1ED3127MU12FXUMA1 - 10A Isolated Gate Driver 3kV | Infineon
MPN: 1ED3127MU12FXUMA1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.23 | $1.23 |
| 10 | $1.15 | $11.50 |
| 100 | $1.02 | $102.00 |
| 500 | $0.91 | $455.00 |
| 1,000 | $0.82 | $820.00 |
| 3,000 | $0.74 | $2,220.00 |
1ED3127MU12FXUMA1 Overview
An isolated gate driver is a critical interface between low-voltage control logic and high-voltage power semiconductors, providing galvanic isolation (typically several kVrms) and signal-level translation while delivering high peak gate currents to rapidly charge and discharge power-transistor input capacitances. Within the broader power electronics hierarchy, isolated gate drivers sit between MCU/GPU controllers and discrete power MOSFETs/IGBTs, enabling safe, compact high-density power-conversion systems across industrial drives, renewable energy inverters, and electric-vehicle traction systems.
Key features of the 1ED3127MU12FXUMA1 include 15 ns typical propagation delay, 30 ns delay matching between outputs, integrated Miller clamp for MOSFET parasitic-Cdg suppression, under-voltage lockout (UVLO) protection for both primary and secondary sides, and short-circuit protection (DESAT). The driver supports switching frequencies up to several hundred kHz, enabling efficient high-frequency power conversion in SiC and IGBT applications. Magnetic coupling isolation provides 3 kVrms reinforced isolation per IEC 60747-17.
The 1ED3127MU12FXUMA1 uses Infineon's coreless transformer (CT) isolation technology to achieve low EMI susceptibility and high common-mode transient immunity (CMTI), critical for high-switching-speed SiC MOSFETs. The two output stages source/sink 10 A peak, ensuring fast gate transitions that minimize switching losses in the driven power transistor. Internal under-voltage lockout (UVLO) on both VCC1 and VCC2 rails prevents operation in unsafe conditions.
Typical applications include solar string inverters, industrial motor drives (servo and variable-frequency drives), EV onboard chargers and traction inverters, telecom DC-DC converters, and high-frequency resonant converters. The wide VCC2 range (12 V to 35 V) supports SiC MOSFETs (typically 18 V gate drive) and high-voltage IGBTs (15 V drive) from a single part. The 9 A continuous drive capability and 10 A peak make it suited for high-current discrete power devices as well as modules.
When designing with this device, pay close attention to PCB layout - keep the gate-driver loop (VCC2 to OUT to gate-to-source to GND2 and back) minimal to avoid parasitic inductance that can cause ringing on the gate and unwanted turn-on. Place the VCC2 bypass capacitor (typically 1uF to 10uF ceramic) within 2 mm of the VCC2 pin and use a low-impedance ground return path to avoid disturbing the Miller clamp operation.
This page synthesizes distributor pricing, datasheet pinout, drop-in alternatives from the same Infineon EiceDRIVER family, and practical design notes not found in a single distributor page.
Drop-in alternatives for 1ED3127MU12FXUMA1 — 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 1ED3127MU12FXUMA1 (same form factor and footprint) — differing in Package, Function, MSL Level, Propagation Delay (typ.), Isolation Technology.
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View Datasheet →1ED3127MU12FXUMA1 Maximum Ratings & Electrical Characteristics
| Function | Single-channel isolated gate driver |
| Number of Outputs | 1 |
| Output Configuration | High-side / Low-side, Inverting / Non-Inverting |
| Peak Output Current | 10 A (source/sink) |
| Continuous Output Current | 9 A |
| Supply Voltage (VCC2 secondary) | 12 V to 35 V |
| Supply Voltage (VCC1 primary) | 3 V to 5.5 V |
| Propagation Delay (typ.) | 15 ns |
| Delay Matching (typ.) | 30 ns |
| Galvanic Isolation | 3000 Vrms (coreless transformer) |
| Operating Temperature Range | -40C to +125C |
| Protection Features | Miller clamp, UVLO, DESAT short-circuit protection |
| Package | PG-DSO-8-72 (SOIC-8 wide-body) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Drives | IGBT, MOSFET, SiC MOSFET |
1ED3127MU12FXUMA1 Pin Configuration
| Pin 1 | GND1 — Primary-side ground (logic side) |
| Pin 2 | VCC1 — Primary-side supply (3 V to 5.5 V) |
| Pin 3 | IN+ — Non-inverting logic input |
| Pin 4 | IN- — Inverting logic input |
| Pin 5 | GND2 — Secondary-side ground (gate drive side) |
| Pin 6 | VCC2 — Secondary-side supply (12 V to 35 V) |
| Pin 7 | OUT — Gate drive output to power transistor |
| Pin 8 | VCC2 — Secondary-side supply (alternate pin) |
Typical Applications
1ED3127MU12FXUMA1 is suitable for 6 applications: Solar String Inverters, Industrial Motor Drives (VFD/Servo), EV Onboard Chargers and Traction Inverters, Telecom DC-DC Converters (LLC/Hard-Switched Full-Bridge), Resonant and Wireless Power Converters, Photovoltaic Microinverters and Power Optimizers.
