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MAX14588ETE+T Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX14588ETE+T Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 15 page MAX14588 1A Adjustable Overcurrent and Overvoltage Protector with High Accuracy General Description The MAX14588 adjustable overvoltage and overcurrent protection device is ideal for protecting systems against positive and negative input voltage faults up to ±40V, and feature low 190mΩ (typ) RON integrated FETs. The adjustable overvoltage range is between 6V and 36V, while the adjustable undervoltage range is between 4.5V and 24V. The overvoltage lockout (OVLO) and undervoltage lockout (UVLO) thresholds are set using optional external resistors. The factory preset internal OVLO threshold is 33V (typ), and the preset internal UVLO threshold is 19V (typ). The MAX14588 also features programmable current-limit protection up to 1A. The device can be set for autoretry, latch-off, or continuous fault response when an overcur- rent event occurs. Once current reaches the threshold, the MAX14588 turns off after 21ms (typ) blanking time, and stays off during the retry period when set to autoretry mode. The device latches off after the blanking time when set to latch-off mode. The device limits the current continuously when set to continuous mode. The MAX14588 also features reverse current and thermal shutdown protection. The MAX14588 is available in a small, 16-pin (3mm x 3mm) TQFN package. The MAX14588 operates over the -40°C to +125°C extended temperature range. Benefits and Features ● Robust Industrial Power Protection • Wide Input Supply Range: +4.5V to +36V • Negative Input Tolerance to -36V • Low RON 190mΩ (typ) • Reverse Current Flow Control Input • Thermal Overload Protection • Extended -40ºC to +125ºC Temperature Range ● Flexible Design Options • Adjustable OVLO and UVLO Thresholds • Programmable Forward-Current Limit: 0.15A to 1A • Programmable Overcurrent Fault Response: Autoretry, Latch-Off, and Continuous • Dual Enable Inputs: EN and High Voltage HVEN ● Saves Space • 16-Pin, 3mm x 3mm, TQFN Package Applications ● Sensor Systems ● Condition Monitoring ● Factory Sensors ● Process Analytics ● Process Instrumentation ● Weighing and Batching Systems 19-6551; Rev 0; 12/12 Ordering Information appears at end of data sheet. For related parts and recommended products to use with this part, refer to www.maximintegrated.com/MAX14588.related. Typical Application Circuit EVALUATION KIT AVAILABLE IN IN UVLO OVLO SETI OUT OUT VIO EN CLHS CLTS1 CLTS2 CLTS_MODE GND GND HVEN R1 R2 R4 R3 SYSTEM POWER SUPPLY OPTIONAL FOR HIGH INPUT SURGE APPLICATIONS SYSTEM VPOWER 0.47µF RIEN 4.7µF FLAG HVEN MAX14588 100kΩ |
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