Home Power management AC/DC & DC/DC converters (integrated FET)
Home
Power management
AC/DC & DC/DC converters (integrated FET)

TPS628502-Q1

ACTIVE

2.7-V to 6-V, 2-A automotive step-down converter in SOT583 package

Order now
Data sheet

TPS628502-Q1

ACTIVE
Data sheet Order now

Product details

Rating Automotive Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 2 Vin (min) (V) 2.7 Vin (max) (V) 6 Switching frequency (min) (kHz) 1800 Switching frequency (max) (kHz) 4000 Features Enable, Fixed Output, Forced PWM, Frequency synchronization, Light Load Efficiency, Light load efficiency, Output discharge, Power good, Pre-Bias Start-Up, Spread Spectrum, Synchronous Rectification, Tracking, UVLO Fixed, UVLO fixed, Wettable flanks package EMI features Spread Spectrum Control mode current mode Vout (min) (V) 0.6, 1.8, 3.3 Vout (max) (V) 1.8, 3.3, 5.5 Iq (typ) (µA) 17 Duty cycle (max) (%) 100
Rating Automotive Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 2 Vin (min) (V) 2.7 Vin (max) (V) 6 Switching frequency (min) (kHz) 1800 Switching frequency (max) (kHz) 4000 Features Enable, Fixed Output, Forced PWM, Frequency synchronization, Light Load Efficiency, Light load efficiency, Output discharge, Power good, Pre-Bias Start-Up, Spread Spectrum, Synchronous Rectification, Tracking, UVLO Fixed, UVLO fixed, Wettable flanks package EMI features Spread Spectrum Control mode current mode Vout (min) (V) 0.6, 1.8, 3.3 Vout (max) (V) 1.8, 3.3, 5.5 Iq (typ) (µA) 17 Duty cycle (max) (%) 100
SOT-5X3 (DRL) 8 3.36 mm² 2.1 x 1.6 SOT-5X3 (DYC) 8 2.52 mm² 2.1 x 1.2
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C TA
  • Functional Safety-Capable
  • Optimized for low EMI requirements
    • Optional pseudo-random spread spectrum reduces peak emissions
  • TJ = –40°C to +150°C
  • Family of 1A and 2A (continuous) and 3A (peak) converters
  • Input voltage range: 2.7V to 6V
  • Quiescent current: 17µA typical
  • Output voltage from 0.6V to 5.5V
  • Output voltage accuracy ±1% (PWM operation)
  • Forced PWM or PWM/PFM operation
  • Adjustable switching frequency: 1.8MHz to 4MHz
  • Precise ENABLE input allows:
    • User-defined undervoltage lockout
    • Exact sequencing
  • 100% duty cycle mode
  • Active output discharge
  • Foldback overcurrent protection – optional
  • Power-good output with window comparator
  • AEC-Q100 qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C TA
  • Functional Safety-Capable
  • Optimized for low EMI requirements
    • Optional pseudo-random spread spectrum reduces peak emissions
  • TJ = –40°C to +150°C
  • Family of 1A and 2A (continuous) and 3A (peak) converters
  • Input voltage range: 2.7V to 6V
  • Quiescent current: 17µA typical
  • Output voltage from 0.6V to 5.5V
  • Output voltage accuracy ±1% (PWM operation)
  • Forced PWM or PWM/PFM operation
  • Adjustable switching frequency: 1.8MHz to 4MHz
  • Precise ENABLE input allows:
    • User-defined undervoltage lockout
    • Exact sequencing
  • 100% duty cycle mode
  • Active output discharge
  • Foldback overcurrent protection – optional
  • Power-good output with window comparator

The TPS62850x-Q1 is a family of pin-to-pin 1A, 2A (continuous), and 3A (peak) high efficiency, easy-to-use synchronous step-down DC/DC converters. These devices are based on a peak current mode control topology. These devices are designed for automotive applications such as infotainment and advanced driver assistance systems. Low resistive switches allow up to 2A continuous output current and 3A peak current. In the TPS62850x-Q1, the switching frequency is externally adjustable from 1.8MHz to 4MHz. The devices can also be synchronized to an external clock in the same frequency range. In PWM/PFM mode, the devices automatically enter power save mode at light loads to maintain high efficiency across the whole load range. The family provides a 1% output voltage accuracy in PWM mode which helps design a power supply with high output voltage accuracy.

The TPS62850x-Q1 are available in a SOT583 package.

The TPS62850x-Q1 is a family of pin-to-pin 1A, 2A (continuous), and 3A (peak) high efficiency, easy-to-use synchronous step-down DC/DC converters. These devices are based on a peak current mode control topology. These devices are designed for automotive applications such as infotainment and advanced driver assistance systems. Low resistive switches allow up to 2A continuous output current and 3A peak current. In the TPS62850x-Q1, the switching frequency is externally adjustable from 1.8MHz to 4MHz. The devices can also be synchronized to an external clock in the same frequency range. In PWM/PFM mode, the devices automatically enter power save mode at light loads to maintain high efficiency across the whole load range. The family provides a 1% output voltage accuracy in PWM mode which helps design a power supply with high output voltage accuracy.

The TPS62850x-Q1 are available in a SOT583 package.
filter Find other AC/DC & DC/DC converters (integrated FET)
Download View video with transcript Video

Similar products you might be interested in

open-in-new Compare alternates
Pin-for-pin with same functionality to the compared device
TPS628501-Q1 ACTIVE Automotive 2.7V-to-6V 1A step-down converter in SOT-583 package Low current version in same package.
TPS628502 ACTIVE 2.7-V to 6-V, 2-A, adjustable-frequency, step-down converter in SOT583 package Pin-to-pin solution without AEC-Q100 qualification.
TPS628503-Q1 ACTIVE 2.7-V to 6-V, 3-A automotive step-down converter in SOT583 package Same product family with higher current.

