2EDF7275KXUMA2 - Dual-Channel Isolated Gate Driver 4A/8A | Infineon
MPN: 2EDF7275KXUMA2 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.58 | $25.80 |
| 100 | $2.24 | $224.00 |
| 500 | $1.95 | $975.00 |
| 1,000 | $1.72 | $1,720.00 |
| 3,000 | $1.48 | $4,440.00 |
2EDF7275KXUMA2 Overview
A gate driver is a power-management IC that sits between a low-power controller (FPGA, MCU, or PWM controller) and a power switch (MOSFET, IGBT, or GaN HEMT), translating logic-level commands into the high-current, high-slew-rate signals needed to switch the power device efficiently. In the broader hierarchy, a gate driver belongs to the power management semiconductor family, alongside voltage regulators, supervisors, and motor drivers. Isolated gate drivers add a galvanic isolation barrier between the control domain and the high-voltage switching node, which is mandatory in telecom bricks, industrial motor drives, and photovoltaic inverters where creepage and clearance requirements prohibit a direct low-voltage-to-high-voltage connection.
Key features of the 2EDF7275KXUMA2 include 4 A source / 8 A sink peak output current, 37 ns propagation delay, accurate and stable timing between channels, 150 V/ns CMTI, functional isolation, and a wide VDDA supply range. The driver is non-inverting and supports independent inputs for each channel, allowing flexible half-bridge or dual-independent configurations. The PG-TFLGA-13-1 package is compact and offers good thermal performance for a driver dissipating <0.5 W under typical switching conditions.
Typical applications include isolated DC-DC converters, telecom bricks, industrial SMPS, photovoltaic micro-inverters, motor drives, and any topology that requires a high-CMTI isolated gate driver in a compact package. When designing with the 2EDF7275KXUMA2, observe the RVDDI sizing guidance in the datasheet to set the internal rail correctly, keep the high-current gate loop area minimal, and place the bootstrap or isolated supply decoupling capacitors directly at the driver pins.
Drop-in alternatives for 2EDF7275KXUMA2 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with 2EDF7275KXUMA2 (same form factor and footprint) β differing in Package, Product Type, Number of Channels, Operating Temperature Range, Peak Sink Current.
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| Product Type | Dual-channel isolated MOSFET gate driver |
| Channel Configuration | Dual (Half-Bridge / Dual Independent) |
| Peak Source Current | 4 A |
| Peak Sink Current | 8 A |
| Propagation Delay | 37 ns (typical) |
| Common-Mode Transient Immunity (CMTI) | 150 V/ns |
| Isolation Type | Functional isolation |
| Output Polarity | Non-Inverting |
| Internal Rail (VDDI) | Set by external RVDDI from VDD |
| SLDO Control Pin | SLDON (tie to GNDI to enable) |
| Package | PG-TFLGA-13-1 |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40C to +125C |
| RoHS Status | Compliant |
| Lead-Free | Yes |
2EDF7275KXUMA2 Pin Configuration
| Pin 1 | IN1 β Logic input for channel 1 (non-inverting) |
| Pin 2 | IN2 β Logic input for channel 2 (non-inverting) |
| Pin 3 | GND β Ground reference |
| Pin 4 | VDD β External supply voltage input |
| Pin 5 | VDDI β Internal regulated rail (set via external RVDDI) |
| Pin 6 | SLDON β SLDO enable (tie to GNDI to activate internal regulator) |
| Pin 7 | OUT1 β Gate-drive output channel 1 |
| Pin 8 | OUT2 β Gate-drive output channel 2 |
| Pin 9 | NC β Not connected (per datasheet) |
| Pin 10 | NC β Not connected (per datasheet) |
| Pin 11 | NC β Not connected (per datasheet) |
| Pin 12 | NC β Not connected (per datasheet) |
| Pin 13 | NC β Not connected (per datasheet) |
Typical Applications
2EDF7275KXUMA2 is suitable for 6 applications: Isolated DC-DC Converters (Telecom Bricks), Industrial Switch-Mode Power Supplies (SMPS), Solar Micro-Inverters and String Inverters, Motor Drive Power Stages (Auxiliary Drive), EV On-Board Chargers (OBC) Auxiliary Rails, Server and Datacenter 48 V Point-of-Load Converters.
Isolated DC-DC Converters (Telecom Bricks)
The 2EDF7275KXUMA2 is purpose-built for the secondary-side drive of isolated half-bridge and full-bridge DC-DC converters used in telecom bricks. Its 4 A source / 8 A sink peak current rapidly charges and discharges the gate of primary-side MOSFETs or GaN HEMTs, while 37 ns propagation delay with tight channel-to-channel matching prevents shoot-through. The 150 V/ns CMTI rating ensures clean output pulses despite fast dV/dt events across the isolation barrier. Per Infineon's telecom-bricks application note, the 2EDF7275K exhibits tighter propagation delay spread than competitor drivers, which directly translates into higher converter efficiency at MHz-class switching frequencies.
Recommended
Industrial Switch-Mode Power Supplies (SMPS)
In industrial SMPS designs such as 24 V / 48 V bus converters and welding inverters, the 2EDF7275KXUMA2 drives the high-side and low-side switches of a half-bridge with non-inverting logic inputs. Functional isolation is sufficient because a downstream isolated DC-DC stage provides the safety barrier. The 4 A/8 A peak drive handles Qg in the 30-80 nC range typical of 600 V silicon MOSFETs without thermal stress on the driver. Place the bootstrap diode and capacitor close to the high-side supply pin and minimize the high-current gate loop area for clean switching edges and low EMI.
