TPS28226
- Drives Two N-Channel MOSFETs with 14-ns Adaptive Dead Time
- Wide Gate Drive Voltage: 4.5 V Up to 8.8 V With Best Efficiency at 7 V to 8 V
- Wide Power System Train Input Voltage: 3 V Up to 27 V
- Wide Input PWM Signals: 2.0 V up to 13.2-V Amplitude
- Capable to Drive MOSFETs with ≥40-A Current per Phase
- High Frequency Operation: 14-ns Propagation Delay and 10-ns Rise/Fall Time Allow FSW – 2 MHz
- Capable to Propagate <30-ns Input PWM Pulses
- Low-Side Driver Sink On-Resistance (0.4 Ω) Prevents dV/dT Related Shoot-Through Current
- 3-State PWM Input for Power Stage Shutdown
- Space Saving Enable (Input) and Power Good (Output) Signals on Same Pin
- Thermal Shutdown
- UVLO Protection
- Internal Bootstrap Diode
- Economical SOIC-8 and Thermally Enhanced 3-mm x 3-mm DFN-8 Packages
- High Performance Replacement for Popular 3-State Input Drivers
The is a high-speed driver for N-channel complimentary driven power MOSFETs with adaptive dead-time control. This driver is optimized for use in variety of high-current one and multi-phase DC-to-DC converters. The is a solution that provides high efficiency, small size and low EMI emissions.
The efficiency is achieved by up to 8.8-V gate drive voltage, 14-ns adaptive dead-time control, 14-ns propagation delays and high-current 2-A source and 4-A sink drive capability. The 0.4-Ω impedance for the lower gate driver holds the gate of power MOSFET below its threshold and ensures no shoot-through current at high dV/dt phase node transitions. The bootstrap capacitor charged by an internal diode allows use of N-channel MOSFETs in a half-bridge configuration.
관심 가지실만한 유사 제품
다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능
기술 자료
| 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | TPS28226 High-Frequency 4-A Sink Synchronous MOSFET Drivers datasheet (Rev. A) | PDF | HTML | 2014/11/26 |
| Application note | Using Half-Bridge Gate Driver to Achieve 100% Duty Cycle for High Side FET | PDF | HTML | 2024/03/25 | |
| Application note | Bootstrap Circuitry Selection for Half Bridge Configurations (Rev. A) | PDF | HTML | 2023/09/08 | |
| Application note | Comparative Analysis of Two Different Methods for Gate-Drive Current Boosting (Rev. A) | PDF | HTML | 2022/02/17 | |
| Application brief | External Gate Resistor Selection Guide (Rev. A) | 2020/02/28 | ||
| Application brief | Understanding Peak IOH and IOL Currents (Rev. A) | 2020/02/28 | ||
| More literature | Fundamentals of MOSFET and IGBT Gate Driver Circuits (Replaces SLUP169) (Rev. A) | 2018/10/29 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 2018/06/25 | ||
| More literature | Power Loss Calculation for Sync Buck Converter | 2007/02/14 |
설계 및 개발
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| 패키지 | 핀 | CAD 기호, 풋프린트 및 3D 모델 |
|---|---|---|
| SOIC (D) | 8 | Ultra Librarian |
| VSON (DRB) | 8 | Ultra Librarian |
주문 및 품질
- RoHS
- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
- 팹 위치
- 조립 위치
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