TLP250(TP1,F) - 1.5A Isolated Gate Driver Optocoupler | Toshiba
N.º de pieza: TLP250(TP1,F) ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $2.45 | $2,45 |
| 10 | $2.2 | $22,00 |
| 100 | $1.85 | $185,00 |
| 500 | $1.55 | $775,00 |
| 1.000 | $1.3 | $1.300,00 |
TLP250(TP1,F) Descripción general
An optocoupler (also called an opto-isolator) is a semiconductor device that transmits electrical signals between two circuits using a short optical path while providing complete electrical isolation. Gate-driver optocouplers such as the TLP250 sit within the broader hierarchy of isolators (optical -> magnetic -> capacitive), which itself belongs to the power-management semiconductor category. They are essential whenever a low-voltage controller must command a high-voltage power stage without any galvanic path between them, ensuring safety and preventing ground loops.
Key features of the TLP250(TP1,F) include a propagation delay of approximately 0.5 us, a common-mode transient immunity (CMTI) suitable for fast switching edges, and a wide operating temperature range that supports industrial environments. Internally the device uses a GaAlAs infrared LED coupled to a high-speed photo-diode receiver followed by a driver stage, allowing it to operate from a wide supply range. The (TP1,F) suffix denotes tape-and-reel packaging with the standard lead-free, RoHS-compliant termination finish.
Typical applications for the TLP250(TP1,F) include isolated gate drivers for IGBT modules in motor-control inverters, primary-side drivers for half-bridge and full-bridge switch-mode power supplies, solar inverters, induction-heating inverters, and any industrial application that requires reinforced isolation between the logic-level control side and the high-voltage power side. Its 1.5A peak output capability allows it to drive IGBTs rated up to several hundred amperes without an external buffer stage. Engineers commonly pair it with the ACPL-P343 or HCPL-3120 when a closer pin-compatible alternative is required.
When designing with the TLP250, observe the bypass-capacitor recommendations in the manufacturer datasheet: a 0.1 uF ceramic capacitor placed as close as possible to pins 8 and 5 (VCC and GND) is required for stable output switching, and an input-side current-limiting resistor must be chosen so that the LED forward current lies within the recommended 7-10 mA range. Designers should also note that the TLP250(TP1,F) has reached end-of-life status; the Toshiba TLP250H(TP1,F) and Broadcom HCPL-3120-500E are the closest drop-in cross-references available today.
This page synthesizes distributor pricing, lifecycle status, drop-in alternatives, and practical design considerations that are not consolidated on the manufacturer datasheet alone, enabling engineers to compare, source, and design confidently around this established gate-driver optocoupler.
Alternativas directas para TLP250(TP1,F) — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
TLP250H
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
TLP250H
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
HCPL-3120-500E
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ACPL-P343-500E
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ACPL-3120-500E
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
TLP250(TP1,F) Especificaciones
| Isolation Voltage | 2500 Vrms |
| Peak Output Current | 1.5 A |
| Tipo de salida | Totem-Pole (CMOS/IGBT gate driver) |
| Input Type | DC, Infrared LED |
| Forward Current (IF) | 7-10 mA typical (max 20 mA) |
| Supply Voltage (VCC) | 10 V to 30 V |
| Temperatura de funcionamiento | -40 C to +85 C (industrial, per package) |
| Encapsulado | 8-DIP (Through-Hole, 7.62 mm pitch) |
| Number of Channels | 1 |
| Tipo de montaje | Through-Hole |
| Packaging Code | (TP1,F) - Tape and Reel, lead-free finish |
| Nivel MSL | 1 (Unlimited) |
| Estado RoHS | Compliant |
| Lead-Free Finish | Yes |
| Recommended Substitutes | TLP250H(TP1,F), HCPL-3120-500E, ACPL-P343-500E |
Configuración de pines de TLP250(TP1,F)
| Pin 1 | NC — Not connected (no internal bond) |
| Pin 2 | ANODE — LED anode - connect to current-limiting resistor from logic supply |
| Pin 3 | CATHODE — LED cathode - ground or low-side switch reference |
| Pin 4 | VEE — Output-stage ground; pin 5 VCC reference |
| Pin 5 | VCC — Output-stage supply voltage (10-30V typical for IGBT gate drive) |
| Pin 6 | VO — Gate-driver output (totem-pole, source/sink 1.5A peak) |
| Pin 7 | VCC — Output-stage positive supply (internally connected to pin 5) |
| Pin 8 | VCC — Output-stage positive supply bypass (place 0.1uF close to this pin) |
Aplicaciones típicas
TLP250(TP1,F) es adecuado para 6 aplicacións: Industrial Motor Drive Inverter (IGBT Gate Driver), Switch-Mode Power Supply Half-Bridge Driver, Solar PV Inverter Power Stage, Induction Heating Inverter, Welding Inverter Power Module, Uninterruptible Power Supply (UPS) Bridge Driver.
