TPS63000-Q1 - 采用 3x3 QFN 封装，具有 1.8A 电流开关的汽车类 96% 升压降压转换器

TPS63000-Q1是TI德州仪器公司的一款转换器（集成开关）产品，TPS63000-Q1是采用 3x3 QFN 封装，具有 1.8A 电流开关的汽车类 96% 升压降压转换器，本站介绍了TPS63000-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS63000-Q1相关的TI元器件型号供参考。

TPS63000-Q1 - 采用 3x3 QFN 封装，具有 1.8A 电流开关的汽车类 96% 升压降压转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品描述

The TPS63000 devices provide a power supply solution for products powered by either a two-cell or three-cell alkaline, NiCd or NiMH battery, or a one-cell Li-Ion or Li-polymer battery. Output currents can go as high as 1200 mA while using a single-cell Li-Ion or Li-Polymer battery, and discharge it down to 2.5 V or lower. The buck-boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters Power Save mode to maintain high efficiency over a wide load current range. The Power Save mode can be disabled, forcing the converter to operate at a fixed switching frequency. The maximum average current in the switches is limited to a typical value of 1800 mA. The output voltage is programmable using an external resistor divider. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery. The device is packaged in a 10-pin QFN PowerPAD package measuring 3 mm × 3 mm (DRC).

产品特性

Qualified for Automotive Applications
Up to 96% Efficiency
1200-mA Output Current at 3.3 V in Step Down Mode (VIN = 3.6 V to 5.5 V)
Up to 800-mA Output Current at 3.3 V in Boost Mode (VIN > 2.4 V)
Automatic Transition between Step Down and Boost Mode
Device Quiescent Current Less Than 50 µA
Input Voltage Range: 1.8 V to 5.5 V
Adjustable Output Voltage From 1.2 V to 5.5 V
Power Save Mode for Improved Efficiency at Low Output Power
Forced Fixed Frequency Operation and Synchronization Possible
Load Disconnect During Shutdown
Over-Temperature Protection
Available in Small 3 mm × 3 mm, QFN-10 Package
APPLICATIONS
- All Two-Cell and Three-Cell Alkaline, NiCd or NiMH or Single-Cell Li Battery Powered Products
- Portable Audio Players
- PDAs
- Cellular Phones
- Personal Medical Products
- White LEDs

PowerPAD Is a trademark of Texas Instruments. All other trademarks are the property of their respective owners.

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