TPS544B28
- 4V to 16V input voltage range without external bias
- 2.7V to 16V input voltage range with external bias
- 3.1V to 4.3V external VCC bias support
- 8.4mΩ and 3.3mΩ MOSFETs (VVCC = 3.3V)
- 20A continuous output current
- Optimized 19-pin WQFN-HR package for efficiency and thermal performance
- ±1.25% output voltage accuracy with internal feedback, TJ = –40°C to +150°C
- 0.4V to 5.5V output voltage range
- Differential remote sense
- D-CAP4 with ultra-fast load-step response
- User programmable NVM
- Supports all ceramic output capacitors
- Selectable auto-skip Eco-mode for high light-load efficiency
- Programmable valley current limit
- 500kHz, 600kHz, 800kHz, 1.0MHz, 1.2MHz, 1.4MHz selectable switching frequency
- Programmable soft-start time
- Prebiased start-up capability
- Open-drain power-good output
- Overvoltage and undervoltage fault protection
- 3mm × 3mm (0.4mm pin pitch) and 3mm × 3.5mm (0.5 pin pitch) 19-pin QFN packages
- Pin-to-pin compatible with 12A TPS544A28 and 6A TPS544628
The TPS544B28 device is a small, high-efficiency, synchronous buck converter with an adaptive on-time D-CAP4 control mode. The control method provides low minimum on-time and fast load-transient response across the entire output voltage range without requiring an external compensation network.
The TPS544B28 device has differential remote sense, high-performance integrated MOSFETs, and supports ±1.25% output voltage accuracy with internal reference. The device features accurate load and line regulation and Eco-mode or Forced Continuous Conduction Mode (FCCM) operation.
The PMBus interface with 1MHz clock support gives a convenient, standardized digital interface for device configuration as well as output voltage, output current, and die temperature telemetry. Pin strap options allow for the configuration of the overcurrent limit, fault response, internal or external feedback, output voltage selection, switching frequency, and compensation. Internal NVM is also available to store a variety of the PMBus parameters.
The TPS544B28 device is a lead-free device. The device is RoHS compliant without exemption.
技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 日期 |
|---|---|---|---|---|
| * | Data sheet | TPS544B28 4V to 16V Input, 20A , Remote Sense Synchronous Buck Converter With PMBus® datasheet | PDF | HTML | 2026年 1月 30日 |
| EVM User's guide | TPS544B28RBH Step-Down Converter Evaluation Module | PDF | HTML | 2025年 6月 16日 | |
| EVM User's guide | TPS544B28VAN Step-Down Converter Evaluation Module | PDF | HTML | 2025年 6月 11日 | |
| Certificate | TPS544B28EVM Declaration of Conformity (DoC) (Rev. A) | 2025年 1月 24日 | ||
| Certificate | TPS544B28RBHEVM EU Declaration of Conformity (DoC) (Rev. A) | 2025年 1月 24日 |
設計與開發
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| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| WQFN-HR (VAN) | 19 | Ultra Librarian |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中的可靠性監測
- 晶圓廠位置
- 組裝地點