TPS63070 Buck-Boost Converter

Texas Instruments Power_Management — specifications, applications, sourcing support and RFQ.

TPS63070 Buck-Boost Converter

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Part Number
TPS63070
Manufacturer
Texas Instruments
Package
VQFN, 2.5 mm x 3 mm nominal body
Category
Power Management
Product Type
LDO Regulator

Quick Sourcing Note

TPS63070 from Texas Instruments is a Power_Management buck-boost converter in a VQFN package with a 2.5 mm x 3 mm nominal body. The device supports a 2.0 to 16 V input voltage range and an adjustable 2.5 to 9 V output voltage range. Key parameters include a 3.6 A switch current rating, up to 95% efficiency, 2 A output current capability in buck mode, and 2 A boost-mode output current at VIN=4 V and VOUT=5 V. The converter operates with a 2.4 MHz switching frequency and has 50 uA typical quiescent current. It is suited to regulated buck-boost power rails where input voltage may be above, below, or near the output.

Specifications

TypeDescription
Part NumberTPS63070
ManufacturerTexas Instruments
Product TypeLDO Regulator
CategoryPower Management
Component TypePower_IC
Package CaseVQFN, 2.5 mm x 3 mm nominal body
Input Voltage Range2.0 to 16 V
Output Voltage Range2.5 to 9 V
Switch Current3.6 A
EfficiencyUp to 95%
Output Current, Buck Mode2 A
Output Current, Boost Mode2 A; VIN=4 V, VOUT=5 V
Quiescent Current50 uA typical
Switching Frequency2.4 MHz
PackageVQFN, 2.5 mm x 3 mm
Output Discharge OptionOff
Output Voltage TypeAdjustable
Marking3070
Output Discharge Option, TPS630701Off
Output Voltage, TPS630701Fixed 5 V
Output Discharge Option, TPS630702On
Output Voltage, TPS630702Adjustable
Absolute Maximum Voltage, VIN/PS/SYNC/EN/VSEL-0.3 to 20 V
Absolute Maximum Voltage, L1-0.3 to 20 V
Absolute Maximum Voltage, L1 Transient-3 to 25 V; t < 10 ns, while switching
Absolute Maximum Voltage, L2/PG/VOUT/FB-0.3 to 12 V
Absolute Maximum Voltage, L2 Transient-3 to 15 V; t < 10 ns, while switching
Absolute Maximum Voltage, AUX-0.3 to 7 V
Absolute Maximum Voltage, FB2-0.3 to 3 V
Operating Junction Temperature, Absolute Maximum-40 to 150 °C
Storage Temperature Range-65 to 150 °C
ESD Rating, HBM±2000 V; ANSI/ESDA/JEDEC JS-001, all pins
ESD Rating, CDM±500 V; JEDEC JESD22-C101, all pins
Recommended Supply Voltage at VIN2.0 to 16 V
Recommended Output Voltage2.5 to 9 V
Effective Inductance0.7 min, 1.5 nom, 2.8 max uH
Input Capacitance at VIN4.7 min, 10 nom uF
VAUX Capacitance100 nF
Output Capacitance at VOUT15 min, 47 nom, 470 max uF
Buck Mode Duty Cycle30% max
Buck Mode Duty Cycle with Higher Effective Output Capacitance20% max; Cout,eff >= 40 uF; L,eff = 0.7 uH to 1.8 uH
Operating Junction Temperature Range-40 to 125 °C
Thermal Resistance, Junction-to-Ambient63 °C/W
Thermal Resistance, Junction-to-Case Top42 °C/W
Thermal Resistance, Junction-to-Board13 °C/W
Junction-to-Top Characterization Parameter2.4 °C/W
Junction-to-Board Characterization Parameter13 °C/W
Input Voltage Range Once Started2.0 to 16 V; VOUT >= 3.0 V
Input Voltage Range for Start-up3.0 to 16 V; VOUT < 3.0 V
Output Current2 A; VIN >= 4.5 V or VOUT >= 4.5 V and VOUT/VIN <= 1
Quiescent Current into VIN54 typ, 103 max uA; IOUT=0 mA, VEN=VIN=6 V, PFM, VOUT=5 V, Tj=-40°C to 85°C
Quiescent Current into VIN133 max uA; IOUT=0 mA, VEN=VIN=6 V, PFM, VOUT=5 V, Tj=-40°C to 125°C
Quiescent Current into VOUT5 typ, 9 max uA; IOUT=0 mA, VEN=VIN=6 V, VOUT=5 V, PFM, Tj=-40°C to 85°C
Quiescent Current into VOUT17 max uA; IOUT=0 mA, VEN=VIN=6 V, VOUT=5 V, PFM, Tj=-40°C to 125°C
Shutdown Current2 typ, 12 max uA; VEN=0 V, VIN=5 V, Tj=-40°C to 85°C
Shutdown Current26 max uA; VEN=0 V, Tj=-40°C to 85°C
Undervoltage Lockout Threshold1.7 min, 1.85 typ, 1.95 max V; VIN voltage falling
Undervoltage Lockout Hysteresis525 min, 850 typ mV; VIN voltage rising
Thermal Shutdown160 °C
Thermal Shutdown Hysteresis20 °C
Logic Threshold Voltage Rising0.77 min, 0.8 typ, 0.83 max V; EN and PS/SYNC PWM/PFM mode change
Logic Threshold Voltage Falling0.67 min, 0.7 typ, 0.73 max V; EN and PS/SYNC PWM/PFM mode change
Low-Level Input Voltage0.3 max V; VSEL low, PS/SYNC low when used for synchronization
High-Level Input Voltage1.1 min V; VSEL high, PS/SYNC high when used for synchronization
EN/PS/SYNC/VSEL Input Current0.2 uA
PG Output Low Voltage0.4 max V; IPG=-1 mA
PG Output Leakage Current0.2 uA; PG high impedance, VPG=5 V
PG Sink Current1 mA
Power Good Threshold, Rising94.5 min, 96 typ, 98.5 max %
Power Good Threshold, Falling90 min, 92 typ, 94.5 max %
Adjustable Output Voltage Range2.5 to 9 V
Fixed Output Voltage5.0 V; TPS630701
Feedback Voltage800 mV; TPS63070/TPS630702, PS/SYNC=VIN
Feedback Impedance1.5 Mohm; fixed voltage versions
Feedback Leakage100 nA; adjustable version, VFB=0.8 V
Feedback Voltage Accuracy, PWM-1% to +1%; TPS63070/TPS630702, PS/SYNC=GND
Fixed Output Voltage Accuracy, PWM-1% to +1%; TPS630701, PS/SYNC=GND
Feedback Voltage Accuracy, PFM-1% to +3%; TPS63070/TPS630702, PS/SYNC=VIN, VIN >= 3 V
Datasheet Statusrequest_only