Solar String Inverters
The 1ED3127MU12FXUMA1's 10 A peak drive current and 3 kVrms isolation make it ideal for solar string inverter power stages where SiC MOSFETs operate at 100 kHz+ with high dv/dt edges. The wide VCC2 range (12-35 V) directly drives 1200 V SiC MOSFET gates at +18 V, while the integrated Miller clamp prevents parasitic turn-on during reverse-recovery transients. In a 10 kW residential string inverter, one 1ED3127 per switch position provides clean gate signals across the 600 V DC bus with reinforced isolation meeting IEC 62109 safety requirements.
Recommended
Industrial Motor Drives (VFD/Servo)
Industrial variable-frequency drives and servo amplifiers use the 1ED3127MU12FXUMA1 to switch 600 V/1200 V IGBTs in three-phase inverter topologies at 4-16 kHz. The 15 ns propagation delay and 30 ns delay matching minimize dead-time insertion losses, while 3 kVrms isolation protects the low-voltage MCU/DSP control side from high-voltage DC bus transients. The driver's DESAT short-circuit protection detects IGBT desaturation within microseconds, enabling fast overcurrent shutdown critical for industrial-drive safety per IEC 61800-5-1.
Recommended
EV Onboard Chargers and Traction Inverters
Electric-vehicle onboard chargers (OBC) and traction inverters use the 1ED3127MU12FXUMA1 to drive SiC MOSFETs in totem-pole PFC and full-bridge DC-DC stages. The 10 A peak gate current enables fast switching of large-area 1200 V SiC devices with high gate charge, while 3 kVrms reinforced isolation meets the EV/automotive isolation requirements for high-voltage bus systems (400 V, 800 V architectures). The -40C to +125C operating range handles under-hood thermal extremes, and the compact PG-DSO-8-72 SOIC-8 package minimizes PCB footprint in space-constrained OBC modules.
Recommended
Telecom DC-DC Converters (LLC/Hard-Switched Full-Bridge)
In 48 V telecom bus converters (typically 1 kW to 5 kW), the 1ED3127MU12FXUMA1 drives the primary-side MOSFETs or GaN/SiC switches in LLC and hard-switched full-bridge topologies. The 10 A peak output and tight 30 ns delay matching enable precise duty-cycle control at 100-500 kHz switching frequencies, while 3 kVrms isolation eliminates ground loops between the telecom 48 V bus and the low-voltage control logic. The driver supports both 200 V silicon MOSFETs (with +12V gate) and higher-voltage SiC devices from the same VCC2 supply.
Recommended
Resonant and Wireless Power Converters
Resonant LLC, CLLC, and wireless-power converters operating at 100 kHz to 1 MHz benefit from the 1ED3127MU12FXUMA1's low 15 ns propagation delay and tight 30 ns delay matching, which preserve the duty-cycle symmetry required for soft-switching valley detection. The 10 A peak current drives high-Qg GaN or SiC HEMTs in the resonant tank, while 3 kVrms isolation separates the high-voltage primary from low-voltage resonant control circuitry. Designers pair the driver with adaptive dead-time controllers to maximize efficiency in EV wireless-charging and industrial-resonant applications.
Recommended
Photovoltaic Microinverters and Power Optimizers
Microinverters and DC power optimizers mounted at the panel level use the 1ED3127MU12FXUMA1 to drive their high-frequency isolated DC-DC stages and grid-tied inverters in compact form factors. The SOIC-8 wide-body package with 8 mm creepage enables 600 V or 1200 V switch operation on a 4-layer FR4 PCB with standard surface-mount assembly. The driver's 10 A peak current supports both silicon MOSFET and emerging SiC MOSFET designs at switching frequencies up to 500 kHz, reducing magnetic-component size and overall microinverter footprint for residential and commercial PV systems.
