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LM5060-Q1

ACTIVE

Automotive 5.5-V to 65-V high side protection controller

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Data sheet

LM5060-Q1

ACTIVE
Data sheet Order now

Product details

FET External Vin (Min) (V) 5.5 Vin (Max) (V) 65 Vabsmax_cont (V) 75 Current limit (Min) (A) 0.01 Current limit (Max) (A) 500 Overcurrent response Current limiting, Circuit breaker Fault response Latch Off UL recognition —
FET External Vin (Min) (V) 5.5 Vin (Max) (V) 65 Vabsmax_cont (V) 75 Current limit (Min) (A) 0.01 Current limit (Max) (A) 500 Overcurrent response Current limiting, Circuit breaker Fault response Latch Off UL recognition —
VSSOP (DGS) 10 9 mm² 3 x 3
  • Available in Automotive Grade / AEC Q-100
  • Wide operating input voltage range:
    5.5 V to 65 V
  • Functional safety capable
    • Documentation available to aid functional safety system design
  • Less than 15-µA quiescent current in disabled mode
  • Controlled output rise time for safe connection of capacitive loads
  • Charge pump gate driver for external N-Channel MOSFET
  • Adjustable Undervoltage Lockout (UVLO) with hysteresis
  • UVLO Serves as second enable input for systems requiring safety redundancy
  • Programmable fault detection delay time
  • MOSFET latched off after load fault is detected
  • Active low open drain POWER GOOD (nPGD) output
  • Adjustable input Overvoltage Protection (OVP)
  • Immediate restart after overvoltage shutdown
  • 10-Lead VSSOP
  • Available in Automotive Grade / AEC Q-100
  • Wide operating input voltage range:
    5.5 V to 65 V
  • Functional safety capable
    • Documentation available to aid functional safety system design
  • Less than 15-µA quiescent current in disabled mode
  • Controlled output rise time for safe connection of capacitive loads
  • Charge pump gate driver for external N-Channel MOSFET
  • Adjustable Undervoltage Lockout (UVLO) with hysteresis
  • UVLO Serves as second enable input for systems requiring safety redundancy
  • Programmable fault detection delay time
  • MOSFET latched off after load fault is detected
  • Active low open drain POWER GOOD (nPGD) output
  • Adjustable input Overvoltage Protection (OVP)
  • Immediate restart after overvoltage shutdown
  • 10-Lead VSSOP

The LM5060 high-side protection controller provides intelligent control of a high-side N-channel MOSFET during normal on/off transitions and fault conditions. In-rush current is controlled by the nearly constant rise time of the output voltage. A POWER GOOD output indicates when the output voltage reaches the input voltage and the MOSFET is fully on. Input UVLO (with hysteresis) is provided as well as programmable input OVP. An enable input provides remote on or off control. The programmable UVLO input can be used as second enable input for safety redundancy. A single capacitor programs the initial start-up VGS fault detection delay time, the transition VDS fault detection delay time, and the continuous over-current VDS fault detection delay time. When a detected fault condition persists longer than the allowed fault delay time, the MOSFET is latched off until either the enable input or the UVLO input is toggled low and then high.

The LM5060 high-side protection controller provides intelligent control of a high-side N-channel MOSFET during normal on/off transitions and fault conditions. In-rush current is controlled by the nearly constant rise time of the output voltage. A POWER GOOD output indicates when the output voltage reaches the input voltage and the MOSFET is fully on. Input UVLO (with hysteresis) is provided as well as programmable input OVP. An enable input provides remote on or off control. The programmable UVLO input can be used as second enable input for safety redundancy. A single capacitor programs the initial start-up VGS fault detection delay time, the transition VDS fault detection delay time, and the continuous over-current VDS fault detection delay time. When a detected fault condition persists longer than the allowed fault delay time, the MOSFET is latched off until either the enable input or the UVLO input is toggled low and then high.
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Technical documentation

