Product Overview
The PC925LENIP0F is a high-performance optocoupled IGBT/MOSFET gate driver with integrated desaturation detection and fault feedback capabilities. Designed for demanding power electronics applications requiring robust protection and reliable isolation, this device combines a 2.5A peak output gate driver with comprehensive protection features including under-voltage lockout, desaturation (VCE sat) monitoring, and active miller clamping. The LENIP0F surface-mount package provides 5000Vrms isolation and is suitable for industrial inverters, motor drives, and renewable energy power conversion systems.
Key Specifications
| Isolation Voltage | 5000 Vrms (reinforced) |
| Output Peak Current | ±2.5 A |
| Output Supply Voltage | 15V to 30V |
| Input Logic Supply | 3.3V / 5V CMOS compatible |
| Propagation Delay | 250 ns (max) |
| Desaturation Detection Threshold | 9V (typical) |
| Common-Mode Transient Immunity | 50 kV/μs (min) |
| UVLO Threshold (VCC2) | 11.5V (typical) |
| Active Miller Clamp | Integrated |
| Operating Temperature | -40°C to +105°C |
| Package Type | SOIC-16 wide body / LENIP0F |
Features
- 2.5A peak output gate drive current
- Integrated desaturation (VCE) fault detection
- Under-voltage lockout protection
- Fault status feedback output
- Industrial variable frequency drives (VFD)
- IGBT-based inverter systems
- Renewable energy inverters (solar, wind)
- Uninterruptible power supplies (UPS)
- Electric vehicle charging stations
- Welding power supplies
- High-power DC-DC converters
- Three-phase industrial motor drives and VFDs
- IGBT-based solar and wind power inverters
- High-power uninterruptible power supply systems
- EV charging station power conversion stages
- Industrial arc welding power supplies
- High-voltage DC-DC converter modules
- Automotive Electronics: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
- Medical Devices: High-reliability components meet medical industry safety and compliance regulations, ensuring stable operation for medical equipment.
- Industrial Control & Consumer Electronics: Products conform to universal international electronic industry standards, suitable for long-term continuous operation of various equipment.
- Accepted Payment Methods
- T/T (Bank Wire Transfer): The primary settlement method for bulk orders and a widely used international payment channel.
- PayPal: Ideal for small orders, sample orders and quick payments.
Settlement Currency
US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.
Bank Charges
All transfer fees, intermediary bank charges and other remittance-related expenses shall be borne by the buyer.
- Payment Requirements
- Sample and small orders: Shipment will be arranged upon full payment.
- In-stock bulk orders: Goods will be delivered within 2 to 3 working days after full payment.
- Logistics Partners
- International Express: DHL, FedEx, UPS, TNT
- Economy Logistics: Air freight and sea freight for large-volume cargo
- Domestic Delivery: SF Express, Yunda Express
- Order Processing Time
- In-stock items: Orders confirmed and fully paid before 14:00 (GMT+8) will be shipped on the same day. All other orders will be dispatched within 1 to 2 working days.
- Out-of-stock or sourced items: The delivery lead time will be confirmed separately according to brand and inventory status.
- Estimated Transit Time
- International Express: 3 – 7 working days globally
- Air Freight: 7 – 12 working days
- Sea Freight: 25 – 40 working days for heavy and large bulk cargo
- Shipping Fee Rules
- Shipping cost is calculated based on package weight, volume, destination and delivery method.
- Both freight prepaid and freight collect are available. Please provide your courier account number in advance if you choose freight collect.
- Free international express delivery is offered for large orders. Terms for long-term partners can be negotiated separately.
- Shipment Tracking
Within 24 hours after dispatch, we will send the tracking number, commercial invoice, packing list and other documents to your email or communication account. You may check the shipment status online in real time.
MOQ & Sample Service
We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.
Packaging Standard
All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.
Import Duties & Taxes
All import duties, customs clearance fees and local taxes incurred for international shipments shall be borne by the buyer. We will provide complete customs documents to assist you with clearance procedures.
- Handling of Lost or Damaged Goods
- In case of loss or severe damage during transit, please contact us within 48 hours after receiving the tracking information. We will assist you in filing a claim with the logistics provider.
- We shall not be liable for any losses caused by incorrect delivery address, wrong contact information or the buyer’s refusal to complete customs clearance.
- Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
- Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
- Notice: Please make an appointment via email or communication tools one day in advance, and present your order information upon pickup.
