TPS65020 - 6 通道电源管理 IC (PMIC)，具有 3 个 DC/DC、3 个 LDO 以及 I2C 接口和动态电压调节功能

TPS65020是TI德州仪器公司的一款无产品，TPS65020是6 通道电源管理 IC (PMIC)，具有 3 个 DC/DC、3 个 LDO 以及 I2C 接口和动态电压调节功能，本站介绍了TPS65020的封装应用图解、特点和优点、功能等，并给出了与TPS65020相关的TI元器件型号供参考。

TPS65020 - 6 通道电源管理 IC (PMIC)，具有 3 个 DC/DC、3 个 LDO 以及 I2C 接口和动态电压调节功能 - 无 - 电源管理多通道IC(PMIC)解决方案 - 德州仪器

产品描述

The TPS65020 is an integrated Power Management IC for applications powered by one Li-Ion or Li-Polymer cell, and which require multiple power rails. The TPS65020 provides three highly efficient, step-down converters targeted at providing the core voltage, peripheral, I/O and memory rails in a processor based system. All three step-down converters enter a low-power mode at light load for maximum efficiency across the widest possible range of load currents. The TPS65020 also integrates two 200-mA LDO voltage regulators, which are enabled with an external input pin. 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. The two 200-mA LDO voltage regulators are intended for use with the SDRAM and PLL power supply in a Intel PXA270 based system. The serial interface is used for dynamic voltage scaling of the core voltage, masking interrupts, or for dis/enabling and setting the LDO output voltages. The interface is compatible with the Fast/Standard mode I2C™ specification, allowing transfers at up to 400 kHz.

The TPS65020 incorporates a push button debounced input and latched output for implementation of a push-button turn-on feature, typically required in smartphones or wireless PDAs.

产品特性

1.2 A, 97% Efficient Step-Down Converter for System Voltage (VDCDC1)
1 A, Up to 95% Efficient Step-Down Converter for Memory Voltage (VDCDC2)
800 mA, 90% Efficient Step-Down Converter for Processor Core (VDCDC3)
20 mA LDO/Switch for Real Time Clock (VRTC)
2 × 200 mA LDO for SRAM and PLL
Dynamic Voltage Management for Processor Core
Externally Adjustable Reset Delay Time
Battery Backup Functionality
Separate Enable Pins for Inductive Converters
I2C Compatible Serial Interface
85-µA Quiescent Current
Low Ripple PFM Mode
Thermal Shutdown Protection
Push Button I/O

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