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RFQ ListingPower Management ICs
UCC25800AQDGNRQ1 is a TI AEC-Q100 Grade 1 open-loop LLC (half-bridge) transformer driver for isolated bias supplies, operating from 9 V to 34 V and delivering up to 9 W from 34 V (6 W at 24 V, 4 W at 15 V). Programmable 100 kHz to 1.2 MHz switching, automatic dead time, SYNC input and ultra-low-EMI transformer pairing suit EV traction inverters and OBC gate-driver bias rails. 8-pin HVSSOP (DGN, 3 × 3 mm).
ManufacturerTexas Instruments
PackageHVSSOP (DGN), 8-pin, 3.00 × 3.00 mm
SeriesUCC25800-Q1
Power IC Specifications
| Parameter | Value / Specification |
|---|---|
| Function / Topology | Open-loop LLC (half-bridge) transformer driver with integrated switching power stage for isolated bias supplies |
| Input Voltage | 9 V to 34 V wide input range |
| Output Voltage / Current | Up to 9 W from 34 V input (6 W at 24 V, 4 W at 15 V); internal FETs rated 500 mA RMS / 1 A peak; +/-5% regulation above 10% load |
| Switching Frequency | Programmable 100 kHz to 1.2 MHz with external SYNC input |
| Dead Time | Automatic dead-time adjustment with programmable maximum dead time |
| EMI Performance | Ultra-low EMI design for use with low interwinding-capacitance transformers |
| Protection | UVLO, programmable OCP, input OVP, thermal shutdown, 1.5 ms soft-start, external disable with fault-code output |
| Qualification | AEC-Q100 Grade 1, functional-safety-capable |
| Package / Case | HVSSOP (DGN), 8-pin, 3.00 × 3.00 mm |
Power Features & Applications
- Open-loop LLC half-bridge driver for low-EMI isolated bias
- 9 V to 34 V input with up to 9 W output capability
- 100 kHz to 1.2 MHz programmable switching shrinks transformers
- Automatic dead time plus external clock synchronization
- UVLO, OCP, OVP, TSD and fault-code reporting protections
- AEC-Q100 Grade 1 and functional-safety-capable for EV systems
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