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System power protection ICs prevent field failures and unexpected downtime by mitigating the harmful effects of reverse voltage, hot swap, overvoltage, overcurrent, and overtemperature fault conditions frequently encountered in industrial, medical, e-mobility, and other environments.

Our complete system protection ICs integrate back-to-back MOSFETs for robust protection with nanosecond response times. Our robust, compact solutions feature:

  • Inrush current limit
  • e-Fuse/overload limit
  • Reverse voltage
  • Power limit
  • Thermally controlled current foldback
  • Current monitoring


Power Protection Fundamentals
27:22 April 22, 2019


How to Add Overvoltage and Overcurrent Protection Using the MAX17561—Part I
5:15 September 17, 2018


How to Add Overvoltage and Overcurrent Protection Using the MAX17561—Part II
5:35 September 18, 2018

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System Power Protection ICs Selector Guide

Max Current
Limit
VIN Product Features Pin-Package/Size IC EV Kit
250mA 4.5V to 60V MAX17612A
MAX17612B
MAX17612C
Current-Limiter with OV, UV,
and Reverse Protection
10-TDFN-EP
3mm x 3mm
Buy
Buy
Buy
Buy
Buy
Buy
1A 4.5V to 36V MAX17523 Current-Limiter with OV, UV,
and Reverse Protection
16-TQFN
3mm x 3mm
Buy Buy
4.5V to 60V MAX17608
MAX17609
MAX17610
Current-Limiter with OV, UV,
and Reverse Protection
12-TDFN-EP
3mm x 3mm
Buy
Buy
Buy
Buy
Buy
Buy
2A 5.5V to 60V MAX14721
MAX14722
MAX14723
Current-Limiter with OV, UV,
and Reverse Protection
20-TQFN
5mm x 5mm
Buy
Buy
Buy
Buy
3A 4.5V to 60V MAX17613A
MAX17613B
MAX17613C
Current-Limiter with OV, UV,
and Reverse Protection
20-TQFN-EP
4mm x 4mm
Buy
Buy
Buy
Buy
Buy
Buy
4.2A 4.5V to 36V MAX17561
MAX17562
MAX17563
Current-Limiter with OV, UV,
and Reverse Protection
14-TSSOP
5mm x 6.5mm
Buy
Buy
Buy
Buy
6A 5.5V to 60V MAX17525 Current-Limiter with OV, UV,
Reverse Protection, and Power Limit
with External P-FET
20-TQFN
5mm x 5mm
Buy Buy
5.5V to 60V MAX17526A Current-Limiter with OV, UV,
Reverse Protection, and Power Limit
with External N-FET
20-TQFN
5mm x 5mm
Buy Buy

Featured Products

Featured Designs

MAX16141AEVKIT Evaluation Kit for the MAX16141A

The MAX16141A evaluation kit (EV kit) is a complete, fully assembled, and tested ideal diode con...
  • 8.6V Undervoltage Threshold and 36.2V Overvoltage Threshold
  • Optional TVS Footprint Facilitates Automotive Transients Testing
  • Output Short Circuit Protection
  • Proven 2-Layer 2oz Copper PCB Layout
  • Demonstrates Compact Solution Size
  • Fully Assembled and Tested

MAX16171EVKIT Evaluation Kit for the MAX16171

The MAX16171 EV kit is designed to evaluate the MAX16171, an ideal diode controller that protect...
  • 4V to 57V Operating Voltage Range
  • Shutdown Mode Jumper
  • -40°C to +125°C Temperature Range
  • Lead(Pb)-Free and RoHS Compliant
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX20084EVSYS Evaluation Kit for the MAX20084

The MAX20084 evaluation kit (EV kit) is a fully assembled and tested surface-mount PCB used to e...
  • 4.5V to 28V Wide Input Voltage Range (40V Load-Dump Tolerant)
  • 2-Channel LDO/Switch
    • Adjustable Output Voltage using I2C
  • Output Current Monitoring
    • Analog Output
    • I2C ADC
  • Open-Drain Fault Indicator
  • High-Voltage Enable Control Input (EN)
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX17523EVKIT Evaluation Kit for the MAX17523

The MAX17523 evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstr...
  • 4.5V to 36V Operating Voltage Range
  • Features TVS Diode and Schottky Diode
  • Evaluates Three Current-Limit Types, Current-Limit Threshold, OVLO, and UVLO
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX15162TLEVKIT Evaluation Kit for the MAX15162