Recommended
Solar Micro-Inverters and String Inverters
Photovoltaic micro-inverters and string inverters require robust gate drivers with high CMTI to survive the fast voltage transients of the DC-bus switching node. The 2EDF7275KXUMA2's 150 V/ns CMTI ensures the driver outputs remain glitch-free even when the 600 V or 1200 V bus slews at maximum edge rate. Functional isolation, combined with an upstream reinforced-isolation barrier, satisfies safety-agency requirements while keeping the driver-side BOM compact. The PG-TFLGA-13-1 package supports the dense, thermally constrained layouts typical of micro-inverter power stages mounted directly behind the PV panel.
Recommended
Motor Drive Power Stages (Auxiliary Drive)
For auxiliary low-power motor drive stages (e.g. fan, pump, or small BLDC), the 2EDF7275KXUMA2 provides the half-bridge drive for the inverter section. Its 4 A source / 8 A sink current and 37 ns propagation delay support PWM frequencies up to 100 kHz with minimal dead-time loss. Functional isolation is acceptable in auxiliary drives where reinforced isolation is provided by the upstream gate-drive transformer or digital isolator. Tight channel-to-channel matching reduces dead-time requirements, improving inverter efficiency and reducing acoustic noise in BLDC applications.
Recommended
EV On-Board Chargers (OBC) Auxiliary Rails
Inside an EV on-board charger, the 2EDF7275KXUMA2 drives the DC-DC stage that generates the 12 V auxiliary rail from the high-voltage bus. Functional isolation is appropriate because the upstream PFC stage provides the reinforced isolation. The driver's 4 A/8 A peak current easily switches the 100-200 V bus MOSFETs typically used in OBC auxiliary converters, and the 150 V/ns CMTI handles the fast transitions of the primary-side bridge. The compact PG-TFLGA-13-1 package suits the space-constrained OBC chassis.
Recommended
Server and Datacenter 48 V Point-of-Load Converters
Hyperscale datacenters using 48 V bus architectures require high-efficiency, high-density point-of-load converters stepping down to 1 V or 0.8 V for CPUs and ASICs. The 2EDF7275KXUMA2 drives the primary-side MOSFETs of an isolated LLC or full-bridge converter with its 4 A/8 A peak current, 37 ns delay, and 150 V/ns CMTI, enabling multi-MHz switching for high power density. Functional isolation is sufficient because the upstream digital isolator and planar transformer provide the reinforced isolation. The PG-TFLGA-13-1 package enables the dense top-side and bottom-side layouts used in 48 V PoL modules.
Recommended
Recommended Products Summary
Engineering reference data for 2EDF7275KXUMA2 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 2EDF7275KXUMA1 | 2EDS7165HXUMA1 | 2EDF7235KXUMA1 | 2EDB7259KXUMA1 | 2EDR8258XXUMA1 |
|---|---|---|---|---|---|---|
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Package | PG-TFLGA-13-1 | PG-TFLGA-13-1 | PG-TFLGA-13-1 | PG-TFLGA-13-1 | PG-TFLGA-13-1 | PG-TFLGA-13-1 |
| Peak Source Current | 4 A | 4 A | 4 A | 1.5 A | 2 A | 4 A |
| Peak Sink Current | 8 A | 8 A | 8 A | 3 A | 4 A | 8 A |
| CMTI | 150 V/ns | 150 V/ns | 150 V/ns | 150 V/ns | 150 V/ns | 150 V/ns |
| Isolation Type | Functional | Functional | Reinforced | Functional | Functional | Reinforced |
| Channel Configuration | Dual (Half-Bridge / Independent) | Dual (Half-Bridge / Independent) | Dual | Dual | Half-Bridge | Dual |
Key Differentiators
- Highest peak sink current (8 A) for fast Miller-clamp protection (vs 2EDF7235KXUMA1)
- Functional isolation for compact, non-safety-critical drive stages (vs 2EDS7165HXUMA1)
- Tight propagation-delay spread for high-efficiency MHz switching (vs TI UCC21750 family)
Design Notes
Estimated: minimize the high-current gate-drive loop area by placing the driver immediately adjacent to the power MOSFETs. The gate-drive loop comprises the driver OUT pin, the gate-source of the MOSFET, and the driver's GND return. A loop area under 0.5 cm^2 reduces loop inductance to single-digit nH, suppressing gate-voltage ringing and dv/dt-induced Miller turn-on. Use a ground-return via right next to the driver GND ball to keep the return path short.
Per the Infineon datasheet, the SLDO internal regulator is activated by connecting SLDON to GNDI (hard-wired connection recommended). The internal rail VDDI is set by an external resistor RVDDI between the external VDD supply and the VDDI pin. Select RVDDI per the datasheet's VDD-vs-RVDDI table to bias VDDI within the recommended range. A 100 nF X7R decoupling capacitor placed as close as possible to VDDI is mandatory for stable operation.
Do not leave SLDON floating - this disables the internal regulator and prevents gate-drive output. Per the Infineon datasheet, the SLDO pin must be tied to GNDI to activate the regulator; a hard-wired connection is preferred over a logic-level drive to avoid startup glitches. Also, verify that the chosen bootstrap or isolated supply voltage does not exceed the driver's absolute-maximum VDDA/VBS rating under all transients, including load-step events.
The 2EDF7275KXUMA2 typically dissipates under 0.5 W in continuous switching, but heavy capacitive loads or sustained short-circuit events can push junction temperature higher. The PG-TFLGA-13-1 package dissipates heat through the PCB; use at least four thermal vias under the exposed pad (if present) to spread heat into the inner ground plane. In continuous operation above 100 kHz with >50 nC Qg loads, verify junction temperature with a thermocouple or infrared camera during validation.
Compliance Information
RoHS and lead-free compliance confirmed via Infineon product page and DigiKey listing. AEC-Q100 automotive qualification not listed; for automotive applications contact Infineon FAEs for Q-graded variants.