Industrial Motor Drive Inverter (IGBT Gate Driver)
The TLP250(TP1,F) sits between the low-voltage DSP or microcontroller PWM outputs and the high-voltage IGBT half-bridge in industrial motor drives (VFDs, servo amplifiers). Its 1.5A peak totem-pole output charges a 4.7nF IGBT gate in under 30 ns, and the 2500 Vrms isolation easily satisfies IEC 61800-5-1 reinforced-isolation for 480 VAC line-driven inverters. The TLP250 is specified for the harsh switching transients of 600V/1200V IGBT modules used in 5-50 kW drives. Place a 0.1 uF X7R bypass within 5 mm of pins 5 and 8 to keep the 15-30V output supply clean during hard switching. Compared with gate-drive transformers, it eliminates the duty-cycle and reset-winding limitations of magnetic isolation.
Recomendado
Switch-Mode Power Supply Half-Bridge Driver
In off-line SMPS topologies such as half-bridge, full-bridge, and LLC converters, the TLP250(TP1,F) provides the critical isolation barrier between the primary-side controller (e.g., UCC25640) and the high-side primary MOSFETs. Its 1.5A drive strength switches primary MOSFETs in the 500V-800V class at switching frequencies up to 100 kHz with typical propagation delays of 0.5 us, keeping dead-time losses moderate. The 2500 Vrms isolation satisfies reinforced-insulation requirements for 220 VAC universal-input adapters and industrial PSU designs. A bootstrap diode-capacitor network is normally added because the TLP250 is single-channel and not bootstrapped; two units are used in primary-side full-bridge configurations.
Recomendado
Solar PV Inverter Power Stage
In solar inverters that convert 600V-1500V DC strings into single-phase or three-phase AC, the TLP250(TP1,F) drives the IGBT modules that form the inverter bridge, providing the mandatory isolation between the MPPT controller board and the DC-bus high-voltage side. Its 1.5A peak output charges typical 1-5 nF IGBT gates in 10-30 ns, supporting switching frequencies of 16-30 kHz used to keep acoustic noise low. The 2500 Vrms isolation fits residential and commercial string-inverter class-B isolation requirements. Bonded to a maximum ambient of 85 C and derated against output current, it is reliable in fanless outdoor inverter enclosures when mounted with adequate PCB copper pour under pin 5/8.
Recomendado
Induction Heating Inverter
Induction-heating cooktops and industrial induction heaters operate at 20-100 kHz switching frequency and rely on a resonant half-bridge or full-bridge topology switched by IGBTs rated 600V-1200V. The TLP250(TP1,F)'s 1.5A peak output is just adequate for driving cooktop-class IGBTs in the 20-40A range, and its 2500 Vrms isolation protects the user-touchable control side from the resonant tank. Designers frequently pair two TLP250 units in a dual-channel configuration to drive both low-side and high-side IGBTs through an isolation barrier transformer. Its robust totem-pole output handles the high dv/dt of resonant transitions without trouble, and the high CMTI prevents false triggering during tank commutation.
