TPS61251
TPS61251 is Boost Converter manufactured by Texas Instruments.
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SLVSAF7C
- SEPTEMBER 2010
- REVISED APRIL 2019
TPS61251 Boost Converter for Battery Backup Charging With Adjustable Constant Current and Snooze Mode
1 Features
- 1 Resistor Programmable Input Current Limit
- ±10% Current accuracy at 500 m A over full temperature range
- Programmable from 100 m A up to 1500 m A
- Snooze mode draws only 2 μA (typical) quiescent current
- Designed to charge large capacitor values in the
Farad range
- Up to 92% Efficiency
- Power good indicates appropriate output voltage level even in shutdown
- VIN range from 2.3 V to 6 V
- Adjustable output voltage up to 6.5 V
- 100% Duty-cycle mode when VIN > VOUT
- Load disconnect and reverse current protection
- Short-circuit protection
- Typical operating frequency 3.5 MHz
- Available in a 2 × 2-mm WSON-8 package
- Create a custom design using the TPS61251 with the WEBENCH® Power Designer
2 Applications
- Current limited applications with high peak power loads (SSD, PCMCIA Tx bursts, memory, GPRS/GSM Tx)
- Li-Ion applications
- Battery backup...
