TPS61251 Overview
The TPS61251 device provides a power supply solution for products powered by either a three-cell, NiCd or NiMH battery, or a one-cell Li-Ion or Lipolymer battery. The wide input voltage range is ideal to power portable applications like mobile phones, solid state drives (SSD) and wireless modems. The converter is designed to charge large capacitors in the Farad range to support battery back up applications.
TPS61251 Key Features
- 1 Resistor Programmable Input Current Limit
- ±10% Current accuracy at 500 mA over full temperature range
- Programmable from 100 mA up to 1500 mA
- Snooze mode draws only 2 μA (typical) quiescent
- Designed to charge large capacitor values in the
- Up to 92% Efficiency
- Power good indicates appropriate output voltage
- VIN range from 2.3 V to 6 V
- Adjustable output voltage up to 6.5 V
- 100% Duty-cycle mode when VIN > VOUT
TPS61251 Applications
- Current limited applications with high peak power loads (SSD, PCMCIA Tx bursts, memory, GPRS/GSM Tx)