Recomendado
Welding Inverter Power Module
MIG, TIG, and stick welders use a 20-100 kHz inverter with very high peak currents (200-500A) flowing through IGBT modules; the TLP250(TP1,F) drives the IGBTs from a 15V-30V isolated supply on the secondary side, providing the 2500 Vrms barrier that protects operator controls from the welding-arc voltage. Its 1.5A peak output is typically augmented by an external push-pull buffer stage (e.g., IX2113 or IR4427) because the IGBTs are often in the 600V/300A-600A class that exceed the TLP250's direct drive capability. The temperature rating of -40 to +85 C supports the harsh thermal environment inside welding-machine cabinets.
Recomendado
Uninterruptible Power Supply (UPS) Bridge Driver
Online double-conversion UPS systems route battery DC through an IGBT bridge to produce AC, and the TLP250(TP1,F) provides the isolation-required gate drive for the 600V IGBTs used in 1-10 kVA units. Its 1.5A peak output supports the 30A-class IGBTs that dominate the residential and small-commercial UPS market; 16-20 kHz switching is typical to balance switching loss against acoustic noise. The 2500 Vrms isolation also separates the battery-monitoring microcontroller from the high-voltage DC bus, protecting technicians during installation and service. The TLP250 must be supplied from a 15V isolated bias (typically derived from the battery through a small DC-DC) rather than the AC side.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para TLP250(TP1,F) — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | TLP250H(TP1,F) | TLP250H(LF4,F) | HCPL-3120-500E | ACPL-P343-500E | ACPL-3120-500E |
|---|---|---|---|---|---|---|
| Brand | Toshiba | Toshiba | Toshiba | Broadcom | Broadcom | Broadcom |
| Package | 8-DIP | 8-DIP (same) | 8-DIP (same) | 8-DIP (same) | 8-DIP with standoffs (same footprint) | 8-DIP (same) |
| Peak Output Current | 1.5 A | 2.5 A | 2.5 A | 2.5 A | 4.0 A | 2.5 A |
| Isolation Voltage | 2500 Vrms | 3750 Vrms | 3750 Vrms | 3750 Vrms | 3750 Vrms | 3750 Vrms |
| UVLO | No | Yes | Yes | Yes | Yes | Yes |
| Lifecycle Status | EOL | Active | Active | Active | Active | Active |
| Unit Price (qty-1000, est.) | $1.30 | $1.45 | $1.45 | $1.70 | $2.20 | $1.75 |
| RoHS Compliance | Yes | Yes | Yes | Yes | Yes | Yes |
Diferenciadores clave
- Established and widely second-sourced 8-DIP footprint (frente a HCPL-3120-500E)
- Designed for 600V-1200V IGBT classes (frente a ACPL-P343-500E)
- Tape-and-reel ready with RoHS lead-free finish (frente a TLP250H(LF4,F))
Notas de diseño
Place a 0.1 uF X7R ceramic bypass capacitor directly between pin 8 (VCC) and pin 5 (GND) within 5 mm of the package body. Without this capacitor the totem-pole output stage will ring during hard switching of the IGBT gate, causing false triggering and excessive EMI. For high-current IGBTs (above 200 A), add a 10 uF tantalum or electrolytic capacitor in parallel. Estimated: these bypass components are not optional and are the most common failure root cause in field designs.
The TLP250 dissipates significant power at the gate-driver output: a 1.5A peak output with 20 kHz switching into a 100 nC total gate charge produces approximately 3W of switching loss in the output stage. At 25 C ambient the junction can rise 60-90 C above ambient in a DIP-8 with only standard PCB copper. Recommended: provide at least 2 square inches of copper on the VCC and GND pins as thermal pad; if the IGBT operates above 50 kHz, derate to <2.0A peak output.
Route the LED input traces (pins 2 and 3) on the opposite side of the PCB from the VCC/VO traces to minimize capacitive coupling that would create false input transitions during output switching. Keep the input-side ground return (pin 4) separated from output-side ground (pin 5) to avoid ground-loop injection of switching noise back into the LED. Maintain at least 4 mm clearance between input- and output-side PCB copper to preserve the 2500 Vrms isolation rating in humid environments.
Información de cumplimiento
RoHS compliance per Toshiba product page and PartGenie record. REACH, AEC-Q100, and halogen-free status not explicitly stated in the verified web data; consult the latest Toshiba material declaration for confirmation. No automotive (AEC-Q100) qualification for the TLP250 series.
