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Texas Instruments TPS25850-Q1
CISPR 25 Class 5 400-kHz-rated 30-W automotive dual USB Type-C® charger reference design
Overview
| Topology | Buck Converter |
| Input voltage | 6-16 V |
| Output 1 | 5.17 V / 3 A |
| IC revision | 001 |
Description
This reference design is an EMI-optimized design for automotive USB Type-C® charger with dual 15W output. The TPS25850-Q1 is used as DC-DC regulator and port controller. The switching frequency is 400kHz, The front-end filter is designed and PCB layout is optimized to pass stringent CISPR 25 Class 5 Conducted Electromagnetic Interference (EMI) standards. This reference design has already been tested to CISPR 25 Class 5 conducted EMI standards, which accelerates customer design time.
Features
- Pass stringent CISPR 25 Class 5 Conducted Electromagnetic Interference (EMI) standards
- 96.12% peak efficiency
- Dual USB Type-C® charger
Typical applications
- Aftermarket head unit
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | Interface Type | Gender | Pins | Mount | PCB Thickness(mm) | IR(mA) | Working Voltage(V (DC)) | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(mA) | RDC max.(Ω) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 16 V(DC), 2.2 µF, ±20% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | Capacitance2.2 µF | Capacitance±20% | Rated Voltage16 V (DC) | Size0603 | Operating Temperature -55 °C up to +85 °C | Dissipation Factor10 % | Insulation Resistance0.05 GΩ | Ceramic TypeX5R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WE-CBF SMT EMI Suppression Ferrite Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | Size1812 | Operating Temperature -55 °C up to +125 °C | – | – | – | Length4.5 mm | Width3.2 mm | Height1.5 mm | Pad Dimension0.5 mm | – | – | – | – | MountSMT | – | Rated Current3000 mA | – | Impedance @ 100 MHz880 Ω | Maximum Impedance940 Ω | Maximum Impedance108 MHz | Rated Current 24000 mA | DC Resistance0.035 Ω | TypeHigh Current | ||||
 | WR-USB Type C Connectors, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Type C Connectors | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | – | – | – | – | PackagingTape and Reel | Interface TypeType C | GenderReceptacle | Pins24 | MountTHR | PCB Thickness1.6 mm | Rated Current5000 mA | Working Voltage48 V (DC) | – | – | – | – | – | TypeHorizontal |