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Renesas UPA1740TP-E1-AZ
- Part No.:
- UPA1740TP-E1-AZ
- Manufacturer:
- Renesas
- Category:
- FETs, MOSFETs
- Package:
- 8-PowerSOIC (0.173", 4.40mm Width)
- Datasheet:
-
UPA1740TP-E1-AZ.pdf
- Description:
- UPA1740TP-E1-AZ - MOS FIELD EFFE
- Quantity:
- Payment:
- Shipping:
Inventory:155,000
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Product details
Overview
UPA1740TP-E1-AZ from Renesas Electronics is an N-channel power MOSFET designed for high-voltage DC/DC converters, featuring VDSS = 200 V, RDS(on) ≤ 0.44 Ω at VGS = 10 V and ID = 3.5 A, built-in gate protection diode, avalanche-rated operation, and Power HSOP8 surface-mount package.
For engineers reviewing the UPA1740TP-E1-AZ datasheet, UPA1740TP-E1-AZ pinout, UPA1740TP-E1-AZ application, or UPA1740TP-E1-AZ equivalent, key selection criteria include its 200 V blocking capability, low on-resistance for efficient switching in isolated flyback and forward converters, robust avalanche energy rating (EAS = 4.9 mJ), and thermal performance in compact industrial power supplies.
Technical Context
This device operates as a unidirectional high-side or low-side switch in hard-switched topologies, with gate threshold voltage (VGS(off)) ranging 2.5–4.5 V and forward transfer admittance |yfs| ≥ 3 S at ID = 3.5 A - enabling fast turn-on under moderate drive strength. Its Ciss = 420 pF and QG = 12 nC support efficient 100–500 kHz switching in offline SMPS designs.
The integrated body diode exhibits VF(S-D) = 1.0–1.5 V at IF = 7.0 A and trr = 110 ns, supporting synchronous rectification in secondary-side applications where controlled reverse recovery is required. Avalanche ruggedness is validated per single-pulse test conditions (VDD = 100 V, L = 100 µH, Tch = 25°C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDSS | 200 V - supports primary-side switching in universal-input (85–265 VAC) offline converters without derating. |
| RDS(on) | 0.44 Ω max at VGS = 10 V, ID = 3.5 A - enables <1.5 W conduction loss at 3.5 A DC, critical for thermally constrained PCB layouts. |
| QG | 12 nC - determines gate drive power requirement; compatible with standard 1–2 A peak gate drivers at ≤500 kHz. |
| EAS | 4.9 mJ - ensures reliable operation during inductive load transients or transformer leakage energy absorption without failure. |
| Ciss | 420 pF typ. at VDS = 10 V - impacts switching speed and EMI profile; low enough to minimize Miller-induced shoot-through risk. |
| tr/tf | 7.5 ns / 7 ns - supports fast edge rates for reduced switching losses in high-frequency DC/DC stages. |
| Tch max | 150 °C - defines maximum junction temperature for reliability modeling; requires thermal pad design for 22 W PT1 dissipation. |
Pinout & Package
UPA1740TP-E1-AZ is housed in Power HSOP8 (Heat Sink Out Package, 8-pin), a surface-mount package with exposed drain thermal pad on the bottom side for enhanced heat transfer to PCB copper. Pin 1–3 and 8 are internally connected to source; pin 4 is gate; pins 5–9 are drain (pins 5–9 share common drain connection).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 8 | Source | Common source node; connects to power ground or low-side return path; multiple pins reduce bond-wire inductance and improve current sharing. |
| 4 | Gate | Control input; requires external series resistor (RG) to damp ringing and limit dV/dt-induced turn-on; protected by internal Zener diode. |
| 5, 6, 7, 9 | Drain | Main high-voltage output node; pins 5–9 are internally shorted to drain; thermal pad (underside) is electrically and thermally tied to drain. |
Key Features
| Feature | Design Value |
|---|---|
| Avalanche-rated operation | Single-pulse EAS = 4.9 mJ and IAS = 7.0 A - eliminates need for external snubbers in flyback clamp circuits. |
| Built-in gate protection diode | ±30 V VGSS rating with integrated Zener - reduces external ESD protection component count in space-constrained designs. |
| Low RDS(on) × QG figure of merit | 0.44 Ω × 12 nC = 5.28 Ω·nC - balances conduction and switching losses for optimal efficiency in 100–300 kHz SMPS. |
| Thermally enhanced Power HSOP8 | θj-c = 5.68 °C/W - enables direct thermal coupling to inner-layer copper pours, supporting >15 W continuous dissipation on 2 oz Cu PCBs. |