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Type Title Date
* Data sheet LM5060 High-Side Protection Controller With Low Quiescent Current datasheet (Rev. H) 25 Jan 2019
Technical article Monitoring 12-V automotive battery systems: Load-dump, cold-crank and false-reset management 24 Mar 2021
White paper Streamlining Functional Safety Certification in Automotive and Industrial 09 Jun 2020
White paper 簡化汽車及工業領域的功 能安全認證 09 Jun 2020
White paper 자동차 및 산업 분야의 기능적 안전성 인증 간소화 09 Jun 2020
Functional safety information LM5060-Q1 Functional Safety FIT Rate and Failure Mode Distribution 16 Dec 2019
E-book 11 Ways to Protect Your Power Path white paper 03 Jul 2019
User guide AN-2000 LM5060EVAL Evaluation Board (Rev. C) 06 May 2013

Design & development

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

Evaluation board

LM5060EVAL — Evaluation Board for the LM5060

The LM5060 evaluation board is designed to demonstrate the capabilities of the LM5060 high side protection controller with low quiescent current. It is intended for evaluation of the functions of the LM5060. One high side N-channel power MOSFET is used. The evaluation board is designed to highlight (...)

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Simulation model

LM5060 Unencrypted PSpice Transient Model Package (Rev. B)

SLIM321B.ZIP (77 KB) - PSpice Model
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Simulation model

LM5060 TINA-TI Reference Design (Rev. A)

SNVMA08A.TSC (153 KB) - TINA-TI Reference Design
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Simulation model

LM5060 TINA-TI Transient Spice Model (Rev. A)

SNVMA09A.ZIP (26 KB) - TINA-TI Spice Model
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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Calculation tool

LM5060 Design Calculator (Rev. C)

SLVC667C.ZIP (599 KB)
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Reference designs

TIDA-01168 — Bidirectional DC/DC Converter Reference Design for 12-V/48-V Automotive Systems

The TIDA-01168 reference design is a four-phase, bidirectional DC-DC converter development platform for 12-V/48-V automotive systems. The system uses two LM5170-Q1 current controllers and a TMS320F28027F microcontroller (MCU) for the power stage control. LM5170-Q1 subsystems use average current (...)
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Reference designs

PMP22396 — 2460-W bidirectional boost converter reference design for automotive applications

This reference design is a 2460-W bidirectional boost converter for automotive applications. The circuit is powered from the nominal 12-V battery to provide an output voltage of 48 V at 51.25 A. The design uses two dual-phase synchronous bidirectional controllers operating at a switching frequency (...)
document-pdfAcrobat Schematic
Reference designs

PMP10748 — Complete Front End Automotive Reverse Polarity and Series Fault Protection Reference Design

The PMP10748 is a complete automotive front end protection TIDesign that highlights TI's zero IQ Smart Diode Controller and High-Side Protection Controller. This design uses two LM74610-Q1 IC's to drive 40V MOSFETs in OR-ing Configuration for reverse polarity protection. The LM74610-Q1 is highly (...)
document-pdfAcrobat Schematic
Reference designs

TIDA-00281 — Automotive 48-V, 1-kW Motor Drive Reference Design

TIDA-00281 is a 3-phase brushless DC (BLDC) motor drive designed to operate in 48-V automotive applications. The board is designed to drive motors in the 1-kW range and can handle currents up to 30 A. The design includes analog circuits working in conjunction with a C2000 LaunchPad to spin a (...)
document-pdfAcrobat Schematic
Reference designs

TIDA-01167 — Automotive 12-V/24-V Battery Input Protection Reference Design

Automotive battery power supply lines are prone to transients while running the system. Typical protections required are overvoltage, overload, reverse polarity and jump start. During the life of a vehicle, the alternator may be replaced with a non-OEM part. The after-market alternator may (...)
document-pdfAcrobat Schematic
Reference designs

TIDA-00282 — Automotive Digitally Controlled Boost Power Supply

This TI reference design is an automotive voltage boost converter module. The purpose of this module is to supply a steady voltage to vehicle electronics by boosting during voltage droop events such as engine crank. The design is based on the C2000 Real-Time Microcontroller, and will provide up to (...)
document-pdfAcrobat Schematic
document-pdfAcrobat User guide
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