MAX16990
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MAX16990

36V, 2.5MHz Automotive Boost/SEPIC Controllers

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2.5MHz Automotive PWM Controller Enables Space-Efficient Preboost Supplies for Cold/Warm Crank Applications

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Info: : PRODUCTION tooltip
Part Details
Part Models 18
1ku List Price Starting From $1.35
Features
  • Minimized Radio Interference with 2.5MHz Switching Frequency Above the AM Radio Band
  • Space-Efficient Solution Design with Minimized External Components
    • 100kHz to 1MHz (MAX16990) and 1MHz to 2.5MHz (MAX16992) Switching-Frequency Ranges
    • 12-Pin TQFN (3mm x 3mm) and 10-Pin µMAX Packages
  • Spread Spectrum Simplifies EMI Management Design
  • Flexibility with Available Configurations for Boost, SEPIC, and Multiphase Applications
    • Adjustable Slope Compensation
    • Current-Mode Control
    • Internal Soft-Start (9ms)
  • Protection Features Support Robust Automotive Applications
    • Operating Voltage Range Down to 4.5V (2.5V or Lower in Bootstrapped Mode), Immune to Load- Dump Transient Voltages Up to 42V
    • PGOOD Output and Hiccup Mode for Enhanced System Protection
    • Overtemperature Shutdown
    • -40°C to +125°C Operation
Additional Details
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The MAX16990/MAX16992 are high-performance, current-mode PWM controllers with 4µA (typ) shutdown current for wide input voltage range boost/SEPIC converters. The 4.5V to 36V input operating voltage range makes these devices ideal in automotive applications such as for front-end “preboost” or “SEPIC” power supplies and for the first boost stage in high-power LED lighting applications. An internal low-dropout regulator (PVL regulator) with a 5V output voltage enables the MAX16990/MAX16992 to operate directly from an automotive battery input. The input operating range can be extended to as low as 2.5V when the converter output is applied to the SUP input.

There are multiple versions of the devices offering one or more of the following functions: a synchronization output (SYNCO) for two-phase operation, an overvoltage protection function using a separate input pin (OVP), and a reference input pin (REFIN) to allow on-the-fly output voltage adjustment.

The MAX16990 and MAX16992 operate in different frequency ranges. All versions can be synchronized to an external master clock using the FSET/SYNC input.

In addition, the MAX16990/MAX16992 have a factory-programmable spread-spectrum option. Both devices are available in compact 12-pin TQFN and 10-pin µMAX® packages.

Applications

  • Automotive Audio/Navigation Systems
  • Automotive LED Lighting
  • Dashboards
Part Models 18
1ku List Price Starting From $1.35

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Apr 27, 2023

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Jan 15, 2015

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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 2

MAX16992EVKIT

Evaluation Kits for the MAX16990 and MAX16992

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MAX16992EVKIT

Evaluation Kits for the MAX16990 and MAX16992

Evaluation Kits for the MAX16990 and MAX16992

Features and Benefits

  • 4.5V (3V in Bootstrapped Mode) Up to 36V Input Voltage Range
  • 8V Up to 2A Output
  • Demonstrates External Clock Synchronization
  • Demonstrates SUP UVLO
  • Demonstrates Cycle-by-Cycle Current Limit and Hiccup Mode
  • Thermal-Shutdown Protection
  • PGOOD Flag
  • Demonstrates Dynamic Adjustable Output
  • Switched Output Option
  • Demonstrates Two Phases of Operation
  • Proven PCB Layout and Thermal Design
  • Fully Assembled and Tested

Product Detail

The MAX16990/MAX16992 evaluation kits (EV kits) are fully assembled and tested PCBs that contain a 16W DC-DC converter for front-end preboost automotive applications. The devices integrate a low-side FET driver and current-mode control-loop circuitry for output-voltage regulation, making them ideal for automotive boost or SEPIC converters. The MAX16990 integrated driver switches at 400kHz, while the MAX16992 integrated driver switches at 2.2MHz using the default configuration. The MAX16990 can be synchronized with an external clock source within the 100kHz to 1MHz range, and the MAX16992 within the 1MHz to 2.5MHz range.
The EV kits operate from a DC supply voltage of 4.5V (3V in bootstrapped mode) up to 36V. The EV kits can withstand a 42V load-dump condition for up to 400ms. Each EV kit demonstrates the device features, such as dynamic adjustable output voltage, external clock synchronization, two-phase operation configurability, cycle-by-cycle current limit, hiccup mode, and thermal shutdown. The boost converter regulates 8V and can supply a current up to 2A. Each EV kit includes an external p-MOSFET (P1) that can be used to disconnect the boost output from the load in a fault condition. The EV kits also demonstrate a reference MAX16990 design for automotive applications.

