Calculation tool
UCC14140-Q1-CALC — UCC14140-Q1 calculator tool
The UCC14140-Q1 calculator tool helps to generate BOM component values and accelerate application development.
UCC14140-Q1
Automotive, 1.5-W, 12-V VIN, 25-V VOUT high-density >3-kVRMS isolated DC/DC module
Data sheet
UCC14140-Q1
- Fully integrated high-density isolated DC/DC module with isolation transformer
- Isolated DC/DC for driving: IGBTs, SiC FETs
- Input voltage range: 8 V to 18 V with 32-V absolute maximum
- 1.5-W output power for 10.8 V < V VIN < 13.2 V, at T A ≤ 85 °C
- 1-W output power for 8 V < V VIN < 18 V, at T A ≤ 85 °C
- Adjustable (VDD – VEE) output voltage (with external resistors): 15 V to 25 V, ±1.3 % regulation accuracy over full temperature range
- Adjustable (COM – VEE) output voltage (with external resistors): 2.5 V to (VDD – VEE), ±1.3 % regulation accuracy over full temperature 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
- Documentation available to aid functional safety system design
- 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
UCC14140-Q1 is an automotive qualified high isolation voltage DC/DC power module designed to provide power to IGBT or SiC gate drivers. The UCC14140-Q1 integrates a transformer and DC/DC controller with a proprietary architecture to achieve high density with very low emissions. The high-accuracy output voltages provide better channel enhancement for higher system efficiency without over-stressing the power device gate. The input voltage of UCC14140-Q1 supports both wide LiFePO 4 battery voltage of electric vehicle (8 V-18 V) and regulated 12-V rail (10.8 V-13.2 V), with different output power.
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 power-good comparators, over-temperature shutdown, soft-start time-out, adjustable isolated positive and negative output voltage, an enable pin, and an open-drain output power-good pin.
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Technical documentation
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Evaluation board
UCC14141EVM-068 — UCC14141-Q1 evaluation module for 1.5-W dual-output isolated DC/DC converter gate driver bias
The UCC14141-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 UCC14141EVM-068 EVM can operate from 8 VIN to 18 VIN and is configured for dual outputs of VDD = 18 V and VEE= -4 V. This EVM demonstrates typical (...)
| Package | Pins | Download |
|---|---|---|
| SO-MOD (DWN) | 36 | View options |
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