TPS63002
- Input Voltage Range: 1.8 V to 5.5 V
- Fixed and Adjustable Output Voltage Options from 1.2 V to 5.5 V
- 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
- Power-Save Mode for Improved Efficiency at Low Output Power
- Forced Fixed Frequency Operation and Synchronization Possible
- Load Disconnect During Shutdown
- Overtemperature Protection
- Available in a Small 3-mm × 3-mm 10-Pin VSON Package (QFN)
All trademarks are the property of their respective owners.
The TPS6300x 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, 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 TPS6300x devices operate over a free air temperature range of –40°C to 85°C. The devices are packaged in a 10-pin VSON package (QFN) measuring 3 mm × 3 mm (DRC).
技术文档
| 类型 | 项目标题 | 下载最新的英语版本 | 日期 | |||
|---|---|---|---|---|---|---|
| * | 数据表 | TPS6300x High-Efficient Single Inductor Buck-Boost Converter With 1.8-A Switches 数据表 (Rev. C) | PDF | HTML | 2015年 10月 30日 | ||
| 应用手册 | 降低直流/直流降压/升压转换器辐射 EMI 的层设计 (Rev. A) | PDF | HTML | 下载英文版本 (Rev.A) | PDF | HTML | 2021年 7月 16日 | |
| 应用手册 | Performing Accurate PFM Mode Efficiency Measurements (Rev. A) | 2018年 12月 11日 | ||||
| 应用手册 | Understanding Undervoltage Lockout in Power Devices (Rev. A) | 2018年 9月 19日 | ||||
| 应用手册 | QFN and SON PCB Attachment (Rev. B) | PDF | HTML | 2018年 8月 24日 | |||
| 选择指南 | 电源管理指南 2018 (Rev. K) | 2018年 7月 31日 | ||||
| 应用手册 | Basic Calculations of a 4 Switch Buck-Boost Power Stage (Rev. B) | 2018年 7月 9日 | ||||
| 选择指南 | 电源管理指南 2018 (Rev. R) | 2018年 6月 25日 | ||||
| 模拟设计期刊 | IQ：它是什么、不是什么以及如何使用 | 下载英文版本 | 2011年 8月 17日 | |||
| 应用手册 | 最小化升压转换器开关节点处的振铃 | 下载英文版本 | 2008年 7月 15日 |
设计和开发
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TPS63000EVM-148 — TPS63000 5.5V 输入、3.3V 输出、1A 降压-升压转换器评估模块板
Evaluation Module Board for Buck-Boost Converter 5.5V Input, 3.3V Output, 1A
The TPS63000EVM-148 is an evaluation tool for the TPS63000 device family. It is a 96% efficient Buck/Boost Converter with an input range of 1.8 V to 5.5 V, optimized to run from a single-cell Li-Ion battery (...)
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| 封装 | 引脚数 | 下载 |
|---|---|---|
| VSON (DRC) | 10 | 了解详情 |
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