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LMZ10501

ACTIVE

5.5V, 1A Step-Down DC/DC Power Module in 3mm × 2.6mm Package

A newer version of this product is available

open-in-new Compare alternates
Same functionality with different pin-out to the compared device
TPSM82821 ACTIVE 5.5-V input, 1-A step-down module with integrated inductor in 2 x 2.5 x 1.1-mm μSIP package Newer solution with smaller BOM size, lower Iq, higher voltage accuracy
NEW TPSM828511 ACTIVE 2.7-V to 6-V, 1-A low-noise step-down module with integrated inductor in QFN package QFN package
Similar functionality to the compared device
TPSM82821A ACTIVE 5.5-V input, 1-A step-down converter with integrated inductor and forced PWM mode in µSiP package Smaller total BOM size of 23 mm² (saves >40% area) and 1% output voltage accuracy
NEW TPSM828301 ACTIVE 2.25-V to 5.5-V, 1-A high-efficiency step-down power module with integrated inductor Overmolded package with improved efficiency

Product details

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck, Synchronous Buck Type Module Iout (max) (A) 1 Vin (min) (V) 2.7 Vin (max) (V) 5.5 Vout (min) (V) 0.6 Vout (max) (V) 3.6 Switching frequency (min) (kHz) 1750 Switching frequency (max) (kHz) 2250 Features EMI Tested, Enable Control mode current mode Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck, Synchronous Buck Type Module Iout (max) (A) 1 Vin (min) (V) 2.7 Vin (max) (V) 5.5 Vout (min) (V) 0.6 Vout (max) (V) 3.6 Switching frequency (min) (kHz) 1750 Switching frequency (max) (kHz) 2250 Features EMI Tested, Enable Control mode current mode Duty cycle (max) (%) 100
USIP (SIL) 8 See data sheet
  • Output current up to 1 A
  • 2.7-V to 5.5-V input voltage range
  • 0.6-V to 3.6-V output voltage range
  • Efficiency up to 95%
  • Integrated inductor
  • 8-pin microSiP footprint
  • –40°C to 125°C junction temperature range
  • Adjustable output voltage
  • 2-MHz fixed PWM switching frequency
  • Integrated compensation
  • Soft-start function
  • Current limit protection
  • Thermal shutdown protection
  • Input voltage UVLO for power-up, power-down, and brownout conditions
  • Only 5 external components — resistor divider and 3 ceramic capacitors
  • Small design size
  • Low output voltage ripple
  • Easy component selection and simple PCB layout
  • High efficiency reduces system heat generation
  • Create a custom design using the LMZ10501 with the WEBENCH Power Designer
  • Output current up to 1 A
  • 2.7-V to 5.5-V input voltage range
  • 0.6-V to 3.6-V output voltage range
  • Efficiency up to 95%
  • Integrated inductor
  • 8-pin microSiP footprint
  • –40°C to 125°C junction temperature range
  • Adjustable output voltage
  • 2-MHz fixed PWM switching frequency
  • Integrated compensation
  • Soft-start function
  • Current limit protection
  • Thermal shutdown protection
  • Input voltage UVLO for power-up, power-down, and brownout conditions
  • Only 5 external components — resistor divider and 3 ceramic capacitors
  • Small design size
  • Low output voltage ripple
  • Easy component selection and simple PCB layout
  • High efficiency reduces system heat generation
  • Create a custom design using the LMZ10501 with the WEBENCH Power Designer

The LMZ10501 nano module is an easy-to-use step-down DC-DC design capable of driving up to 1-A load in space-constrained applications. Only an input capacitor, an output capacitor, a small V CON filter capacitor, and two resistors are required for basic operation. The nano module comes in an 8-pin µSIP footprint package with an inductor. Internal current limit based soft-start function, current overload protection, and thermal shutdown are also provided.

The LMZ10501 nano module is an easy-to-use step-down DC-DC design capable of driving up to 1-A load in space-constrained applications. Only an input capacitor, an output capacitor, a small V CON filter capacitor, and two resistors are required for basic operation. The nano module comes in an 8-pin µSIP footprint package with an inductor. Internal current limit based soft-start function, current overload protection, and thermal shutdown are also provided.

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Design & development

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

Evaluation board

LMR24220RB — LMR24220 5-Watt Multi-Rail Power Supply Reference Board

The LMR24220 Multi-Rail reference board implements an extremely compact solution. It is designed to convert from 12V or 24V rails down to typical point-of-load voltages of 3.3V, 1.8V and 1.2V. This design utilizes an LMR24220 Nano Regulator and two LMZ10501 Nano Modules to demonstrate a complete (...)

User guide: PDF
Not available on TI.com
Evaluation board

LMZ10501SILEVM — LMZ10501 1A SIMPLE SWITCHER® Nano Module Evaluation Board

The LMZ10501 SIMPLE SWITCHER® Nano Modules are easy-to-use DC/DC solutions optimized for space-constrained applications. The LMZ10501 is capable of driving up to 1A load with excellent power conversion efficiency, line and load regulation, and EMI performance.

The evaluation board (EVM) is (...)

User guide: PDF
Not available on TI.com
Simulation model

LMZ10501 PSpice Average Model

SNVM146.ZIP (51 KB) - PSpice Model
Simulation model

LMZ10501 PSpice Transient Model

SNVM148.ZIP (255 KB) - PSpice Model
Simulation model

LMZ10501 Unencrypted PSpice Average Model

SNVM734.ZIP (1 KB) - PSpice Model
Simulation model

LMZ10501 Unencrypted PSpice Transient Model

SNVM733.ZIP (2 KB) - PSpice Model
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Design guide: PDF
Schematic: PDF
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Reference designs

TIDA-010011 — High efficiency power supply architecture reference design for protection relay processor module

This reference design showcases various power architectures for generating multiple voltage rails for an application processor module, requiring >1A load current and high efficiency . The required power supply is generated using 5-, 12- or 24-V DC input from the backplane. Power supplies are (...)
Design guide: PDF
Schematic: PDF
Package Pins CAD symbols, footprints & 3D models
USIP (SIL) 8 Ultra Librarian

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