TPS630242 - 高效 1.5A 单电感降压/升压转换器

TPS630242是TI德州仪器公司的一款转换器（集成开关）产品，TPS630242是高效 1.5A 单电感降压/升压转换器，本站介绍了TPS630242的封装应用图解、特点和优点、功能等，并给出了与TPS630242相关的TI元器件型号供参考。

TPS630242 - 高效 1.5A 单电感降压/升压转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品特性

Real Buck or Boost operation with automatic and seamless transition between Buck and Boost operation
2.3V to 5.5V input voltage range
1.5A Continuous Output Current : VIN≥ 2.5V, VOUT= 3.3V
Adjustable and fixed output voltage
Efficiency up to 95% in Buck or Boost mode and up to 97% when VIN=VOUT
2.5MHz typical switching frequency
35μA operating quiescent current
Integrated Soft –Start
Power Save Mode
True shutdown function
Output capacitor discharge function
Over-Temperature Protection and Over current Protection
Wide capacitance selection
Small 1.766 mm x 2.086mm, 20-pin WCSP

产品应用

Cellular Phones, Smart Phones
Tablets PC
PC and Smart Phone accessories
Point of load regulation
Battery Powered Applications

产品说明

The TPS63024 are high efficiency, low quiescent current buck-boost converters suitable for application where the input voltage is higher or lower than the output. Output currents can go as high as 1.5A in boost mode and as high as 3A in buck mode. The maximum average current in the switches is limited to a typical value of 3A. The TPS63024 regulates the output voltage over the complete input voltage range by automatically switching between buck or boost mode depending on the input voltage ensuring a seamless transition between modes. The buck-boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using synchronous rectification to obtain highest efficiency. At low load currents, the converter enters Power Save Mode to maintain high efficiency over the complete load current range. There is a PFM/PWM pin that allows the user to choose between automatic PFM/PWM mode operation and forced PWM operation. During PWM mode a fixed-frequency of typically 2.5MHz is used. The output voltage is programmable using an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery. The device is packaged in a 20-pin WCSP package measuring 1.766 mm x 2.086mm.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS63024	DSBGA (20)	1.766 mm × 2.086 mm
TPS630241
TPS630242

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