TPS628502-Q1

ACTIVE

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

TPS628502-Q1

ACTIVE

Product details

Iout (max) (A) 2 Vin (min) (V) 2.7 Vin (max) (V) 6 Type Converter Switching frequency (min) (kHz) 1800 Switching frequency (max) (kHz) 4000 Features Enable, Fixed Output, Forced PWM, Frequency synchronization, Light load efficiency, Output discharge, Power good, Pre-Bias Start-Up, Spread Spectrum, Synchronous Rectification, Tracking, UVLO fixed Control mode current mode Vout (min) (V) 0.6, 1.8, 3.3 Vout (max) (V) 1.8, 3.3, 5.5 Rating Automotive Operating temperature range (°C) -40 to 150
Iout (max) (A) 2 Vin (min) (V) 2.7 Vin (max) (V) 6 Type Converter Switching frequency (min) (kHz) 1800 Switching frequency (max) (kHz) 4000 Features Enable, Fixed Output, Forced PWM, Frequency synchronization, Light load efficiency, Output discharge, Power good, Pre-Bias Start-Up, Spread Spectrum, Synchronous Rectification, Tracking, UVLO fixed Control mode current mode Vout (min) (V) 0.6, 1.8, 3.3 Vout (max) (V) 1.8, 3.3, 5.5 Rating Automotive Operating temperature range (°C) -40 to 150
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 T A
  • Functional Safety-Capable
  • Optimized for low EMI requirements
    • Optional pseudo-random spread spectrum reduces peak emissions
  • T J = –40°C to +150°C
  • Family of 1-A and 2-A (continuous) and 3-A (peak) converters
  • Input voltage range: 2.7 V to 6 V
  • Quiescent current: 17-µA typical
  • Output voltage from 0.6 V to 5.5 V
  • Output voltage accuracy ±1% (PWM operation)
  • Forced PWM or PWM/PFM operation
  • Adjustable switching frequency: 1.8 MHz to 4 MHz
  • 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 T A
  • Functional Safety-Capable
  • Optimized for low EMI requirements
    • Optional pseudo-random spread spectrum reduces peak emissions
  • T J = –40°C to +150°C
  • Family of 1-A and 2-A (continuous) and 3-A (peak) converters
  • Input voltage range: 2.7 V to 6 V
  • Quiescent current: 17-µA typical
  • Output voltage from 0.6 V to 5.5 V
  • Output voltage accuracy ±1% (PWM operation)
  • Forced PWM or PWM/PFM operation
  • Adjustable switching frequency: 1.8 MHz to 4 MHz
  • 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 1-A, 2-A (continuous), and 3-A (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 2-A continuous output current and 3-A peak current. In the TPS62850x-Q1, the switching frequency is externally adjustable from 1.8 MHz to 4 MHz. 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 1-A, 2-A (continuous), and 3-A (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 2-A continuous output current and 3-A peak current. In the TPS62850x-Q1, the switching frequency is externally adjustable from 1.8 MHz to 4 MHz. 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.

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Technical documentation

Design & development

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Simulation model

TPS628502-Q1 PSpice Transient Model

SLUM734.ZIP (105 KB) - PSpice Model
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Test report: PDF
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SOT-5X3 (DRL) 8 View options
SOT-5X3 (DYC) 8 View options

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