TPSM8287Axx 是具有差分遥感和 I 2C 接口的引脚对引脚直流/直流降压电源模块系列。该电源模块集成了同步降压转换器、电感器和输入电容,可简化设计、减少外部元件并节省印刷电路板 (PCB) 面积。该设计采用紧凑的薄型封装,旨在通过标准表面贴装设备进行组装。TPSM8287Axx 系列实现了可支持快速瞬变的增强型控制方案。TPSM8287Axx 可以在固定频率或省电模式下工作。遥感功能可优化负载点的电压调节,并且该器件可在整个温度范围内实现 ±0.8% 的直流电压精度。这些器件可在堆叠、并联模式下运行,以提供更高的输出电流或将功耗分散到多个器件上。I 2C 兼容接口提供多种控制、监控和警告功能。可通过 VSETx 引脚选择启动电压,以便在没有实际 I 2C 通信的情况下实现上电。
无键合线封装
| Iout (max) (A) | 12 |
| Vin (min) (V) | 2.7 |
| Vin (max) (V) | 6 |
| Vout (min) (V) | 0.4 |
| Vout (max) (V) | 3.35 |
| Soft start | Adjustable |
| EMI features | Integrated capacitors, Low parasitic Hotrod packaging, Spread Spectrum |
| Features | Adjustable soft start, Current Sharing, Differential Remote Sense, Differential Voltage sensing, EMI Tested, Enable, Frequency Dithering, Frequency synchronization, I2C, I2C bus interface, I2C control, I2C control method, I2C interface, I2C or GPIO control, I2C support, I2C/PMBus, Light Load Efficiency, Output discharge, Overcurrent protection, Power good, Remote Sense, Remote Sensing, Spread-spectrum frequency dithering |
| Operating temperature range (°C) | -40 to 125 |
| Iq (typ) (mA) | 1.75 |
| Regulated outputs (#) | 1 |
| Switching frequency (max) (kHz) | 2700 |
| Switching frequency (min) (kHz) | 1300 |
| Duty cycle (max) (%) | 75 |
| Topology | Buck, Step-Down Converter, Synchronous Buck |
| Type | Converter (Integrated Switch), Module |
| Rating | Catalog |
| Control mode | COT, Constant on-time (COT), DCS-Control |
| B0QFN (RDV) | 39 | 30.6 mm² 4.5 x 6.8 |
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