| Fast body diode with controlled trr | trr = 110 ns, Qrr = 360 nC - minimizes reverse recovery loss in quasi-resonant or active-clamp topologies. |
Applications
| Industrial DC/DC Converters | Offline Flyback Power Supplies |
|---|---|
Use Scenario: 24 V input to 5 V/12 V isolated output in programmable logic controllers (PLCs) and sensor transmitters. IC Role / Device Role / Timing Role: Primary-side switching FET in fixed-frequency PWM-controlled flyback converter operating at 250 kHz. Use Value: 200 V VDSS accommodates reflected output voltage plus leakage spike margin; low RDS(on) maintains >88% efficiency at full load. | Use Scenario: Universal AC input (85–265 VAC) to 12 V/2 A output in industrial wall adapters and auxiliary power modules. IC Role / Device Role / Timing Role: Main power switch in discontinuous conduction mode (DCM) flyback with integrated PWM controller. Use Value: Avalanche rating absorbs transformer leakage energy without clamping circuit, reducing BOM cost and board area. |
| High-Voltage LED Drivers | Isolated Gate Driver Power Stages |
Use Scenario: Constant-current driver for 48 V string LED lighting in factory automation signage and machine vision illumination. IC Role / Device Role / Timing Role: High-side switch in buck-boost topology regulating LED current via current-sense feedback loop. Use Value: 7.0 A pulsed drain current supports transient overloads; fast tr/tf enables precise PWM dimming control up to 5 kHz. | Use Scenario: Isolated auxiliary supply (15 V @ 0.5 A) powering high-side gate drivers in motor inverter half-bridges. IC Role / Device Role / Timing Role: Secondary-side synchronous rectifier in forward converter with active reset. Use Value: Low VF(S-D) (1.0–1.5 V) and fast trr reduce conduction loss vs. Schottky alternatives, improving overall driver efficiency by ~2.5%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar N-channel power MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STP20NM20 | VDSS = 200 V, RDS(on) = 0.22 Ω (lower), but TO-220 package - higher thermal resistance (θj-a ≈ 62 °C/W vs. 125 °C/W for HSOP8). | Requires heatsink for >5 W dissipation; unsuitable for ultra-thin or double-sided PCBs. | Select when higher current handling (>7 A DC) and lower RDS(on) outweigh size constraints. |
| IXTP1R2N20P | VDSS = 200 V, RDS(on) = 1.2 Ω (higher), TO-220FP package - no exposed thermal pad; QG = 6.5 nC (lower). | Lower gate charge eases drive requirements but higher conduction loss limits use to <2 A average loads. | Select when gate drive strength is limited and thermal budget allows higher RDS(on). |
Compared with STP20NM20 and IXTP1R2N20P, UPA1740TP-E1-AZ offers the best balance of low-profile surface-mount packaging, verified avalanche ruggedness, and mid-range RDS(on)/QG for compact, high-reliability industrial power stages - especially where board space and transient robustness are prioritized over absolute minimum on-resistance.
Availability
UPA1740TP-E1-AZ is available at Aetrix Electronics and suitable for industrial DC/DC converters, offline flyback power supplies, and high-voltage LED drivers requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for UPA1740TP-E1-AZ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Renesas Electronics Corporation is a Japanese semiconductor manufacturer formed in 2010 through the merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, power, and timing solutions for industrial and automotive markets.
The UPA1740TP-E1-AZ belongs to Renesas' legacy µPA series of high-voltage power MOSFETs, engineered specifically for rugged, high-efficiency switching in industrial-grade offline power conversion systems where reliability under transient stress is critical.
FAQ
What is the maximum continuous drain current rating for UPA1740TP-E1-AZ at 25°C case temperature?
The UPA1740TP-E1-AZ has a maximum continuous drain current (ID(DC)) of ±7.0 A when measured at TC = 25°C. This rating assumes proper PCB thermal design with adequate copper area connected to the exposed drain thermal pad. At elevated case temperatures, derating applies per the datasheet's total power dissipation curve - for example, at TC = 100°C, usable current drops to approximately 4.2 A due to thermal limits.
Does UPA1740TP-E1-AZ include integrated gate protection, and what is its voltage limit?
