Calculation tool
UCC14340-Q1-CALC — UCC14340-Q1 calculator tool
The UCC14340-Q1 calculator tool helps to generate BOM component values and accelerate application development.
UCC14340-Q1
Automotive, 1.5-W, 15-Vin, 25-Vout high-density > 3-kVRMS isolated DC-DC module
Data sheet
UCC14340-Q1
- High-density isolated DC/DC module with integrated transformer
- Isolated DC/DC for driving: IGBTs, SiC FETs
- Input voltage range: 13.5 V to 16.5 V with 32-V absolute maximum
- 1.5-W output power for 13.5 V < V VIN < 16.5 V, at T A ≤ 105°C
- Adjustable single or dual output voltages (using resistors) with < ±1.3% regulation accuracy over full operating range
- Low electromagnetic emission with spread spectrum modulation and integrated transformer
- Enable, Power Good, UVLO, OVLO, soft-start, short-circuit, power-limit, under-voltage, overvoltage, and over-temperature protection
- CMTI > 150 kV/µs
- AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C ≤ T J ≤ 150°C
- Temperature grade 1:–40 °C ≤ T A ≤ 125°C
- Functional Safety Capable
- Planned safety-related certifications:
- 5657-VPK basic isolation per DIN EN IEC 60747-17 (VDE 0884-17)
- 3000-VRMS isolation for 1 minute per UL 1577
- Basic insulation per CQC GB4943.1
- 36-pin, wide SSOP package
UCC14340-Q1 is a high isolation voltage DC/DC module designed to provide power to IGBT or SiC gate drivers. The module integrates a transformer and DC/DC controller with a proprietary architecture to achieve high efficiency with very low emissions. The high-accuracy output voltages provide higher system efficiency without over-stressing the power device gate.
The fully integrated module with on-chip device protection requires a minimum of external components, and provides extra features such as input under-voltage lockout, over-voltage lockout, output voltage powergood comparators, over-temperature shutdown, soft-start timing, adjustable isolated positive and negative output voltage, an enable pin, and an open-drain output powergood pin.
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Technical documentation
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Evaluation board
UCC14341EVM-069 — UCC14341-Q1 evaluation module for 1.5-W dual-output isolated DC-DC converter gate driver bias
The UCC14341-Q1 is a DC/DC converter module, providing 1.5 W of 5 kVRMS, isolated power in a low profile, 3.5 mm, wide body SOIC integrated package. The UCC14341EVM-069 EVM can operate from 13.5 VIN to 16.5 VIN and is configured for dual outputs of VDD = 18 V and VEE = -4 V. This EVM demonstrates (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SO-MOD (DWN) | 36 | Ultra Librarian |
Ordering & quality
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