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TPS62916-Q1

ACTIVO

Convertidor buck automotriz de bajo ruido de 6 A y entrada de 3 V a 17 V con filtro de microesferas

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TPS62916-Q1

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Detalles del producto

Rating Automotive Topology Buck Iout (max) (A) 6 Vin (max) (V) 17 Vin (min) (V) 3 Vout (max) (V) 5.5 Vout (min) (V) 0.8 Features Enable, Frequency synchronization, Low Noise, Output discharge, Overcurrent protection, Power good, Soft-start adjustable, Spread Spectrum, Synchronous rectification, UVLO Fixed Control mode current mode Operating temperature range (°C) -55 to 150 Iq (typ) (A) 0.005 Duty cycle (max) (%) 100 TI functional safety category Functional Safety-Capable
Rating Automotive Topology Buck Iout (max) (A) 6 Vin (max) (V) 17 Vin (min) (V) 3 Vout (max) (V) 5.5 Vout (min) (V) 0.8 Features Enable, Frequency synchronization, Low Noise, Output discharge, Overcurrent protection, Power good, Soft-start adjustable, Spread Spectrum, Synchronous rectification, UVLO Fixed Control mode current mode Operating temperature range (°C) -55 to 150 Iq (typ) (A) 0.005 Duty cycle (max) (%) 100 TI functional safety category Functional Safety-Capable
VQFN-HR (RPY) 14 7.5 mm² (2.5 mm × 3 mm)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
  • Low output 1/f noise < 20µVRMS (100Hz to 100kHz)
  • Low output voltage ripple < 10µVRMS after ferrite bead
  • High PSRR of > 65dB (up to 100kHz)
  • 2.2MHz, 1.4MHz, or 1.0MHz fixed frequency peak current mode control
  • Synchronizable with external clock (optional)
  • Integrated loop compensation supports ferrite bead for second stage L-C filter with 30dB attenuation (optional)
  • Spread spectrum modulation (optional)
  • 3.0V to 17V input voltage range
  • 0.8V to 5.5V output voltage range
  • 25mΩ/7mΩ RDSon
  • Output voltage accuracy of ±1% over temperature
  • Precise enable input allows
    • User-defined undervoltage lockout
    • Exact sequencing
  • Adjustable soft start
  • Power-good output
  • Output discharge (optional)
  • –40°C to 150°C junction temperature range
  • 2.0mm × 3.0mm QFN with 0.5mm pitch
  • Create a custom design using the TPS6291x-Q1 with the WEBENCH Power Designer
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Capable
  • Low output 1/f noise < 20µVRMS (100Hz to 100kHz)
  • Low output voltage ripple < 10µVRMS after ferrite bead
  • High PSRR of > 65dB (up to 100kHz)
  • 2.2MHz, 1.4MHz, or 1.0MHz fixed frequency peak current mode control
  • Synchronizable with external clock (optional)
  • Integrated loop compensation supports ferrite bead for second stage L-C filter with 30dB attenuation (optional)
  • Spread spectrum modulation (optional)
  • 3.0V to 17V input voltage range
  • 0.8V to 5.5V output voltage range
  • 25mΩ/7mΩ RDSon
  • Output voltage accuracy of ±1% over temperature
  • Precise enable input allows
    • User-defined undervoltage lockout
    • Exact sequencing
  • Adjustable soft start
  • Power-good output
  • Output discharge (optional)
  • –40°C to 150°C junction temperature range
  • 2.0mm × 3.0mm QFN with 0.5mm pitch
  • Create a custom design using the TPS6291x-Q1 with the WEBENCH Power Designer

The automotive-qualifiedTPS6291x-Q1 devices are a family of high-efficiency, low noise, and low ripple current mode synchronous buck converters. The devices are designed for noise sensitive applications that normally use an LDO for post regulation such as high-speed ADCs, clock and jitter cleaner, serializer, deserializer, and radar applications.

To reduce the output voltage ripple, the device loop compensation is designed to operate with an optional second-stage ferrite bead L-C filter. Low-frequency noise levels, similar to a low-noise LDO, are further achieved by filtering the internal voltage reference with a capacitor connected to the NR/SS pin. Combined, these features allow for an output voltage ripple below 10µVRMS.

The device operates at a fixed switching frequency of 2.2MHz, 1.4MHz, or 1MHz, and can be synchronized to an external clock. An optional spread spectrum modulation scheme spreads the DC/DC switching frequency over a wider span, which lowers the mixing spurs.

The automotive-qualifiedTPS6291x-Q1 devices are a family of high-efficiency, low noise, and low ripple current mode synchronous buck converters. The devices are designed for noise sensitive applications that normally use an LDO for post regulation such as high-speed ADCs, clock and jitter cleaner, serializer, deserializer, and radar applications.

To reduce the output voltage ripple, the device loop compensation is designed to operate with an optional second-stage ferrite bead L-C filter. Low-frequency noise levels, similar to a low-noise LDO, are further achieved by filtering the internal voltage reference with a capacitor connected to the NR/SS pin. Combined, these features allow for an output voltage ripple below 10µVRMS.

The device operates at a fixed switching frequency of 2.2MHz, 1.4MHz, or 1MHz, and can be synchronized to an external clock. An optional spread spectrum modulation scheme spreads the DC/DC switching frequency over a wider span, which lowers the mixing spurs.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos TPS6291x-Q1 3V to 17V, 4.5A/ 6A /8A , Automotive, Low Noise and Low Ripple Buck Converter With Integrated Ferrite Bead Filter Compensation datasheet (Rev. B) PDF | HTML 22/01/2025
Información sobre seguridad funcional TPS6291x-Q1 Functional Safety FIT Rate and Pin FMA PDF | HTML 31/07/2024

Diseño y desarrollo

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Placa de evaluación

TPS62916EVM — Módulo de evaluación TPS62916 para el convertidor reductor 17-VIN de 6 A de bajo ruido y ondulación

El módulo de evaluación (EVM) TPS62916 (BSR265) facilita la evaluación del TPS62916, que es un convertidor buck de potencia de bajo ruido (<20 μVRMS) y baja ondulación (<10 μVRMS) en un encapsulado plano cuádruple muy delgado sin plomo HotRod™ (VQFN-HR). TPS62916EVM utiliza el TPS62916 de 6 A para generar un (...)

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VQFN-HR (RPY) 14 Ultra Librarian
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