TPS61222-EP

ACTIVE

0.7-VIN, 5-V fixed output voltage boost converter with 5.5-μA quiescent current

Product details

Rating HiRel Enhanced Product Operating temperature range (°C) -55 to 145 Topology Boost Type Converter Vin (min) (V) 0.7 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 2000 Features Synchronous Rectification Vout (min) (V) 4.8 Vout (max) (V) 5.19 Iq (typ) (µA) 5 Duty cycle (max) (%) 90
Rating HiRel Enhanced Product Operating temperature range (°C) -55 to 145 Topology Boost Type Converter Vin (min) (V) 0.7 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 2000 Features Synchronous Rectification Vout (min) (V) 4.8 Vout (max) (V) 5.19 Iq (typ) (µA) 5 Duty cycle (max) (%) 90
SOT-SC70 (DCK) 6 4.2 mm² 2 x 2.1
  • Up to 95% Efficiency at Typical Operating Conditions
  • 5.5 µA Quiescent Current
  • Startup Into Load at 0.7 V Input Voltage
  • Operating Input Voltage from 0.7 V to 5.5 V
  • Pass-Through Function During Shutdown
  • Minimum Switching Current 200 mA
  • Protections:
    • Output Overvoltage
    • Overtemperature
    • Input Undervoltage Lockout
  • Fixed Output Voltage Versions
  • Small 6-Pin SC-70 Package
  • Up to 95% Efficiency at Typical Operating Conditions
  • 5.5 µA Quiescent Current
  • Startup Into Load at 0.7 V Input Voltage
  • Operating Input Voltage from 0.7 V to 5.5 V
  • Pass-Through Function During Shutdown
  • Minimum Switching Current 200 mA
  • Protections:
    • Output Overvoltage
    • Overtemperature
    • Input Undervoltage Lockout
  • Fixed Output Voltage Versions
  • Small 6-Pin SC-70 Package

The TPS61222 provides a power-supply solution for products powered by either a single-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery. Possible output currents depend on the input-to-output voltage ratio. The boost converter is based on a hysteretic controller topology using synchronous rectification to obtain maximum efficiency at minimal quiescent currents. The output voltage of the adjustable version can be programmed by an external resistor divider, or is set internally to a fixed output voltage. The converter can be switched off by a featured enable pin. While being switched off, battery drain is minimized. The device is offered in a 6-pin SC-70 package (DCK) measuring 2 mm × 2 mm to enable small circuit layout size.

The TPS61222 provides a power-supply solution for products powered by either a single-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-Ion or Li-polymer battery. Possible output currents depend on the input-to-output voltage ratio. The boost converter is based on a hysteretic controller topology using synchronous rectification to obtain maximum efficiency at minimal quiescent currents. The output voltage of the adjustable version can be programmed by an external resistor divider, or is set internally to a fixed output voltage. The converter can be switched off by a featured enable pin. While being switched off, battery drain is minimized. The device is offered in a 6-pin SC-70 package (DCK) measuring 2 mm × 2 mm to enable small circuit layout size.

Download View video with transcript Video

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 5
Type Title Date
* Data sheet Low Input Voltage, 0.7V, Boost Converter With 5.5μA Quiescent Current . datasheet 25 Sep 2012
* VID TPS61222-EP VID V6212603 21 Jun 2016
* Radiation & reliability report TPS61222MDCKTEP Reliabilty Report 09 Feb 2016
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 30 Apr 2024
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dec 2018

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS61220EVM-319 — TPS61220EVM-319 Evaluation Module

The TPS61220EVM-319 facilitates evaluation of the TPS61220 low input voltage boost converter.

User guide: PDF
Not available on TI.com
Package Pins CAD symbols, footprints & 3D models
SOT-SC70 (DCK) 6 Ultra Librarian

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos