EVALUATION KIT AVAILABLE MAX14588 1A Adjustable Overcurrent and Overvoltage Protector with High Accuracy General Description Benefits and Features Industrial Power Protection Increases Robustness The MAX14588 adjustable overvoltage and overcurrent Wide Input Supply Range: +4.5V to +36V protection device is ideal for protecting systems against Negative Input Tolerance to -36V positive and negative input voltage faults up to 40V, and Low R 190m (typ) feature low 190m (typ) R integrated FETs. ON ON Reverse Current Flow Control Input The adjustable overvoltage range is between 6V and 36V, Thermal Overload Protection while the adjustable undervoltage range is between 4.5V Extended -40C to +125C Temperature Range and 24V. The overvoltage lockout (OVLO) and undervoltage lockout (UVLO) thresholds are set using optional external Flexible Design Options Eases Designs resistors. The factory preset internal OVLO threshold is 33V Adjustable OVLO and UVLO Thresholds (typ), and the preset internal UVLO threshold is 19V (typ). Programmable Forward-Current Limit: 0.15A to 1A Programmable Overcurrent Fault Response: The MAX14588 also features programmable current-limit Autoretry, Latch-Off, and Continuous protection up to 1A. The device can be set for autoretry, latch-off, or continuous fault response when an overcur- Dual Enable Inputs: EN and High Voltage HVEN rent event occurs. Once current reaches the threshold, the Saves Space MAX14588 turns off after 21ms (typ) blanking time, and 16-Pin, 3mm x 3mm, TQFN Package stays off during the retry period when set to autoretry mode. The device latches off after the blanking time when set to Applications latch-off mode. The device limits the current continuously Sensor Systems when set to continuous mode. The MAX14588 also features Condition Monitoring reverse current and thermal shutdown protection. Factory Sensors The MAX14588 is available in a small, 16-pin (3mm x 3mm) Process Analytics TQFN package. The MAX14588 operates over the -40C to Process Instrumentation +125C extended temperature range. Weighing and Batching Systems Ordering Information appears at end of data sheet. Typical Application Circuit V POWER IN OUT 0.47F 4.7F IN OUT RIEN EN 100k R3 R1 SYSTEM V IO SYSTEM MAX14588 POWER SUPPLY OPTIONAL FOR HVEN HIGH INPUT UVLO FLAG SURGE OVLO CLHS APPLICATIONS GND CLTS1 SETI CLTS2 R4 R2 CLTS MODE HVEN GND 19-6551 Rev 1 6/16MAX14588 1A Adjustable Overcurrent and Overvoltage Protector with High Accuracy Absolute Maximum Ratings (All voltages referenced to GND.) I (DC Operating)(Note 1) ...................................................1.0A IN IN to GND ...............................................................-40V to +40V Continuous Power Dissipation (T = +70C) A IN to OUT ...............................................................-40V to +40V TQFN (derate 20.8mW/C above +70C) ...................1667mW OUT .......................................................................-0.3V to +40V Operating Temperature Range ..........................-40C to +125C HVEN......................................................................-40V to +40V Maximum Junction Temperature .....................................+150C OVLO, UVLO, FLAG, EN, RIEN, Storage Temperature Range .............................-65C to +150C CLTS1, CLTS2, CLTS MODE .............................-0.3V to +6V Lead Temperature (soldering, 10s) .................................+300C SETI............................................ -0.3V to min(V , 1.22V)+0.3V Soldering Temperature (reflow) .......................................+260C IN CLHS ............................................... -0.3V to min(V , 5V)+0.3V IN Note 1: DC current is also limited by the thermal design of the system. Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. (Note 2) Package Thermal Characteristics TQFN Junction-to-Ambient Thermal Resistance ( ) ............48C/W Junction-to-Case Thermal Resistance ( ) .................10C/W JA JC Note 2: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial. Electrical Characteristics (V = 4.5V to 36V, T = -40C to +125C, unless otherwise noted. Typical values are at V = 24V, R = 12k, T = +25C.) (Note 3) IN A IN SETI A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS IN Voltage V 4.5 36 V IN Shutdown IN Current I V = 0V, V = 5V 6.6 16 A SHDN EN HVEN V = 0V, V = 5V, EN HVEN Shutdown OUT Current I 0.1 2 A OFF V = 0V OUT Reverse IN Current I V = -40V, V = V = 0V -35 -21 A IN RVS IN OUT GND Supply Current I V = 15V, V = 0V 530 800 A IN IN HVEN V rising 32 33 34.3 IN Internal Overvoltage Trip Level V V OVLO V falling 30.3 32 33.7 IN V falling 17.5 18.5 19.5 IN Internal Undervoltage Trip Level V V UVLO V rising 18.2 19.2 20.2 IN Overvoltage Lockout Hysteresis % of typical OVLO 3 % External OVLO Adjustment (Note 4) 6 36 V Range External OVLO Select Threshold V 0.3 0.4 0.5 V SEL OVLO Voltage External OVLO Leakage I V < 1.2V -100 +100 nA OVLO LEAK OVLO External UVLO Adjustment (Note 4) 4.5 24 V Range External UVLO Select Threshold V 0.3 0.4 0.5 V SEL UVLO Voltage Maxim Integrated 2 www.maximintegrated.com