Overview
The TLP250, produced by Toshiba Semiconductor and Storage, is a high-performance optocoupler designed specifically for gate driving circuits of IGBTs (Insulated Gate Bipolar Transistors) and power MOSFETs. This component consists of a GaAlAs infrared emitting diode optically coupled to an integrated photodetector, making it ideal for applications requiring high isolation and fast switching speeds.
The TLP250 is available in various package types, including 8-lead DIP (Dual In-Line Package) and 8-SMD (Surface Mount Device) with gull wing leads, ensuring versatility in different design requirements. It is RoHS compliant and meets various safety standards such as UL 1577, cUL, and EN 60747-5-5.
Key Specifications
| Characteristic | Symbol | Condition | Value | Unit |
|---|---|---|---|---|
| Isolation Voltage | BV S | t = 60 sec | 2500 | Vrms |
| Supply Current (Max) | I CC | - | 11 | mA |
| Threshold Input Current (L/H) | I FLH | - | 5 | mA |
| Output Current (Peak) (Max) | I OP | - | ±1.5 | A |
| Propagation Delay Time (H/L) (Max) | tpHL | - | 500 | ns |
| Propagation Delay Time (L/H) (Max) | tpLH | - | 500 | ns |
| Operating Temperature Range | T opr | - | -20 to 85 | °C |
| Storage Temperature Range | T stg | - | -55 to 125 | °C |
| Lead Soldering Temperature (10 s) | T sol | - | 260 | °C |
Key Features
- High Isolation Voltage: The TLP250 offers an isolation voltage of 2500 Vrms, ensuring high electrical isolation between the input and output circuits.
- Fast Switching Speed: With propagation delay times of 500 ns (max) for both high-to-low and low-to-high transitions, the TLP250 is suitable for high-speed switching applications.
- High Drive Capability: The component can handle peak output currents of ±1.5 A, making it capable of driving IGBTs and power MOSFETs effectively.
- RoHS Compliance: The TLP250 is lead-free and RoHS compliant, aligning with environmental regulations.
- Wide Operating Temperature Range: It operates over a temperature range of -20 to 85°C, making it versatile for various environmental conditions.
Applications
- Inverter Systems: The TLP250 is widely used in three-phase voltage source inverters, including those in industrial inverters and PV inverters.
- IGBT and MOSFET Gate Drive: It is specifically designed for driving IGBTs and power MOSFETs in various power electronics applications.
- Air Conditioners and Induction Cooktops: The component is also used in the gate drive circuits of power devices in consumer appliances like air conditioners and induction cooktops.
- Overcurrent Protection: It can be part of the circuitry that implements overcurrent protection for IGBTs in inverter units.
Q & A
- What is the isolation voltage of the TLP250?
The isolation voltage of the TLP250 is 2500 Vrms.
- What is the maximum output current of the TLP250?
The maximum output current of the TLP250 is ±1.5 A.
- What is the propagation delay time of the TLP250?
The propagation delay time (tpLH and tpHL) of the TLP250 is 500 ns (max).
- Is the TLP250 RoHS compliant?
Yes, the TLP250 is RoHS compliant and lead-free.
- What are the typical applications of the TLP250?
The TLP250 is typically used in IGBT and MOSFET gate drive circuits, inverter systems, air conditioners, and induction cooktops.
- What is the operating temperature range of the TLP250?
The operating temperature range of the TLP250 is -20 to 85°C.
- Does the TLP250 require any external components for operation?
Yes, a ceramic capacitor (0.1 μF) should be connected between specific pins to stabilize the operation of the high gain linear amplifier.
- Is the TLP250 suitable for high-speed switching applications?
Yes, the TLP250 is designed for high-speed switching applications with fast propagation delay times.
- What safety standards does the TLP250 meet?
The TLP250 meets safety standards such as UL 1577, cUL, and EN 60747-5-5.
- Is the TLP250 still in production?
The TLP250 is shortly to be discontinued, and for new designs, alternative products should be considered.