Product Overview

The TPS63070 is a Texas Instruments buck-boost converter for Power_Management designs requiring regulated conversion across overlapping input and output ranges. It accepts 2.0 to 16 V at VIN during operation and supports an adjustable 2.5 to 9 V output range for the TPS63070 version. The device title rating lists a 3.6 A switch current, with up to 95% efficiency and 2 A output current capability in buck mode or in boost mode at VIN=4 V and VOUT=5 V.

The device is supplied in a VQFN package with a 2.5 mm x 3 mm nominal body. Recommended external operating components include 0.7 to 2.8 uH effective inductance, 4.7 uF minimum input capacitance at VIN, 100 nF VAUX capacitance, and 15 to 470 uF total output capacitance at VOUT.

Control and monitoring functions include EN, PS/SYNC, VSEL, and PG pins. The converter supports 2.4 MHz fixed-frequency operation and synchronization, power-good thresholds referenced to VOUT, undervoltage lockout, and thermal shutdown.

Key Features

  • 2.0 to 16 V recommended VIN range
  • Adjustable 2.5 to 9 V output range
  • 3.6 A switch current device rating
  • Up to 95% conversion efficiency
  • 2 A output current in buck mode
  • 2 A boost output at VIN=4 V, VOUT=5 V
  • 50 uA typical device quiescent current
  • 2.4 MHz fixed-frequency and synchronization option
  • Power-good output with rising and falling thresholds
  • Thermal shutdown at 160 °C with 20 °C hysteresis
  • VQFN package, 2.5 mm x 3 mm body
  • Recommended junction operation from -40 to 125 °C

Typical Applications

  • Buck-boost regulated power rails
  • Adjustable 2.5 to 9 V outputs
  • 5 V output rail designs
  • Battery input power conversion
  • Systems with VIN above or below VOUT
  • Power rails needing power-good monitoring
  • Synchronized 2.4 MHz converter designs

Procurement Notes

When requesting a quote for TPS63070, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.

If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.

For power IC and power device sourcing, voltage rating, current rating, power dissipation, package thermal performance, protection features, qualification grade and application conditions should be reviewed before approval.

FAQ

What input voltage range does the TPS63070 support?

The TPS63070 supports a 2.0 to 16 V input voltage range during operation. For start-up with VOUT below 3.0 V, the specified input range is 3.0 to 16 V.

Is the TPS63070 output voltage fixed or adjustable?

The TPS63070 version has an adjustable output voltage type and supports an adjustable output range of 2.5 to 9 V. The related TPS630701 version is listed with a fixed 5.0 V output.

What package is used for the TPS63070?

The TPS63070 is specified in a VQFN package with a 2.5 mm x 3 mm nominal body. Thermal data for the TPS63070x VQFN 13-pin package includes 63 °C/W junction-to-ambient resistance.

What switching frequency does the TPS63070 use?

The TPS63070 has a 2.4 MHz switching frequency. The extracted facts identify this value for forced fixed-frequency operation and for the synchronization option.

Technical Review & Sourcing Note

Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.

This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.

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