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 11
Type Title Date
* Data sheet TPS62850x-Q1 2.7V to 6V, 1A / 2A / 3A Automotive Step-Down Converter in SOT583 Package datasheet (Rev. K) PDF | HTML 10 Jun 2024
Application brief Benefits of Using a SOT-583 Package with Extended Leads PDF | HTML 03 May 2023
Application note Using the Filters with the DC/DC Step-Down Converter PDF | HTML 02 Feb 2023
Product overview Mobileye EyeQ6L – Semi Discrete Power Tree PDF | HTML 05 Aug 2022
Application note How to Measure Impedance of a Power Distribution Network of a DC-DC Converter PDF | HTML 20 Jan 2022
Application note Loop Gain Reconstruction of a Step-Down Converter from Output Impedance PDF | HTML 20 Jan 2022
Application note Improving Efficiency at Higher Loads with High Switching Frequencies PDF | HTML 16 Jun 2021
Technical article Powering levels of autonomy: a quick guide to DC/DC solutions for SAE autonomy lev 18 Nov 2020
Functional safety information TPS62850x-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 14 Oct 2020
User guide TPS628502EVM-092 User's Guide 22 Jan 2020
Application note Synchronizing DC/DC Converters in a Power Tree 16 Jan 2020

Design & development

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

Evaluation board

AWRL1432BOOST-BSD — AWRL1432 single-chip mmWave sensor evaluation board for blind spot detection

AWRL1432BOOST-BSD is an easy-to-use 70GHz mmWave sensor evaluation kit based on AWRL1432 device with onboard ROGERS RO3003 high-performance antenna. This board enables access to point-cloud data and power over USB interface. The AWRL1432BOOST-BSD supports direct connectivity to the DCA1000EVM (...)

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

IWR6843LEVM — IWR6843 evaluation module for 60-GHz, single-chip, mmWave radar sensor

The IWR6843L evaluation module (EVM) is an easy-to-use 60-GHz mmWave sensor evaluation platform for the IWR6843 with an FR4-based antenna. IWR6843LEVM may be used to evaluate both the IWR6843 and IWR6443. This EVM enables access to point-cloud data and power-over-USB interfaces.

IWR6843LEVM (...)

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

IWRL1432BOOST-BSD — IWRL1432 evaluation module for BSD with low-power 76-GHz to 81-GHz industrial radar sensor

IWRL1432BOOST-BSD is an easy-to-use 77 GHz mmWave sensor evaluation kit based on IWRL1432 device with on board ROGERS RO3003 high-performance antenna. This board enables access to point-cloud data and power over USB interface. The IWRL1432BOOST-BSD also has a 12V operated TCAN4550 for applications (...)

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

TPS628502EVM-092 — 2.7 -V to 6-V, 2-A automotive step-down converter in SOT583 package evaluation module

The TPS628502EVM-092 evaluation module is designed to evaluate the TPS6285X-Q1 devices. The TPS6285X-Q1 devices are high-frequency, synchronous, step-down converters optimized for a small solution size and high-efficiency. The devices focus on high-efficiency, step-down conversion over a wide (...)

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

TPS628502 and TPS628502-Q1 PSpice Transient Model

SLUM734.ZIP (105 KB) - PSpice Model
Download
Simulation model

TPS628502 and TPS628502-Q1 SIMPLIS Transient and Average Model (Rev. A)

SLUM765A.ZIP (649 KB) - SIMPLIS Model
Download
Simulation model

TPS6285020M-Q1 PSpice Transient Model

SLUM731.ZIP (92 KB) - PSpice Model
Download
Reference designs

TIDEP-01040 — Wafer chip-scale package 60GHz mmWave sensor reference design for industrial applications

This reference design targets applications requiring smaller form factor and low-power consumption. The design is based on TI's IWRL6432W, 60GHz mmWave radar device and uses a four-layer PCB stack-up with FR408HR material from Isola®. The reference design also has a smaller form-factor counterpart (...)
Design guide: PDF
Reference designs

TIPA-020001 — Power supply design using the AC8025 SoC from AutoChips™

This proof-of-concept details the design considerations of the discrete power design for the AC8025 (from AutoChips™) system-on-chip (SoC) power rails with a power-management IC (PMIC) design. The design uses the TPS6593-Q1 PMIC, TPS62875-Q1 synchronous buck converters, and TPS745-Q1 low-dropout (...)
Design guide: PDF
Reference designs

TIDEP-01036 — mmWave radar sensor kick-to-open reference design

This design provides a low-cost and small form factor reference for a Kick-to-Open (KTO) end application based on AWRL1432, TI’s single-chip 77GHz automotive radar sensor. The AWRL1432 device runs a machine learning based gesture sensing algorithm, which detects the kick gesture to activate a power (...)
Design guide: PDF
Reference designs

PMP23242 — Microprocessor unit (MPU) discrete automotive power reference design

This design demonstrates a power tree using low-cost discrete voltage regulators and details the specific power up and down sequencing requirements of the different voltage rails of the AM62x-Q1 processor family.
Test report: PDF
Package Pins CAD symbols, footprints & 3D models
SOT-5X3 (DRL) 8 Ultra Librarian
SOT-5X3 (DYC) 8 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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

View all forum topics

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