TI TPS65219 ARM Cortex-A53处理器和FPGA功率管理方案
TI公司的TPS65219 是设计用于给手持和固定设施应用的各种SoC供电的功率管理集成电路(PMIC),工作环节温度–40°C到 +105°C,非常适合各种工业应用.器件包括三个同步降压DC/DC转换器和四个线性稳压器.DC/DC转换器具有1x 3.5 A 和2x 2 A,需要小型470 nH 电感, 4.7 μF输入电容,以及每个轨根据配置最低限度30 μF输出电容.两个LDO支持输出电流400mA,输出电压范围从0.6V到3.4V.这些LDO还支持旁路模式,用做负载开关,允许在工作时电压改变.其它两个LDO支持输出电流300mA,输出电压范围从1.2V到3.3V.器件还支持负载开关模式.I2C接口,IO,GPIO和多功能引脚(MFP)能无缝地接口到各种的SoC. EEPROM 可编程性.主要用在低功耗工业MPU如AM62x, AM64x;HMI,PLC,工业PC,建筑物安保,HVAC,视频监视,数据集中器和智能仪表,保护继电器以及病人监护和诊断,图像等.本文介绍了TPS65219主要特性, 功能框图以及评估模块TPS65219EVM主要特性, 默认配置图和测试点图,电路图,材料清单和PCB设图.
The TPS65219 is a Power Management IC (PMIC) designed to supply a wide range of SoCs in both portable and stationary applications. The device is characterized across an ambient temperature range of –40°C to +105°C, making it suitable for various industrial applications. The device includes three synchronous stepdown DC-DC converters and four linear regulators.
The DC-DC converters are capable of 1x 3.5 A and 2x 2 A. They require a small 470 nH inductor, 4.7 μF input capacitance, and - depending on configuration -minimum 30 μF output capacitance per rail.
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