Yes, UPA1740TP-E1-AZ integrates a gate-to-source Zener diode for electrostatic discharge (ESD) protection. Its gate-to-source voltage rating (VGSS) is ±30 V, meaning the device can withstand transient gate voltages up to +30 V or down to –30 V without damage. However, Renesas explicitly states that external gate protection remains necessary if system-level transients exceed this rating - such as in noisy industrial environments with inductive switching noise.
What is the typical input capacitance (Ciss) of UPA1740TP-E1-AZ, and how does it affect gate drive design?
The typical input capacitance (Ciss) of UPA1740TP-E1-AZ is 420 pF at VDS = 10 V and VGS = 0 V. This value directly influences gate charge requirements and drive strength needs: with QG = 12 nC, a 1 A peak gate driver will achieve ~12 ns rise time under ideal conditions. Designers must account for Ciss when selecting gate resistor values to avoid oscillation and ensure clean switching edges in high-frequency applications like 300 kHz flyback converters.
Can UPA1740TP-E1-AZ be used in avalanche mode, and what are the validated test conditions?
Yes, UPA1740TP-E1-AZ is rated for single-pulse avalanche operation with IAS = 7.0 A and EAS = 4.9 mJ. These ratings were validated under specific test conditions: starting channel temperature of 25°C, VDD = 100 V, gate drive transition from 20 V to 0 V, RG = 25 Ω, and inductive load L = 100 µH. Repetitive avalanche is also rated (IAR = 7.0 A, EAR = 2.2 mJ) at Tch ≤ 125°C - confirming suitability for clamped inductive switching in flyback and active-clamp forward topologies.
What is the thermal resistance from junction to case (θj-c) for UPA1740TP-E1-AZ, and how should it guide PCB layout?
The junction-to-case thermal resistance (θj-c) of UPA1740TP-E1-AZ is 5.68 °C/W, measured from the silicon die to the exposed drain thermal pad on the underside of the Power HSOP8 package. To realize this spec, the PCB must incorporate a minimum 10 mm² copper pour (2 oz Cu recommended) directly beneath the package, thermally connected via ≥4 thermal vias (0.3 mm diameter) to inner ground/power planes. Failure to implement this layout results in significantly degraded thermal performance - potentially exceeding Tch = 150°C even at moderate power levels.
UPA1740TP-E1-AZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 8-PowerSOIC (0.173", 4.40mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 200 V
- Current - Continuous Drain (Id) @ 25°C:
- 7A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 10V
- Rds On (Max) @ Id, Vgs:
- 440mOhm @ 3.5A, 10V
- Vgs(th) (Max) @ Id:
- 4.5V @ 1mA
- Gate Charge (Qg) (Max) @ Vgs:
- 12 nC @ 10 V
- Vgs (Max):
- ±30V
- Input Capacitance (Ciss) (Max) @ Vds:
- 420 pF @ 10 V
- FET Feature:
- -
- Power Dissipation (Max):
- 1W (Ta), 22W (Tc)
- Operating Temperature:
- 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-HSOP
UPA1740TP-E1-AZ FAQ
1.How can I place an order for UPA1740TP-E1-AZ through Aetrix?
Please submit a Request for Quotation (RFQ) for UPA1740TP-E1-AZ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for UPA1740TP-E1-AZ reliable?
The price and inventory of UPA1740TP-E1-AZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UPA1740TP-E1-AZ is usually 5 days.
3.What payment methods are accepted for UPA1740TP-E1-AZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UPA1740TP-E1-AZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UPA1740TP-E1-AZ?
UPA1740TP-E1-AZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UPA1740TP-E1-AZ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for UPA1740TP-E1-AZ?
For technical support, including UPA1740TP-E1-AZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UPA1740TP-E1-AZ requirements.
6.How does Aetrix verify that UPA1740TP-E1-AZ is sourced from the original manufacturer or authorized distributors?
All UPA1740TP-E1-AZ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that UPA1740TP-E1-AZ meets industry standards.
7.What is the process for return or replacement of UPA1740TP-E1-AZ?
All UPA1740TP-E1-AZ units undergo pre-shipment inspection (PSI). If there is an issue with UPA1740TP-E1-AZ, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The UPA1740TP-E1-AZ part is unused and in its original packaging.
Return procedure for UPA1740TP-E1-AZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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