Product details

Vin (Min) (V) 2.75 Vin (Max) (V) 6 Vout (Min) (V) 0.6 Vout (Max) (V) 5.5 Iout (Max) (A) 2 Iq (Typ) (uA) 22 Switching frequency (Min) (kHz) 1800 Switching frequency (Max) (kHz) 4000 Features Enable, Output Discharge, Power Good, Spread Spectrum, Wettable Flanks Package Rating Automotive Regulated outputs (#) 2 Control mode Current Mode Duty cycle (Max) (%) 100
Vin (Min) (V) 2.75 Vin (Max) (V) 6 Vout (Min) (V) 0.6 Vout (Max) (V) 5.5 Iout (Max) (A) 2 Iq (Typ) (uA) 22 Switching frequency (Min) (kHz) 1800 Switching frequency (Max) (kHz) 4000 Features Enable, Output Discharge, Power Good, Spread Spectrum, Wettable Flanks Package Rating Automotive Regulated outputs (#) 2 Control mode Current Mode Duty cycle (Max) (%) 100
VQFN-HR (RQR) 14 6 mm² 2.7 x 2.3 VQFN-HR (RQR) 14
  • AEC-Q100-qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C TA
  • Functional Safety-Capable
  • Input voltage range: 2.75 V to 6 V
  • Dual-channel output, output voltage from 0.6 V to 5.5 V
  • Output voltage accuracy ±1% (PWM operation)
  • Forced PWM or PWM and PFM operation
  • Adjustable switching frequency of 1.8 MHz to 4 MHz
  • Two precise ENABLE inputs allow:
    • User-defined undervoltage lockout
    • Exact sequencing
  • Two power-good outputs with window comparator
  • 180° phase shifted operation
  • 100% duty cycle mode
  • Active output discharge
  • Optional spread spectrum clocking
  • Optional foldback overcurrent protection
  • TJ = –40°C to +150°C
  • 2.3-mm × 2.7-mm QFN package with wettable flanks
  • AEC-Q100-qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C TA
  • Functional Safety-Capable
  • Input voltage range: 2.75 V to 6 V
  • Dual-channel output, output voltage from 0.6 V to 5.5 V
  • Output voltage accuracy ±1% (PWM operation)
  • Forced PWM or PWM and PFM operation
  • Adjustable switching frequency of 1.8 MHz to 4 MHz
  • Two precise ENABLE inputs allow:
    • User-defined undervoltage lockout
    • Exact sequencing
  • Two power-good outputs with window comparator
  • 180° phase shifted operation
  • 100% duty cycle mode
  • Active output discharge
  • Optional spread spectrum clocking
  • Optional foldback overcurrent protection
  • TJ = –40°C to +150°C
  • 2.3-mm × 2.7-mm QFN package with wettable flanks

The TPS6244x-Q1 is a family of pin-to-pin dual 1-A, dual 2-A or 3-A, and 1-A high-efficiency and easy-to-use synchronous step-down DC/DC converters. They are based on a peak current mode control topology. The devices are designed for automotive applications such as infotainment and advanced driver assistance systems. Low resistive switches allow up to 3-A continuous output current and a total maximum output current up to 4 A at high ambient temperature. The switching frequency is externally adjustable from 1.8 MHz to 4 MHz and can also be synchronized to an external clock from 2 MHz to 4 MHz. In PWM and PFM mode, the TPS6244x-Q1 automatically enters power save mode at light loads to maintain high efficiency across the whole load range. The TPS6244x-Q1 provides a 1% output voltage accuracy in PWM mode, which helps design a power supply with high output voltage accuracy.

The TPS6244x-Q1 is available as an adjustable voltage version, packaged in a VQFN package.

The TPS6244x-Q1 is a family of pin-to-pin dual 1-A, dual 2-A or 3-A, and 1-A high-efficiency and easy-to-use synchronous step-down DC/DC converters. They are based on a peak current mode control topology. The devices are designed for automotive applications such as infotainment and advanced driver assistance systems. Low resistive switches allow up to 3-A continuous output current and a total maximum output current up to 4 A at high ambient temperature. The switching frequency is externally adjustable from 1.8 MHz to 4 MHz and can also be synchronized to an external clock from 2 MHz to 4 MHz. In PWM and PFM mode, the TPS6244x-Q1 automatically enters power save mode at light loads to maintain high efficiency across the whole load range. The TPS6244x-Q1 provides a 1% output voltage accuracy in PWM mode, which helps design a power supply with high output voltage accuracy.

The TPS6244x-Q1 is available as an adjustable voltage version, packaged in a VQFN package.

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NEW TPS62442 PREVIEW 2.75-V to 6-V, dual 2-A or 3-A and 1-A step-down converter in QFN package

Industrial version with -40°C to 150°C temperature range, but without AEC-Q100 qualification.

Technical documentation

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Type Title Date
* Data sheet TPS6244x-Q1 2.75-V to 6-V Dual Step-Down Converter with Adjustable Frequency in a QFN Package datasheet (Rev. B) PDF | HTML 11 Jul 2022
User guide TPS62442EVM-122 User's Guide PDF | HTML 17 Nov 2021
Certificate TPS62442EVM-122 EU RoHS Declaration of Conformity (DoC) 12 Oct 2021
Functional safety information TPS6244x-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 15 Sep 2021
Technical article Minimize the impact of the MLCC shortage on your power application 29 Mar 2019

Design & development

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Evaluation board

TPS62442EVM-122 — TPS6244x-Q1 evaluation module 2.75-V to 6-V, dual step-down buck converter

The TPS6244x-Q1 device is a high-frequency, synchronous, dual step-down converter optimized for a small solution size and high efficiency. The devices focus on high-efficiency, dual step-down conversion over a wide output current range. The internal compensation circuit allows a compact solution (...)
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Simulation model

TPS62442-Q1 PSpice Unencrypted Transient Model TPS62442-Q1 PSpice Unencrypted Transient Model

Simulation tool

PSPICE-FOR-TI PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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VQFN-HR (RQR) 14 View options

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