t_r/t_f ≈ 9/3 ns) against ringing and EMI, given the device's 8.7–12 nC Q_g and 2.1 Ω internal R_G. Lower values increase dI/dt and risk shoot-through; higher values raise switching losses above 0.15 W per transition at 500 kHz.

Does this MOSFET require a negative gate turn-off voltage?

No. The gate threshold voltage is 2–4 V, and the device is fully enhanced at V_GS = 10 V. A 0 V to –5 V turn-off bias is optional for improved noise immunity in high-dV/dt environments but not required for reliable operation. The ±20 V V_GS rating allows safe use with standard 12 V gate drivers without level-shifting.

How does its body diode performance compare to discrete Schottky diodes?

The integrated body diode has 1.2 V V_SD at 21 A and 229 nC Q_rr, resulting in higher forward loss than a 45 V Schottky but eliminating layout complexity and parasitic inductance. In synchronous rectification, its 80 ns t_rr is sufficient for ≤200 kHz operation; for >300 kHz, external SiC Schottky may reduce total loss but adds cost and footprint.