TC1303A-ZP0EUN

Voltage/Current - Output 3:	--
Base Part Number:	TC1303A
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	2.7 V ~ 5.5 V
w/Sequencer:	Yes
w/Supervisor:	No
w/LED Driver:	No
Series:	--
Voltage/Current - Output 2:	1.8V, 300mA
Voltage/Current - Output 1:	Adj, 500mA
Frequency - Switching:	2MHz
Number of Outputs:	2
Function:	Any Function
Topology:	Step-Down (Buck) Synchronous (1), Linear (LDO) (1)
Part Status:	Active
Packaging:	Tube

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TC1303A-ZP0EUN Application Field and Working Principle

Introduction

The TC1303A-ZP0EUN is a highly integrated power management integrated circuit (PMIC) designed for low-power applications that require highly efficient voltage regulation. It belongs to the family of linear + switching type voltage regulators. This regulator can provide a voltage output regulation that is suitable for battery-powered and low-power applications that make use of Standard Double-Data-Rate (DDR) Memory or other similar low-power devices.

Application Field

The TC1303A-ZP0EUN can be used in a variety of applications including cell phone, smart card, personal digital assistants (PDAs), digital cameras, digital music players, smart watches, and many other embedded devices. The TC1303A-ZP0EUN features a single multi-mode switching buck-boost regulator, with two 0.6mA low-dropout (LDO) linear regulators and two 2A/2.8A peak currents. This PMIC is designed for low-power applications with standard DDR memory and other low-power devices. The TC1303A-ZP0EUN is manufactured in the TSMC 40nm process technology, providing better thermal performance, improved efficiency and a lower bill-of-materials (BoM) cost.

Working Principle

The TC1303A-ZP0EUN is designed to work with a high-performance Arm® Cortex™ Processor and high-density DRAM. The internal architecture of the TC1303A-ZP0EUN allows for current sharing, providing a maximum of 1A current output and 2A/2.8A peak forward current. It features an I2C based adaptive voltage scaling (found in VCMEA) to provide dynamically scalable and adjustable voltage solutions. The PMIC has an integrated ultra-low-noise low-dropout (ULN-LDO) regulator, which can provide a steady voltage output with low ripple and fast response time. The TC1303A-ZP0EUN also has a separated input and output mux, allowing the PMIC to be connected to both an external buck converter and an internal voltage LDO, making it ideal for multi-rail systems.The TC1303A-ZP0EUN operates in either normal or standby mode. In the normal mode, all regulators are enabled, providing the desired output voltage. On power-down, the TC1303A-ZP0EUN automatically enters the standby mode and reduces the current drawn to less than 0.25uA. The PMIC also provides output status feedback and programmable polarity inversion, allowing the device to be used in a variety of application settings.

Conclusion

The TC1303A-ZP0EUN is a highly integrated PMIC that is suitable for low-power applications and makes use of Standard Double-Data-Rate (DDR) Memory or other similar low-power devices. It has a single multi-mode switching buck-boost regulator, two 0.6mA low-dropout (LDO) linear regulators and two 2A/2.8A peak current outputs. It features I2C based voltage scaling, ultra-low noise LDO, separated input and output mux, and standby and normal modes. The TC1303A-ZP0EUN is the perfect choice for low-power applications with standard DDR memory.

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