Applications

  • Automotive Audio/Navigation Systems
  • Automotive LED Lighting
  • Dashboards

MAX16990EVKIT

Evaluation Kits for the MAX16990 and MAX16992

zoom

MAX16990EVKIT

Evaluation Kits for the MAX16990 and MAX16992

Evaluation Kits for the MAX16990 and MAX16992

Features and Benefits

  • 4.5V (3V in Bootstrapped Mode) Up to 36V Input Voltage Range
  • 8V Up to 2A Output
  • Demonstrates External Clock Synchronization
  • Demonstrates SUP UVLO
  • Demonstrates Cycle-by-Cycle Current Limit and Hiccup Mode
  • Thermal-Shutdown Protection
  • PGOOD Flag
  • Demonstrates Dynamic Adjustable Output
  • Switched Output Option
  • Demonstrates Two Phases of Operation
  • Proven PCB Layout and Thermal Design
  • Fully Assembled and Tested

Product Detail

The MAX16990/MAX16992 evaluation kits (EV kits) are fully assembled and tested PCBs that contain a 16W DC-DC converter for front-end preboost automotive applications. The devices integrate a low-side FET driver and current-mode control-loop circuitry for output-voltage regulation, making them ideal for automotive boost or SEPIC converters. The MAX16990 integrated driver switches at 400kHz, while the MAX16992 integrated driver switches at 2.2MHz using the default configuration. The MAX16990 can be synchronized with an external clock source within the 100kHz to 1MHz range, and the MAX16992 within the 1MHz to 2.5MHz range.
The EV kits operate from a DC supply voltage of 4.5V (3V in bootstrapped mode) up to 36V. The EV kits can withstand a 42V load-dump condition for up to 400ms. Each EV kit demonstrates the device features, such as dynamic adjustable output voltage, external clock synchronization, two-phase operation configurability, cycle-by-cycle current limit, hiccup mode, and thermal shutdown. The boost converter regulates 8V and can supply a current up to 2A. Each EV kit includes an external p-MOSFET (P1) that can be used to disconnect the boost output from the load in a fault condition. The EV kits also demonstrate a reference MAX16990 design for automotive applications.

Applications

  • Automotive Audio/Navigation Systems
  • Automotive LED Lighting
  • Dashboards
Tools & Simulations

Tools & Simulations 2

Reference Designs

Reference Designs 4

MAXREFDES1017

Selectable Single-Output SEPIC Converter

zoomopens a dialog

MAXREFDES1017

Selectable Single-Output SEPIC Converter

Selectable Single-Output SEPIC Converter

Features and Benefits

  • Minimized Radio Interference with 2.5MHz Switching Frequency Above the AM Radio Band
  • Space-Efficient Solution Design with Minimized External Components
    • 100kHz to 1MHz Switching-Frequency Range
    • 12-Pin TQFN (3mm × 3mm) and 10-Pin µMAX Packages
  • Spread Spectrum Simplifies EMI Management Design
  • Flexibility with Available Configurations for Boost, SEPIC, and Multiphase Applications
    • Adjustable Slope Compensation
    • Current-Mode Control
    • Internal Soft-Start (9ms)
  • Protection Features Support Robust Automotive Applications
    • Operating Voltage Range Down to 4.5V (2.5V or Lower in Bootstrapped Mode), Immune to Load-Dump Transient Voltages Up to 42V
    • PGOOD Output and Hiccup Mode for Enhanced System Protection
    • Overtemperature Shutdown
    • −40°C to +125°C Operation
View Detailed Reference Design external link

Part Used 1

Design & Integration Tools

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ZIP

2.98 M

MAXREFDES1220

Bootstrapped, 5V/2A, Step-Up DC-DC Converter with 90% Efficiency Using the MAX16990

MAXREFDES1204

Single-Output SEPIC Converter Using MAX16990

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MAXREFDES1204

Single-Output SEPIC Converter Using MAX16990

Single-Output SEPIC Converter Using MAX16990

Features and Benefits

  • Very High Efficiency > 90% for Load > 25%
  • Very Low Line and Load Regulation < 0.02%
  • Output Voltage Ripple < 0.7% at Nominal VIN
  • Overshoot < 2.6% for 50% Step Load
  • Continuous Conduction Mode (CCM) Operation
  • Internal Soft-Start
View Detailed Reference Design external link

Part Used 1

Design & Integration Tools

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ZIP

2.57 M

maxrefdes1210 figure 1

96W, 12V Two-Phase SEPIC Using the MAX16990

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MAXREFDES1210

96W, 12V Two-Phase SEPIC Using the MAX16990

96W, 12V Two-Phase SEPIC Using the MAX16990

Features and Benefits

Space-Efficient Solution Design with Minimized External Components

  • 100kHz to 1MHz Switching-Frequency Ranges
  • 12-Pin TQFN (3mm x 3mm) and 10-Pin μMAX Packages

Spread Spectrum Simplifies EMI Management Design

Flexibility with Available Configurations for Boost, SEPIC, and Multiphase Applications

  • Adjustable Slope Compensation
  • Current-Mode Control
  • Internal Soft-Start (9ms)

Protection Features Support Robust Automotive Applications

  • Operating Voltage Range down to 4.5V (2.5V or Lower in Bootstrapped Mode), Immune to Load- Dump Transient Voltages up to 42V
  • PGOOD Output and Hiccup Mode for Enhanced System Protection
  • Overtemperature Shutdown
  • -40°C to +125°C Operation
View Detailed Reference Design external link

Part Used 1

Design & Integration Tools

pdf icon

ZIP

1.28 M

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