The MAX15162ATG evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit bo...
  • 8V to 60V Wide Input Voltage Range
  • Integrated Dual-Power MOSFET with Turn-on Resistance 200mΩ
  • Dual-Channel Independent or Parallel Mode Configuration
  • Undervoltage Lockout
  • Enable Input for Individual Channel
  • Constant Power Control at Startup
  • Startup Watchdog Timer
  • Startup IN-to-OUT Short Protection
  • Over-current and Overtemperature Fault Status Indication on Individual Channel
  • ±3% Accuracy Current Reporting on Individual Channel
  • Multi-Level Overcurrent Limit Protection
  • Programmable Current Limit Level
  • Programmable Overcurrent Shutdown Delay Time
  • Latch in a Fault Event (MAX15162ATG+)
  • Auto-Retry in a Fault Event with Programmable Auto-Retry Time (MAX15162AATG+)
  • Built-In Thermal Shutdown Protection
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX15162TAEVKIT Evaluation Kit for the MAX15162

The MAX15162ATG evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit bo...
  • 8V to 60V Wide Input Voltage Range
  • Integrated Dual-Power MOSFET with Turn-on Resistance 200mΩ
  • Dual-Channel Independent or Parallel Mode Configuration
  • Undervoltage Lockout
  • Enable Input for Individual Channel
  • Constant Power Control at Startup
  • Startup Watchdog Timer
  • Startup IN-to-OUT Short Protection
  • Over-current and Overtemperature Fault Status Indication on Individual Channel
  • ±3% Accuracy Current Reporting on Individual Channel
  • Multi-Level Overcurrent Limit Protection
  • Programmable Current Limit Level
  • Programmable Overcurrent Shutdown Delay Time
  • Latch in a Fault Event (MAX15162ATG+)
  • Auto-Retry in a Fault Event with Programmable Auto-Retry Time (MAX15162AATG+)
  • Built-In Thermal Shutdown Protection
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX16545BEVKIT120 Evaluation Kit for the MAX16545B/MAX16545C and MAX16543

This evaluation kit (EV kit) serves as a reference for evaluating Maxim’s MAX16545B/MAX16545C in...
  • 12V Nominal Operating Voltage
  • Up to 120A Load Current Capability
  • Resistor-Configurable Overcurrent Threshold
  • Resistor-Configurable Undervoltage Lockout
  • Power-Good Output
  • PMBus Configuration, Control, and Monitoring

MAX20328AEVKIT Evaluation Kit for the MAX20328/MAX20328A/MAX20328B

The MAX20328A evaluation kit (EV kit) is a fully assembled and tested circuit for evaluating the...
  • Automatic MIC/GND Orientation Detection
    • MIC Line Bias Check Safeguards Against Shorting MIC to GND
  • 3.5mm Audio Jack for Testing with Audio Signals
  • Onboard USB Receptacles for Passing and Measuring Data Signals
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX20333EVKIT Evaluation Kit for the MAX20333, MAX2033A, MAX20333B, MAX20333C, MAX20333D, MAX20333E, MAX20333F, MAX20333G, MAX20333H, MAX20333I, MAX20333J, MAX20333K, MAX20333L, MAX20333M, MAX20333N

The MAX20333 evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstr...
  • 3.5V to 22V Operating Voltage Range (3.3V to 22V for MAX20333L/M/N)
  • Output and Flag LED Reading
  • Adjustable Current Limit Setting
  • Adjustable Blanking Time (PBT version)
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX20334EVKIT Evaluation Kit for the MAX20334

The MAX20334 evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstr...
  • 2.7V to 5.5V Operating Voltage Range
  • No Power Supply Needed Testing
  • Power and Active-Low FLAG LED Reading
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX17613BEVKIT Evaluation Kit for the MAX17613B 4.5V to 60V, 3A, OV, UV Protector with Forward Current Limit

The MAX17613BEVKIT# evaluation kit (EV kit) is a fully assembled and tested circuit board that d...
  • 4.5V to 40V Operating Voltage Range (Remove the TVS Diode to Extend the Operating Voltage Range up to 60V)
  • Features a 40V TVS Diode (D1) across the Input and Schottky Diode across the Output Terminals
  • Evaluates Undervoltage-Lockout (UVLO), Overvoltage-Lockout (OVLO), Three Current-Limit Types, and Current-Limit Threshold
  • UVLO Programmed to 4.5V
  • OVLO Programmed to 36V
  • Jumper-Configurable Current-Limit
  • Jumper-Configurable Current-Limit Type
  • Programmable Startup Blanking Time
  • Features Fault Indication Signals (Active-Low UVOV, Active-Low FLAG)
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX17613AEVKIT Evaluation Kit for the MAX17613A 4.5V to 60V, 3A Current-Limiter with OV, UV and Reverse Protection

The MAX17613AEVKIT# evaluation kit (EV kit) is a fully assembled and tested circuit board that d...
  • 4.5V to 40V Operating Voltage Range (Remove the TVS Diode to Extend the Operating Voltage Range up to 60V)
  • Features a 40V TVS Diode (D1) across the Input and Schottky Diode across the Output Terminals
  • Evaluates Undervoltage-Lockout (UVLO), Overvoltage-Lockout (OVLO), Three Current-Limit Types, and Current-Limit Threshold
  • UVLO Programmed to 4.5V
  • OVLO Programmed to 36V
  • Jumper-Configurable Current-Limit
  • Jumper-Configurable Current-Limit Type
  • Programmable Startup Blanking Time
  • Features Fault Indication Signals (Activ-Low UVOV, Acrive-Low FLAG)
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX17613CEVKIT Evaluation Kit for the MAX17613C 4.5V to 60V, 3A, Reverse-Voltage Protector with Forward Current Limit

