The TPS6102x family of devices provide a power supply solution for products powered by either a one-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery. Output currents can go as high as 200 mA while using a single-cell alkaline battery, and discharge it down to 0.9 V. The device can also be used for generating 5 V at 500 mA from a 3.3-V rail or a Li-Ion battery. The boost converter is based on a fixed-frequency, pulse width modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. At low load currents the converter enters the power save mode to maintain a 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 peak current in the boost switch is limited to a value of 800 mA, 1500 mA, or 1800 mA depending on the version of the device.

The TPS6102x devices keep the output voltage regulated even when the input voltage exceeds the nominal output voltage. The output voltage can be programmed by 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 completely disconnected from the battery. A low-EMI mode is implemented to reduce ringing and, in effect, lower radiated electromagnetic energy when the converter enters the discontinuous conduction mode. The device is packaged in a 10-pin VSON PowerPAD package measuring 3 mm x 3 mm (DRC).

• 96% Efficient Synchronous Boost Converter
• Output Voltage Remains Regulated When Input Voltage Exceeds Nominal Output Voltage
• Device Quiescent Current: 25 μA (Typ)
• Input Voltage Range: 0.9 V to 6.5 V
• Fixed and Adjustable Output Voltage Options Up to 5.5 V
• Power Save Mode for Improved Efficiency at Low Output Power
• Low Battery Comparator
• Low EMI-Converter (Integrated Anti-ringing Switch)
• Load Disconnect During Shutdown
• Overtemperature Protection
• Small 3-mm × 3-mm VSON-10 Package

• Vin (Min) (V)
• 0.9
• Vin (Max) (V)
• 6.5
• Vout (Min) (V)
• 3.3
• Vout (Max) (V)
• 3.3
• Switch current limit (Typ) (A)
• 1.5
• Regulated outputs (#)
• 1
• Switching frequency (Min) (kHz)
• 480
• Switching frequency (Max) (kHz)
• 720
• Iq (Typ) (mA)
• 0.025
• Features
• Synchronous Rectification
• Duty cycle (Max) (%)
• 100
• Rating
• Catalog

TPS61025的完整型号有：TPS61025DRCR，以下是这些产品的关键参数及官网采购报价：

TPS61025DRCR，工作温度：-40 to 85，封装：VSON (DRC)-10，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPS61025DRCR的批量USD价格：.774（1000+）

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