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TPSM83100

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1.5A high-efficiency buck-boost module with integrated inductor

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Data sheet

TPSM83100

ACTIVE
Data sheet Order now

Product details

Rating Catalog Topology Buck-Boost Iout (max) (A) 2 Vin (max) (V) 5.5 Vin (min) (V) 1.6 Vout (max) (V) 5.5 Vout (min) (V) 1.2 Features Enable, Light-load efficiency, Load Disconnect, Synchronous rectification, UVLO fixed Operating temperature range (°C) -40 to 125 Switch current limit (typ) (A) 3 Type Module Duty cycle (max) (%) 100 Switching frequency (min) (kHz) 1800 Switching frequency (max) (kHz) 2200
Rating Catalog Topology Buck-Boost Iout (max) (A) 2 Vin (max) (V) 5.5 Vin (min) (V) 1.6 Vout (max) (V) 5.5 Vout (min) (V) 1.2 Features Enable, Light-load efficiency, Load Disconnect, Synchronous rectification, UVLO fixed Operating temperature range (°C) -40 to 125 Switch current limit (typ) (A) 3 Type Module Duty cycle (max) (%) 100 Switching frequency (min) (kHz) 1800 Switching frequency (max) (kHz) 2200
USIP (SIU) 8 See data sheet
  • 1.6V to 5.5V input voltage range
    • Device input voltage > 1.65V for start-up
  • 1.2V to 5.5V output voltage range
    • 1.0V Vout is supported in PFM mode
  • High output current capability, 3A peak switch current
    • 1.5A Iout for VIN ≥ 3V, VOUT = 3.3V
    • 1.2A Iout for VIN ≥ 2.7V, VOUT = 3.3V
  • Active output discharge (TPSM83101, TPSM83101L only)
  • High efficiency over the entire load range
    • 8µA typical quiescent current
    • Automatic power save mode and forced PWM mode
  • Peak current buck-boost mode architecture
    • Seamless mode transition
    • Forward and reverse current operation
    • Start-up into prebiased outputs
    • Fixed-frequency operation with 2MHz switching
  • Safety and robust operation features
    • Overcurrent protection and short-circuit protection
    • Integrated soft start with active ramp adoption
    • Overtemperature protection and overvoltage protection
    • True shutdown function with load disconnection
    • Forward and backward current limit
  • Small design size
    • MicroSiP™ power module with integrated inductor
    • 2.0mm × 2.6mm × 1.2mm(max) 8-pin µSiP package
  • Create a custom design using the TPSM8310xx device with the WEBENCH® Power Designer
  • 1.6V to 5.5V input voltage range
    • Device input voltage > 1.65V for start-up
  • 1.2V to 5.5V output voltage range
    • 1.0V Vout is supported in PFM mode
  • High output current capability, 3A peak switch current
    • 1.5A Iout for VIN ≥ 3V, VOUT = 3.3V
    • 1.2A Iout for VIN ≥ 2.7V, VOUT = 3.3V
  • Active output discharge (TPSM83101, TPSM83101L only)
  • High efficiency over the entire load range
    • 8µA typical quiescent current
    • Automatic power save mode and forced PWM mode
  • Peak current buck-boost mode architecture
    • Seamless mode transition
    • Forward and reverse current operation
    • Start-up into prebiased outputs
    • Fixed-frequency operation with 2MHz switching
  • Safety and robust operation features
    • Overcurrent protection and short-circuit protection
    • Integrated soft start with active ramp adoption
    • Overtemperature protection and overvoltage protection
    • True shutdown function with load disconnection
    • Forward and backward current limit
  • Small design size
    • MicroSiP™ power module with integrated inductor
    • 2.0mm × 2.6mm × 1.2mm(max) 8-pin µSiP package
  • Create a custom design using the TPSM8310xx device with the WEBENCH® Power Designer

The TPSM83100, TPSM83101, and TPSM83101L are constant frequency peak current mode control buck-boost MicroSiP™ power modules optimized for small design size and high efficiency. The power modules integrate an inductor to simplify design, reduce external components, and save PCB area. The power modules have a 3A peak current limit (typical) and 1.6V to 5.5V input voltage range. The TPSM83100 and TPSM83101, TPSM83101L provide a power supply design for system pre-regulators and voltage stabilizers.

Depending on the input voltage, the TPSM83100 and TPSM83101, TPSM83101L automatically operate in boost, buck, or in 3-cycle buck-boost mode when the input voltage is approximately equal to the output voltage. The transitions between modes happen at a defined duty cycle and avoid unwanted toggling within the modes to reduce output voltage ripple. 8µA quiescent current and power save mode enable the highest efficiency for light to no-load conditions.

The TPSM83100, TPSM83101, and TPSM83101L are constant frequency peak current mode control buck-boost MicroSiP™ power modules optimized for small design size and high efficiency. The power modules integrate an inductor to simplify design, reduce external components, and save PCB area. The power modules have a 3A peak current limit (typical) and 1.6V to 5.5V input voltage range. The TPSM83100 and TPSM83101, TPSM83101L provide a power supply design for system pre-regulators and voltage stabilizers.

Depending on the input voltage, the TPSM83100 and TPSM83101, TPSM83101L automatically operate in boost, buck, or in 3-cycle buck-boost mode when the input voltage is approximately equal to the output voltage. The transitions between modes happen at a defined duty cycle and avoid unwanted toggling within the modes to reduce output voltage ripple. 8µA quiescent current and power save mode enable the highest efficiency for light to no-load conditions.

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Technical documentation

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* Data sheet TPSM8310xx 1.5A Output Current, Buck-Boost MicroSiP™ Power Module With Integrated Inductor datasheet (Rev. C) PDF | HTML 18 Mar 2026
Certificate TPSM83100EVM-114 EU RoHS Declaration of Conformity (DoC) 02 Mar 2023

Design & development

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Evaluation board

TPSM83100EVM — TPSM83100 evaluation module

The TPSM83100 evaluation module (EVM) is designed to help users easily evaluate and test the operation and functionality of the TPSM83100 buck-boost module. TPSM83100EVM has the output voltage set to 3.3V. The EVM operates from a 1.6V-to-5.5V input voltage range. Output current can go up to 1.5A (...)

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