- All components are packed separately to avoid damage caused by friction and collision;
- Shockproof buffer materials are added for fragile products to ensure transportation safety;
- Each package is clearly marked with part number, quantity, batch number and specifications for easy inventory counting and management.
- Anti-static Packaging: Static-sensitive components such as chips, circuit boards and sensors are packaged with anti-static bags, shielding boxes and conductive foam in strict accordance with international anti-static standards to prevent static damage.
- Vacuum Moisture-proof Packaging: Moisture-sensitive components are vacuum-sealed with desiccants to isolate humid air, suitable for ocean transportation and long-term storage.
- Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
- Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
- Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.
Applications
The PC925LENIP0F is a feature-rich, optocoupled gate driver specifically engineered for IGBT and high-power MOSFET applications requiring robust protection and reliable high-voltage isolation. Building on the proven PC923 architecture, the PC925 adds critical protection features including desaturation detection, active Miller clamping, and fault status feedback output, making it an ideal choice for high-reliability power electronic systems. The device delivers ±2.5A peak output current, sufficient to drive large-gate IGBT modules commonly used in industrial motor drives and renewable energy inverters. The integrated desaturation detection circuit monitors the collector-emitter voltage of the driven IGBT during the on-state, detecting fault conditions such as short circuits or overloads that would cause excessive VCE saturation voltage. When a fault is detected, the gate is promptly brought low and a fault signal is communicated back across the isolation barrier to the controller side. The active Miller clamp provides a low-impedance path to ground during the off-state, preventing parasitic turn-on caused by Miller current coupling in high-side switch applications. With reinforced isolation of 5000Vrms and high common-mode transient immunity of 50 kV/μs, the PC925LENIP0F ensures reliable operation in the presence of the large voltage slew rates typical of modern high-speed power converter designs.
The PC925LENIP0F operates as a galvanically isolated gate driver with integrated protection features, using an optical coupling mechanism for signal transfer across the isolation barrier. The input side contains an infrared LED that converts the PWM control signal into light pulses, which are detected by a photodiode array on the output side. The output side incorporates several functional blocks: a high-gain signal amplifier, a 2.5A push-pull output driver stage, and multiple protection circuits. The desaturation detection circuit works by monitoring the IGBT’s collector-emitter voltage through an external high-voltage diode connected to the DESAT pin. During normal on-state operation, VCE is low and the DESAT voltage stays below the detection threshold. If a fault occurs (such as a short circuit), VCE rises, charging the DESAT capacitor. When the voltage exceeds the 9V threshold, a fault condition is triggered, immediately soft-turning off the IGBT gate and latching the fault state. The active Miller clamp activates when the gate voltage falls below approximately 2V during turn-off, providing a low-impedance path from gate to emitter to sink any displacement current coupled through the Miller capacitance, preventing unintended turn-on. The UVLO circuit ensures the output driver remains in the low state whenever the supply voltage is insufficient for proper IGBT operation. A separate fault feedback channel communicates fault events back across the isolation barrier to the controller.
| Pin | Name | Side | Function |
|---|---|---|---|
| 1 | ANODE | Input | Input LED anode (PWM signal input) |
| 2 | CATHODE | Input | Input LED cathode |
| 3 | VCC1 | Input | Input side supply voltage (3.3V/5V) |
| 4 | GND1 | Input | Input side ground |
| 5 | FAULT | Input | Fault status feedback output (open collector) |
| 6-8 | NC | – | No connection (isolation barrier) |
| 9-11 | NC | – | No connection (isolation barrier) |
| 12 | GND2 / VEE | Output | Output side ground / negative rail |
| 13 | OUT / VEE | Output | Gate drive output (to IGBT gate) |
| 14 | CLAMP | Output | Active Miller clamp output |
| 15 | DESAT | Output | Desaturation detection input (connect to HV diode) |
| 16 | VCC2 | Output | Output side positive supply (15-30V) |
| Manufacturer | Part Number | Package | Notes |
|---|---|---|---|
| Broadcom | ACPL-332J | SO-16 | 2.5A gate driver, desat detection, fault feedback |
| Infineon | 1EDC20I12MH | DSO-16 | 2A isolated gate driver, DESAT, coreless transformer |
| TI | UCC21750 | SOIC-16 | 10A isolated gate driver with DESAT and sensing |
| Silicon Labs | Si8285 | SOIC-16 | 5A isolated gate driver, DESAT, Miller clamp |
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
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