LM5022-Q1

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6-60V Wide Vin, current mode boost, SEPIC and Flyback controller, AEC-Q100 qualified

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Product details

Parameters

Vin (Min) (V) 3 Vin (Max) (V) 60 Vout (Min) (V) 1.25 Vout (Max) (V) 300 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 200 Switching frequency (Max) (kHz) 2200 Iq (Typ) (mA) 3.5 Features Enable, Frequency Synchronization, UVLO Adjustable Duty cycle (Max) (%) 90 Rating Automotive Operating temperature range (C) -40 to 125 open-in-new Find other Boost controllers (external switch)

Package | Pins | Size

VSSOP (DGS) 10 9 mm² 3 x 3 open-in-new Find other Boost controllers (external switch)

Features

  • AEC-Q100 Grade 1 Qualified with the following results:
    • Device Temperature Grade 1: -40°C to 125°C
      Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C5
  • Internal 60-V Start-Up Regulator
  • 1-A Peak MOSFET Gate Driver
  • VIN Range: 6 V to 60 V
    (operate down to 3 V after startup)
  • Duty Cycle Limit of 90%
  • Programmable UVLO with Hysteresis
  • Cycle-by-Cycle Current Limit
  • Single Resistor Oscillator Frequency Set
  • Adjustable Switching Frequency to 2.2MHz
  • External Clock Synchronization
  • Slope Compensation
  • Adjustable Soft Start
  • 10-Pin VSSOP Package
open-in-new Find other Boost controllers (external switch)

Description

The LM5022-Q1 is a high voltage low-side N-channel MOSFET controller ideal for use in boost and SEPIC regulators. It contains all of the features needed to implement single-ended primary topologies. Output voltage regulation is based on current-mode control, which eases the design of loop compensation while providing inherent input voltage feed-forward. The LM5022-Q1 includes a start-up regulator that operates over a wide input range of 6 V to 60 V. The PWM controller is designed for high-speed capability including an oscillator frequency range up to 2.2 MHz and total propagation delays less than 100 ns. Additional features include an error amplifier, precision reference, line undervoltage lockout, cycle-by-cycle current limit, slope compensation, soft-start, external synchronization capability, and thermal shutdown. The LM5022-Q1 is available in the 10-pin VSSOP package.

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Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 2
Type Title Date
* Datasheet LM5022-Q1 2.2MHz, 60 V Low-Side Controller For Boost and SEPIC datasheet Mar. 10, 2016
Technical articles How to add overvoltage protection to a synchronous boost controller Sep. 17, 2018

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Design tools & simulation

SIMULATION MODEL Download
SNVM336B.ZIP (168 KB) - PSpice Model
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SNVM337A.ZIP (58 KB) - PSpice Model
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SNVM447A.TSC (3359 KB) - TINA-TI Reference Design
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SNVM448A.ZIP (9 KB) - TINA-TI Spice Model
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SNVM449.TSC (144 KB) - TINA-TI Reference Design
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SNVM450.TSC (144 KB) - TINA-TI Reference Design
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SNVM451A.ZIP (12 KB) - TINA-TI Spice Model
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SNVMAF6B.ZIP (4 KB) - PSpice Model
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SNVMAF7A.ZIP (1 KB) - PSpice Model
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Reference designs

REFERENCE DESIGNS Download
Adjustable output voltage, 200-W SEPIC power supply reference design
PMP22270 — This 200-W SEPIC converter reference design supplies a non-isolated adjustable 5-V to 200-V output voltage with a maximum output current of 4 A. Output voltage is set using a 0% to 100% duty-cycle, pulse-width-modulation (PWM) input.
document-generic Schematic
REFERENCE DESIGNS Download
60-W, Ultra-wide range power supply reference design
PMP21783 — This reference design provides a 12-Vdc, 5-Vdc, and 3.3-Vdc output from an ultra-wide range of both AC and DC inputs. A universal 85 to 265-Vac input can be applied to the input of the quasi-resonant flyback. For DC inputs ranging from 24 to 150-Vdc, a boost creates a 150-V bus voltage that is fed (...)
document-generic Schematic
REFERENCE DESIGNS Download
400-V DC link capacitor pre-charger reference design for automotive HEV/EV applications
PMP21735 — This reference design is an automotive electric vehicle capacitor pre-charger power solution. The design is powered from the 12 V battery to charge a 4 mF capacitor bank to 400 V in 2 seconds. The design uses an isolated flyback controller operating at a switching frequency of 100 kHz. The initial (...)
document-generic Schematic
REFERENCE DESIGNS Download
Compact isolated DC/DC flyback reference design
PMP22021 — This reference design uses LM5022-Q1 to make an isolated 3.3-V output capable of 1.1-A from a 9-V to 15-V input. All components are placed on one side of the board to reduce assembly complexity and cost. A secondary filter reduces the output ripple to under 30-mV peak-to-peak. The design can achieve (...)
document-generic Schematic
REFERENCE DESIGNS Download
11W Automotive LED Lighting Driver Reference Design
PMP20305 — PMP20305 is an LED driver circuit reference design using the LM5022-Q1 boost controller IC and two types of constant-current methods to drive 4 strings of LEDs. Two of the LED strings utilize the TL431 voltage reference as a driver to perform a constant current source, while the other two (...)
document-generic Schematic
REFERENCE DESIGNS Download
Automotive Discrete SBC Pre-Boost, Post-Buck With CAN Reference Design
TIDA-01429 The TIDA-01429 reference design implements a wideinput voltage boost controller, followed by a wide input voltage buck converter set to 5.0 V. The 5.0 V supply is used for powering a Controller Area Network (CAN) transceiver and a compact fixed 3.3 V linear drop-out (LDO) regulator for supplying the (...)
document-generic Schematic
REFERENCE DESIGNS Download
Automotive 10-V/80-V Ultra-Wide Vin, 12-V Vout Flyback Reference Design for 48-V Car Battery
TIDA-01344 — The TIDA-01344 reference design is a 24W, automotive 48V battery front-end power supply that generates 12V from a wide input range of 10V to 80V DC, up to 100V transient for LV148 standard compliance. The system consists of EMI filters for CISPR 25 compliance and circuit protection for clamping high (...)
document-generic Schematic
REFERENCE DESIGNS Download
4.5V-60V Input Voltage SEPIC Converter (6.5V@2.5A) Reference Design
PMP20128 — This 6.5V @ 2.5A SEPIC converter is designed to operate over a very wide input voltage range. After initial power up at 6V input, the converter can operate down to 4.5V input by implementing a voltage doubler for to provide bias power. It requires minimal component count, a small PCB area and offers (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
VSSOP (DGS) 10 View options

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