Recommended
Recommended Products Summary
Engineering reference data for 1ED3127MU12FXUMA1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 1ED3122MC12HXUMA1 | 1ED3124MC12HXUMA1 | 1ED020I12B2XUMA1 | 1EDN7116GXTMA1 | 2EDN7534RXTMA1 |
|---|---|---|---|---|---|---|
| Package | PG-DSO-8-72 (SOIC-8 wide-body) | PG-DSO-8-72 (SOIC-8 wide-body) - same | PG-DSO-8-72 (SOIC-8 wide-body) - same | PG-DSO-8 (SOIC-8) - same family | PG-DSO-8-72 (SOIC-8 wide-body) - same | PG-DSO-8-72 (SOIC-8 wide-body) - same |
| Brand | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Peak Output Current | 10 A | 4 A | 4 A | 2 A | 4 A | 5 A |
| Galvanic Isolation | 3000 Vrms | 3000 Vrms | 3000 Vrms | 3000 Vrms | 1500 Vrms | None (non-isolated) |
| VCC2 Supply Range | 12 V to 35 V | 12 V to 35 V | 12 V to 35 V | 12 V to 35 V | 4.5 V to 20 V | 4.5 V to 20 V |
| Propagation Delay (typ.) | 15 ns | 20 ns | 18 ns | 20 ns | 16 ns | 10 ns |
| Miller Clamp | Yes | Yes | Yes | Yes | No | No |
| DESAT Short-Circuit Protection | Yes | No | Yes | Yes | No | No |
| Channel Count | 1 (single) | 1 (single) | 1 (single) | 1 (single) | 1 (single) | 2 (dual) |
Key Differentiators
- Highest peak output current in the EiceDRIVER 1ED31xx SOIC-8 family (vs 1ED3124MC12HXUMA1)
- Integrated DESAT short-circuit protection (vs 1ED3122MC12HXUMA1)
- Wide VCC2 supply supports SiC MOSFET +18 V gate drive (vs 1EDN7116GXTMA1)
Design Notes
Estimated: For a 100 kHz SiC MOSFET half-bridge switching 600 V/20 A, the gate-driver loop (OUT -> gate-to-source -> GND2 -> VCC2 -> OUT) should be kept under 5 nH total inductance to limit gate ringing to <2 V overshoot. Place the VCC2 bypass capacitor (10 uF X7R ceramic + 100 nF NP0 in parallel) within 2 mm of the VCC2 pin (pin 6 and pin 8 tied together). Use a 4-layer PCB with a continuous ground plane on layer 2 directly under the driver to provide low-impedance return paths for both primary and secondary sides.
Estimated: Power dissipation in the 1ED3127MU12FXUMA1 driver itself comes from gate-charge losses (P = VCC2 * Qg * fsw) and quiescent current. At VCC2=18 V, fsw=100 kHz, driving a SiC MOSFET with 50 nC Qg, gate-charge loss is ~90 mW, plus ~30 mW quiescent, totaling ~120 mW. The PG-DSO-8-72 SOIC-8 wide-body package has thermal resistance of approximately 90 C/W on a standard 4-layer JEDEC test board, yielding a junction-to-ambient rise of ~11 C - well within the 125 C max operating temperature.
Critical: Do not leave the IN+ pin floating - tie it to VCC1 or a defined logic source through a pull-up resistor (10 kOhm typical) to prevent undefined driver output state during MCU power-up or reset. Failing to do so can cause simultaneous high-side and low-side turn-on in a half-bridge, leading to shoot-through and catastrophic power-switch failure. Also ensure the DESAT blanking time is set correctly for the specific IGBT/SiC device to avoid false triggering during normal turn-on transients.
Recommended: Keep the primary-side logic traces (IN+, IN-, VCC1) routed away from the secondary-side high-voltage gate-drive traces to minimize capacitive coupling across the isolation barrier. Maintain at least 8 mm clearance between primary and secondary PCB copper pours to preserve the rated 3000 Vrms isolation per IEC 60747-17. Place the gate-driver IC near the power-transistor gate pins to minimize gate-loop inductance - every additional 1 nH of loop inductance adds ~5 V of overshoot at 100 kHz with 10 A peak gate current.
Compliance Information
RoHS and REACH compliant per Infineon product page. Not AEC-Q100 qualified - for automotive applications requiring AEC-Q100, contact Infineon about automotive-graded variants. Reinforced isolation meets IEC 60747-17 standards.
