TPS65053中文资料具有 2 个直流/直流转换器和 3 个 LDO 的可配置集成电源管理 (PMIC)数据手册TI规格书

描述 Description

The TPS6505xx family of devices are integrated power management ICs for applications powered by one Li-Ion or Li-Polymer cell, which require multiple power rails. The TPS6505xx devices provide two highly efficient, 2.25-MHz step-down converters targeted at providing the core voltage and I/O voltage in a processor-based system. Both step-down converters enter a low power mode at light load for maximum efficiency across the widest possible range of load currents. For low noise applications the devices can be forced into fixed frequency PWM mode by pulling the MODE pin high. The TPS6505xx devices also integrate one 400-mA LDO and two 200-mA LDO voltage regulators. Each LDO operates with an input voltage range between 1.5 V and 6.5 V allowing them to be supplied from one of the step-down converters or directly from the main battery.

特性 Features

• Up To 95% Efficiency
• TPS65053: DCDC1 = 1 A; DCDC2 = 0.6 A
• TPS65058: DCDC1 = 0.6 A; DCDC2 = 1 A
• TPS65053, TPS650531, TPS650532: DC-DC Converters Externally Adjustable
• VIN Range for DC-DC Converters From 2.5 V to 6 V
• Power Save Mode at Light Load Current
• Output Voltage Accuracy in PWM Mode ±1%
• 100% Duty Cycle for Lowest Dropout
• Two General-Purpose 200-mA LDOs
• Output Voltage for LDOs:
• TPS65058: VLDO1 = 3.3 V, VLDO2 selectable between 1.8V and 1.2V, VLDO2 selectable between 1.8V and 1.3V