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TPS40051-Q1

ACTIVE

Automotive 8V to 40V Synchronous Buck Controller

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LM25141-Q1 ACTIVE Automotive 2.2-MHz, low-IQ synchronous buck controller with frequency spread spectrum Improved EMI performance, efficiency and lower IQ.

Product details

Vin (min) (V) 8 Vin (max) (V) 40 Vout (min) (V) 0.7 Vout (max) (V) 35 Iout (max) (A) 20 Iq (typ) (mA) 1.5 Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 1000 Features Enable, Frequency synchronization, Synchronous Rectification Operating temperature range (°C) -40 to 125 Regulated outputs (#) 1 Number of phases 1 Rating Automotive Control mode Voltage mode Type Controller
Vin (min) (V) 8 Vin (max) (V) 40 Vout (min) (V) 0.7 Vout (max) (V) 35 Iout (max) (A) 20 Iq (typ) (mA) 1.5 Switching frequency (min) (kHz) 100 Switching frequency (max) (kHz) 1000 Features Enable, Frequency synchronization, Synchronous Rectification Operating temperature range (°C) -40 to 125 Regulated outputs (#) 1 Number of phases 1 Rating Automotive Control mode Voltage mode Type Controller
HTSSOP (PWP) 16 32 mm² 5 x 6.4
  • Qualified for Automotive Applications
  • Operating Input Voltage 8 V to 40 V
  • Input Voltage Feed-Forward Compensation
  • < 1 % Internal 0.7-V Reference
  • Programmable Fixed-Frequency Up to 1 MHz Voltage Mode Controller
  • Internal Gate Drive Outputs for High-Side and Synchronous N-Channel MOSFETs
  • 16-Pin PowerPAD™. Package (λJC = 2°C/W)
  • Thermal Shutdown
  • Externally Synchronizable
  • Programmable High-Side Current Limit
  • Programmable Closed-Loop Soft-Start
  • TPS40050 Source Only
  • TPS40051 Source/Sink
  • TPS40053 Source/Sink With VOUT Prebias
  • APPLICATIONS
    • Power Modules
    • Networking/Telecom
    • Industrial
    • Servers

PowerPAD is trademark of Texas Instruments.

  • Qualified for Automotive Applications
  • Operating Input Voltage 8 V to 40 V
  • Input Voltage Feed-Forward Compensation
  • < 1 % Internal 0.7-V Reference
  • Programmable Fixed-Frequency Up to 1 MHz Voltage Mode Controller
  • Internal Gate Drive Outputs for High-Side and Synchronous N-Channel MOSFETs
  • 16-Pin PowerPAD™. Package (λJC = 2°C/W)
  • Thermal Shutdown
  • Externally Synchronizable
  • Programmable High-Side Current Limit
  • Programmable Closed-Loop Soft-Start
  • TPS40050 Source Only
  • TPS40051 Source/Sink
  • TPS40053 Source/Sink With VOUT Prebias
  • APPLICATIONS
    • Power Modules
    • Networking/Telecom
    • Industrial
    • Servers

PowerPAD is trademark of Texas Instruments.

The TPS4005x is a family of high-voltage, wide input (8 V to 40 V), synchronous, step-down converters. The TPS4005x family offers design flexibility with a variety of user programmable functions, including soft-start, UVLO, operating frequency, voltage feedforward, high-side current limit, and loop compensation.

The TPS4005x are also synchronizable to an external supply. They incorporate MOSFET gate drivers for external N-channel high-side and synchronous rectifier (SR) MOSFETs. Gate drive logic incorporates anti-cross conduction circuitry to prevent simultaneous high-side and synchronous rectifier conduction.

The TPS4005x uses voltage feed-forward control techniques to provide good line regulation over the wide (4:1) input voltage range, and fast response to input line transients with near constant gain with input variation which eases loop compensation.

The externally programmable current limit provides pulse-by-pulse current limit, as well as hiccup mode operation utilizing an internal fault counter for longer duration overloads.

The TPS4005x is a family of high-voltage, wide input (8 V to 40 V), synchronous, step-down converters. The TPS4005x family offers design flexibility with a variety of user programmable functions, including soft-start, UVLO, operating frequency, voltage feedforward, high-side current limit, and loop compensation.

The TPS4005x are also synchronizable to an external supply. They incorporate MOSFET gate drivers for external N-channel high-side and synchronous rectifier (SR) MOSFETs. Gate drive logic incorporates anti-cross conduction circuitry to prevent simultaneous high-side and synchronous rectifier conduction.

The TPS4005x uses voltage feed-forward control techniques to provide good line regulation over the wide (4:1) input voltage range, and fast response to input line transients with near constant gain with input variation which eases loop compensation.

The externally programmable current limit provides pulse-by-pulse current limit, as well as hiccup mode operation utilizing an internal fault counter for longer duration overloads.

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* Data sheet Wide-Input Synchronous Buck Controller datasheet (Rev. A) 06 May 2008

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