UCC27284-Q1
3-A-, 120-V-Halbbrücken-Gate-Treiber mit 5-V-UVLO, für Fahrzeuganwendungen
UCC27284-Q1
- AEC-Q100 qualified with following results
- Temperature grade 1 (Tj = –40°C to 150°C)
- Device HBM ESD classification level 1B
- Device CDM ESD classification level C3
- Drives two N-channel MOSFETs in high-side low-side configuration
- 5-V typical undervoltage lockout
- 16-ns typical propagation delay
- 12-ns rise, 10-ns fall time with 1.8-nF load
- 1-ns typical delay matching
- 5-V negative voltage handling on inputs
- 14-V negative voltage handling on HS
- ±3-A peak output current
- Absolute maximum boot voltage 120 V
- Integrated bootstrap diode
The UCC27284 -Q1 is a robust N-channel MOSFET driver with a maximum switch node (HS) voltage rating of 100 V. It allows for two N-channel MOSFETs to be controlled in half-bridge or synchronous buck configuration-based topologies. Its 3-A peak source and sink current along with low pull-up and pull-down resistance allows the UCC27284 -Q1 to drive large power MOSFETs with minimum switching losses during the transition of the MOSFET Miller plateau. Since the inputs are independent of the supply voltage, UCC27284 -Q1 can be used in conjunction with both analog and digital controllers. Two inputs, and therefore outputs, can be overlapped, if needed, in applications such as secondary side full-bridge synchronous rectification.
The input pins as well as the HS pin are able to tolerate significant negative voltage, which improves system robustness. 5-V UVLO allows systems to operate at lower bias voltages, which is necessary in many high frequency applications and improves system efficiency in certain operating modes. Small propagation delay and delay matching specifications minimize the dead-time requirement which further improves efficiency.
Undervoltage lockout (UVLO) is provided for both the high-side and low-side driver stages forcing the outputs low if the VDD voltage is below the specified threshold. An integrated bootstrap diode eliminates the need for an external discrete diode in many applications, which saves board space and reduces system cost. UCC27284-Q1 is offered in SOIC package for harsh system environments.
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Technische Dokumentation
Typ | Titel | Datum | ||
---|---|---|---|---|
* | Data sheet | UCC27284-Q1Automotive 3-A 120-V Half-Bridge Driver with Negative Voltage Handling and Low Switching Losses datasheet (Rev. B) | PDF | HTML | 27 Mai 2022 |
Application note | Challenges and Solutions for Half-Bridge Gate Drivers in Bidirectional DC-DC Converters | PDF | HTML | 24 Jan 2024 | |
Functional safety information | UCC27282-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA (Rev. B) | PDF | HTML | 14 Nov 2022 | |
Application note | Understanding and comparing peak current capability of gate drivers | PDF | HTML | 30 Mär 2021 | |
More literature | Troubleshooting gate drive circuits in automotive and industrial applications | 23 Mär 2021 | ||
Application note | Implementing High-Side Switches Using Half-Bridge Gate Drivers for 48-V Battery. | 12 Mai 2020 |
Design und Entwicklung
Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.
UCC27282EVM-335 — UCC27282 120-V-, 3-A-, 5-V-UVLO-Highside-Lowside-Gate-Treiber – Evaluierungsmodul
PSPICE-FOR-TI — PSpice® für TI Design-und Simulationstool
Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
---|---|---|
SOIC (D) | 8 | Ultra Librarian |
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