The MAX17613CEVKIT# evaluation kit (EV kit) is a fully assembled and tested circuit board that d...
  • 4.5V to 40V Operating Voltage Range (Remove the TVS Diode to Extend the Operating Voltage Range up to 60V)
  • Features a 40V TVS Diode (D1) across the Input and Schottky Diode across the Output Terminals
  • Evaluates Three Current-Limit Types and Current-Limit Threshold
  • Jumper-Configurable Current-Limit
  • Jumper-Configurable Current-Limit Type
  • Programmable Startup Blanking Time
  • Features Fault Indication Signals (Active-Low FWD, Active-Low REV)
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX20330AEVKIT Evaluation Kit for the MAX20330A

The MAX20330A evaluation kit (EV kit) is a fully assembled and tested circuit board that demonst...
  • USB or 3.5mm Jack ID Detection
  • Factory Mode Detection
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX20331EVKIT Evaluation Kit for the MAX20331/MAX20331A

The MAX20331 evaluation kit (EV kit) is a fully assembled and tested circuit board that demonstr...
  • 3.5mm Jack Audio Line Protection
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX20084EVKIT Evaluation Kit for the MAX20084

The MAX20084 evaluation kit (EV kit) is a fully assembled and tested surface-mount PCB used to e...
  • 4.5V to 28V Wide Input Voltage Range (40V Load-Dump Tolerant)
  • 2-Channel LDO/Switch
    • Adjustable Output Voltage using I2C
  • Output Current Monitoring
    • Analog Output
    • I2C ADC
  • Open-Drain Fault Indicator
  • High-Voltage Enable Control Input (EN)
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX17612AEVKIT Evaluation Kit for the MAX17612A 4.5V to 60V, 250mA, Current-Limiter with OV, UV, and Reverse Protection

The MAX17612A evaluation kit (EV kit) is a fully assembled and tested circuit board that demonst...
  • 4.5V to 60V Operating-Voltage Range
  • Features a TVS Diode across the Input and Schottky Diode across the Output Terminals
  • Evaluates UVLO, OVLO, Three Current-Limit Types, and Current-Limit Threshold
  • UVLO programmed to 4.5V
  • OVLO programmed to 36V
  • Jumper-Configurable Current-Limit (Selected as 250mA by Default)
  • Current-Limit Mode Set To Autoretry by default
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX17612BEVKIT Evaluation Kit for the MAX17612B 4.5V to 60V, 250mA, Current-Limiter with OV, UV Protection

The MAX17612B evaluation kit (EV kit) is a fully assembled and tested circuit board that demonst...
  • 4.5V to 60V Operating-Voltage Range
  • Features a TVS Diode across the Input and Schottky Diode across the Output Terminals
  • Evaluates UVLO, OVLO, Three Current-Limit Types, and Current-Limit Threshold
  • UVLO programmed to 4.5V
  • OVLO programmed to 36V
  • Jumper-Configurable Current-Limit (Selected as 250mA by Default)
  • Current-Limit Mode Set To Autoretry by default
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX17612CEVKIT Evaluation Kit for the MAX17612C 4.5V to 60V, 250mA, Current-Limiter with Reverse Protection

The MAX17612C evaluation kit (EV kit) is a fully assembled and tested circuit board that demonst...
  • 4.5V to 60V Operating-Voltage Range
  • Features a TVS Diode across the Input and Schottky Diode across the Output Terminals
  • Evaluates three Current-Limit Types, and Current- Limit Threshold
  • Internal UVLO set to 4.2V
  • Jumper-Configurable Current-Limit (Selected as 250mA by Default)
  • Current-Limit Mode Set To Autoretry by default
  • Proven PCB Layout
  • Fully Assembled and Tested

MAX17526AEVKIT Evaluation Kit for the MAX17526A - 5.5V to 60V, 6A Current Limiter with OV, UV, Reverse Protection, and Power Limit

The MAX17526A evaluation kit (EV kit) is a fully assembled and tested circuit board that demonst...
  • 5.5V to 60V Wide Input Voltage Range
  • Features a TVS Diode across the Input and Schottky Diode across the Output Terminals
  • External NMOSFET Installed
  • Evaluates UVLO, OVLO, Three Current-Limit Types, and Current-Limit Threshold
  • Programmable Input Overvoltage Setting up to 40V
  • Demonstrates Internal UVLO programmed to 12.8V
  • Demonstrates Internal OVLO programmed to 36.2V
  • Active Power Limit to Protect Supply or Load
  • Proven PCB Layout
  • Fully Assembled and Tested